%3Cp%20align%3D%22justify%22%20class%3D%22DKKeswick%22%3EPetit%20extrait%20tout%20%E0%20fait%20passionnant%26nbsp%3B%21%3C%2Fp%3E
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Relativité restreinte : Nicolas Prantzos : "La dilatation du temps se ressent seulement à des vitesses proches de la lumière" |
%3Cp%20align%3D%22justify%22%20class%3D%22chalk%22%3E%3Cspan%20style%3D%22color%3A%23ffff66%3B%22%3ESOMMAIRE%26nbsp%3B%3A%3C%2Fspan%3E%3Cbr%3E%0D%0A%3Cbr%3E%0D%0ALes%20%E9toiles%20les%20plus%20puissantes%20de%20l%27univers%3Cbr%3E%0D%0ALa%20mort%20tragique%20des%20%E9toiles%3Cbr%3E%0D%0AL%27explosion%20des%20%E9toiles%20les%20plus%20puissantes%20de%20l%27univers%3Cbr%3E%0D%0A%3Cbr%3E%0D%0A%3Cbr%3E%0D%0A%3Cspan%20style%3D%22color%3A%23ffff66%3B%22%3ECHAPITRES%26nbsp%3B%3A%3C%2Fspan%3E%3Cbr%3E%0D%0A%3Cbr%3E%0D%0A00%3A00%20-%20Merci%20Incogni%3Cbr%3E%0D%0A00%3A50%20-%20Le%20fonctionnement%20des%20%E9toiles%3Cbr%3E%0D%0A02%3A40%20-%20Le%20destin%20des%20moins%20massives%3Cbr%3E%0D%0A04%3A10%20-%20La%20trajectoire%20des%20mastodontes%3Cbr%3E%0D%0A05%3A00%20-%20Supernova%20par%20effondrement%20de%20coeur%3Cbr%3E%0D%0A10%3A27%20-%20Les%20traces%20laiss%E9s%20dans%20le%20ciel%3Cbr%3E%0D%0A12%3A20%20-%20Supernova%20thermonucl%E9aire%3Cbr%3E%0D%0A15%3A18%20-%20Les%20Kilonova%3Cbr%3E%0D%0A17%3A00%20-%20Les%20Hypernova%3Cbr%3E%0D%0A18%3A53%20-%20Les%20%E9toiles%20qui%20disparaissent%3Cbr%3E%0D%0A19%3A41%20-%20Les%20supernova%20%E0%20antimati%E8re%3Cbr%3E%0D%0A22%3A20%20-%20Les%20plus%20grandes%20%E9toiles%20de%20l%27Univers%3C%2Fp%3E%0D%0A%0D%0A%3Cp%20align%3D%22justify%22%20class%3D%22DKKeswick%22%3EL%27un%20des%20meilleures%20vid%E9os%20sur%20le%20sujet%20avec%2C%20en%20prime%2C%20des%20images%20absolument%20magnifiques%26nbsp%3B%21%3C%2Fp%3E%0D%0A%0D%0A%3Cp%20align%3D%22justify%22%20class%3D%22DKKeswick%22%3EUn%20must%20%E0%20ne%20pas%20manquer%26nbsp%3B%21%3C%2Fp%3E
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Astronomie et astrophysique : "Les plus puissantes étoiles de l'univers - l'énergie phénoménale des Supernova et des Hypernova" Par Balade Mentale |
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Mathématiques : "Les géométries non-euclidiennes - Voyages au pays des maths" |
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Astrophysique et cosmologie : "Quelques questions sur les trous noirs" Par Jean-Pierre Luminet |
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Astronautique et fusées : "L'incroyable PUISSANCE d'Ariane 5 au décollage" Par Balade Mentale |
%3Cp%20class%3D%22news%22%20style%3D%22text-align%3A%20center%3B%22%3E%3Cimg%20alt%3D%22%22%20src%3D%22IMAGES%2Fanechoic-chamber.webp%22%20style%3D%22border-width%3A%201px%3B%20border-style%3A%20solid%3B%20width%3A%201024px%3B%20height%3A%20600px%3B%22%3E%3C%2Fp%3E%0D%0A%0D%0A%3Cp%20align%3D%22justify%22%20class%3D%22news%22%3E%26nbsp%3B%3C%2Fp%3E%0D%0A%0D%0A%3Cp%20align%3D%22justify%22%20class%3D%22chalk%22%3E%3Cspan%20style%3D%22color%3A%23ffff66%3B%22%3ESYNOPSIS%26nbsp%3B%3A%3C%2Fspan%3E%3Cbr%3E%0D%0A%3Cbr%3E%0D%0APeut-on%20cr%E9er%20une%20pi%E8ce%20sans%20r%E9verb%E9ration%26nbsp%3B%3F%20Comment%20se%20forme%20un%20%E9cho%26nbsp%3B%3F%20%C0%26nbsp%3Bquoi%20sert%20une%20salle%20an%E9cho%EFque%26nbsp%3B%3F%20Toutes%20ces%20r%E9ponses%20en%2012%20minutes%26nbsp%3B%21%3Cbr%3E%0D%0A%3Cbr%3E%0D%0A%3Cspan%20style%3D%22color%3A%23ffff66%3B%22%3ESOMMAIRE%26nbsp%3B%3A%3C%2Fspan%3E%3Cbr%3E%0D%0A%3Cbr%3E%0D%0A0%3A00%20-%20Introduction%3Cbr%3E%0D%0A2%3A48%20-%20Construire%20une%20salle%20an%E9cho%EFque%3Cbr%3E%0D%0A5%3A37%20-%20Les%20trois%20salles%20du%20LMA%3Cbr%3E%0D%0A9%3A55%20-%20Conclusion%3C%2Fp%3E%0D%0A%0D%0A%3Cp%20align%3D%22justify%22%20class%3D%22DKKeswick%22%3EUne%20superbe%20r%E9alisation%2C%20bien%20claire%20et%20didactique.%3C%2Fp%3E%0D%0A%0D%0A%3Cp%20align%3D%22justify%22%20class%3D%22DKKeswick%22%3E%C0%20voir%26nbsp%3B%21%3C%2Fp%3E
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Physique et ondes sonores : "Créer un silence parfait : les salles anéchoïques" Par ScienceClic |
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Nucléaire : expériences atomiques folles et démentielles, et radioactivité : " Le Demon Core" - Par AstronoGeek |
%3Cp%20class%3D%22chalk%22%20style%3D%22text-align%3A%20justify%3B%22%3E%3Cspan%20style%3D%22color%3A%23ffff66%3B%22%3ESYNOPSIS%26nbsp%3B%3A%3C%2Fspan%3E%3Cbr%3E%0D%0A%3Cbr%3E%0D%0AQu%27est-ce%20qu%27une%20exp%E9rience%20de%20pens%E9e%26nbsp%3B%3F%3Cbr%3E%0D%0A%3Cbr%3E%0D%0AComment%20les%20exp%E9riences%20de%20pens%E9e%20ont-elle%20permis%20le%20d%E9veloppement%20de%20la%20physique%20moderne%26nbsp%3B%3F%3Cbr%3E%0D%0A%3Cbr%3E%0D%0A%C9tienne%20Klein%2C%20directeur%20de%20recherche%20au%20CEA%2C%20commente%20et%20analyse%20dans%20cette%20conf%E9rence-vid%E9o%20des%20exp%E9riences%20de%20pens%E9e%20c%E9l%E8bres%26nbsp%3B%3A%20de%20Galil%E9e%20%E0%20Einstein.%3C%2Fp%3E%0D%0A%0D%0A%3Cp%20align%3D%22justify%22%20class%3D%22DKKeswick%22%3EFormidable%20%C9tienne%20Klein%26nbsp%3B%3A%20grand%20didacticien%20devant%20l%27%E9ternel%2C%20et%20connaisseur%20hors%20pair%20de%20l%27%E9pist%E9mologie%20de%20la%20physique.%3C%2Fp%3E%0D%0A%0D%0A%3Cp%20align%3D%22justify%22%20class%3D%22DKKeswick%22%3EUne%20conf%E9rence%20synth%E8se%20passionnante%2C%20claire%2C%20accessible%20%E0%20tous%2C%20pleine%20d%27anecdotes%2C%20qui%20ravira%20petits%20et%20grands.%3C%2Fp%3E%0D%0A%0D%0A%3Cp%20align%3D%22justify%22%20class%3D%22DKKeswick%22%3EUn%20must%20super-divertissant%2C%20un%20ravissement%20pour%20l%27esprit.%3C%2Fp%3E%0D%0A%0D%0A%3Cp%20align%3D%22justify%22%20class%3D%22DKKeswick%22%3E%C0%20voir%26nbsp%3B%21%3C%2Fp%3E
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Science, physique, et relativité : "Les expériences de pensée", une Masterclass d'Étienne Klein - 21 Février 2018 |
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Science, vérité scientifique, complots, manipulation, propagande, tromperie, et désinformation : "La fabrique de l'ignorance" : |
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Physique, électrostatique, vapeur, et électricité : l'étonnante machine hydroélectrique d'Armstrong |
%3Cp%20class%3D%22chalk%22%20style%3D%22text-align%3A%20justify%3B%22%3E%3Cspan%20style%3D%22color%3A%23ffff66%3B%22%3ESYNOPSIS%26nbsp%3B%3A%3C%2Fspan%3E%3Cbr%3E%0D%0A%3Cbr%3E%0D%0ALe%20big%20bang%20et%20la%20question%20de%20l%27origine%20de%20l%27Univers.%3Cbr%3E%0D%0A%3Cbr%3E%0D%0A%C9tienne%20Klein%20a%20particip%E9%20%E0%20divers%20grands%20projets%2C%20en%20particulier%20la%20mise%20au%20point%20du%20proc%E9d%E9%20de%20s%E9paration%20isotopique%20par%20laser%20et%20l%27%E9tude%20d%27un%20acc%E9l%E9rateur%20%E0%20cavit%E9s%20supraconductrices.%20Au%20CERN%2C%20il%20a%20particip%E9%20%E0%20la%20conception%20du%20grand%20collisionneur%20de%20particules%20europ%E9en%2C%20le%20LHC2.%20Il%20a%20enseign%E9%20pendant%20plusieurs%20ann%E9es%20la%20physique%20quantique%20et%20la%20physique%20des%20particules%20%E0%20l%27%C9cole%20Centrale%20Paris%2C%20et%20est%20actuellement%20professeur%20de%20philosophie%20des%20sciences%2C%20%26nbsp%3Bde%20la%20question%20du%20temps%20en%20physique.%26nbsp%3B%3C%2Fp%3E%0D%0A%0D%0A%3Cp%20align%3D%22justify%22%20class%3D%22DKKeswick%22%3EEncore%20un%20succ%E8s%20pour%20%C9tienne%20Klein%20avec%20cette%20courte%20et%20excellente%20conf%E9rence%2C%20claire%2C%20didactique%2C%20et%20passionnante.%3C%2Fp%3E%0D%0A%0D%0A%3Cp%20align%3D%22justify%22%20class%3D%22DKKeswick%22%3E%C0%20voir%26nbsp%3B%21%3C%2Fp%3E
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Cosmologie et Big Bang : "L'Univers a t-il connu l'instant zéro ?" Par Étienne Klein - Nuit des sciences - 6 Juin 2014 : |
%3Cp%20align%3D%22justify%22%20class%3D%22DKKeswick%22%3ECompl%E8tement%20dingue%26nbsp%3B%21%3C%2Fp%3E%0D%0A%0D%0A%3Cp%20align%3D%22justify%22%20class%3D%22DKKeswick%22%3EC%27est%20du%20miracle%20si%20tout%20marche%20comme%20pr%E9vu...%26nbsp%3B%3Cimg%20border%3D%220%22%20src%3D%22IMAGES%2FICONES%2FIcone%2520-%2520Choqu%25E9.gif%22%3E%3C%2Fp%3E%0D%0A%0D%0A%3Cp%20align%3D%22justify%22%20class%3D%22DKKeswick%22%3ECette%20cha%EEne%20est%20d%E9cid%E9ment%20la%20meilleure%20et%20la%20plus%20s%E9rieuse%20de%20YouTube%20en%20langue%20francophone%20sur%20l%27espace.%3C%2Fp%3E%0D%0A%0D%0A%3Cp%20align%3D%22justify%22%20class%3D%22DKKeswick%22%3EUn%20petit%20must%20dans%20son%20genre%26nbsp%3B%21%3C%2Fp%3E%0D%0A%0D%0A%3Cp%20align%3D%22justify%22%20class%3D%22DKKeswick%22%3E%C0%20voir%26nbsp%3B%21%3C%2Fp%3E
Must
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Sonde et rover : Comment le rover Perseverance va se poser sur la planète Mars Par Techniques Spatiales |
%3Cp%20align%3D%22justify%22%20class%3D%22DKKeswick%22%3EUn%20ph%E9nom%E8ne%20tout%20%E0%20fait%20insolite%26nbsp%3B%3A%20le%20bas%20du%20slinky%20ne%20bouge%20pas%20d%27un%20centim%E8tre%20tant%20que%20la%20partie%20d%E9croch%E9e%20ne%20lui%20est%20pas%20tomb%E9e%20sur%20le%20nez.%3C%2Fp%3E%0D%0A%0D%0A%3Cp%20align%3D%22justify%22%20class%3D%22DKKeswick%22%3EUn%20petit%20must%20dans%20son%20genre.%3C%2Fp%3E%0D%0A%0D%0A%3Cp%20align%3D%22justify%22%20class%3D%22DKKeswick%22%3E%C0%20voir%26nbsp%3B%21%3C%2Fp%3E
Must
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Expérience de physique étonnante : "Un slinky qui tombe défie-t-il la gravité ?" - Par Veritaserum |
%3Cp%20align%3D%22justify%22%20class%3D%22DKKeswick%22%3ETout%20%E0%20fait%20passionnant.%3C%2Fp%3E%0D%0A%0D%0A%3Cp%20align%3D%22justify%22%20class%3D%22DKKeswick%22%3EEt%20tr%E8s%20bien%20expliqu%E9.%3C%2Fp%3E%0D%0A%0D%0A%3Cp%20align%3D%22justify%22%20class%3D%22DKKeswick%22%3E%C0%20voir%20%21%3C%2Fp%3E
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Cosmologie : "Courbure et origine de l’Univers" par Aurelien Barrau |
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Astrophysique et relativité générale : Dans les secrets des trous noirs grâce à un radiotélescope sur la Lune |
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Physique : voir les ondes sonores |
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Anomalie remarquable : une structure artificielle repérée et "dissimulée" par la NASA sur l'astéroïde (433) Éros |
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Astronomie rendue difficile, perturbation du sommeil humain, menace sur la faune et les végétaux : "Sur les traces de la pollution lumineuse" |
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Astrophysique : une impressionnante comparaison des tailles des astéroïdes |
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Physique étonnante : tomber plus vite que la gravité ne l'impose |
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Incendies en Australie et découverte étonnante : les oiseaux pyromanes : |
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Physique : "Expériences de la pensée", une conférence d'Étienne Klein - BnF - 7 Février 2019 : |
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Astrophysique, espace-temps, relativité, et cosmologie : Étienne Klein reçoit Aurélien Barrau sur le mystère des trous noirs lors de son émission "La conversation scientifique" sur France Culture |
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Physique, gravité, masse, et pesanteur : La chute des corps expliquée par Étienne Klein : |
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Astronomie, astrophysique, et cosmologie : une comparaison de la taille de quelques galaxies connues |
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Astrophysique, géologie, et voyage dans le temps : "Ces planètes Terres qui ont disparues" Par Balade Mentale |
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Aviation, recherche aéronautique, physique, et technologie supersonique: "La Faillite de la MHD française" par Jean-Pierre Petit |
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Astrophysique, cosmologie, gravitation, et relativité : "Mystérieux trous noirs #2 : comment les détecter ?" ("Les ogres du cosmos") : |
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Astrophysique, gravitation, relativité, et cosmologie : "Mystérieux trous noirs #1 : comment se forment-ils ?" ("Anatomie d'un trou noir") : |
%3Cp%20align%3D%22justify%22%20class%3D%22DKKeswick%22%3EUn%20super%20et%20tr%E8s%20bel%20%E9pisode%20%3A%20bien%20expliqu%E9%2C%20magnifique%2C%20un%20peu%20lyrique%2C%20et%20pertinent.%3C%2Fp%3E%0D%0A%0D%0A%3Cp%20align%3D%22justify%22%20class%3D%22DKKeswick%22%3EUn%20must.%3C%2Fp%3E%0D%0A%0D%0A%3Cp%20align%3D%22justify%22%20class%3D%22DKKeswick%22%3E%C0%20ne%20pas%20manquer.%3C%2Fp%3E
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Physique, astrophysique, étoiles, et atomes : "Transformations et origines de la matière ?" par Balade Mentale |
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Astrophysique et relativité : "Et si vous plongiez dans un trou noir ?" Par Balade Mentale |
%3Cp%20align%3D%22justify%22%20class%3D%22DKKeswick%22%3EUne%20excellente%20conf%E9rence%2C%20facile%20d%27acc%E8s%2C%20et%20tr%E8s%20int%E9ressante%20parce-qu%27abordant%20une%20suite%20d%27exp%E9riences%20peu%20connues.%3C%2Fp%3E%0D%0A%0D%0A%3Cp%20align%3D%22justify%22%20class%3D%22DKKeswick%22%3EPassionnant.%3C%2Fp%3E%0D%0A%0D%0A%3Cp%20align%3D%22justify%22%20class%3D%22DKKeswick%22%3E%C0%20voir%20%21%3C%2Fp%3E
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Physique quantique, froid, et supraconductivité : "La plus belle des inventions quantiques" par Julien Bobroff |
%0D%0A%3Cp%20align%3D%22justify%22%20class%3D%22chalk%22%3E%3Cspan%20style%3D%22color%3A%23ffff66%3B%22%3ESYNOPSIS%20%3A%3C%2Fspan%3E%3Cbr%3E%0D%0A%3Cbr%3E%0D%0ALe%20vide%20est%20un%20mot%20qui%20a%20plusieurs%20milliers%20d%27ann%E9es.%20Mais%20ce%20qui%20est%20mis%20derri%E8re%20le%20mot%20%22vide%22%20a%20constamment%20%E9volu%E9%20avec%20les%20diff%E9rentes%20th%E9ories%20philosophiques%20et%20scientifiques.%20Par%20exemple%2C%20le%20vide%20quantique%20est%20appel%E9%20%22vide%22%20mais%20ce%20%22vide%20quantique%22%20est%20constitu%E9%20de%20plein%20de%20choses%2C%20ce%20qui%20pose%20la%20question%20suivante%20%3A%20qu%27entend-on%20r%E9ellement%20par%20vide%20%3F%20Etienne%20Klein%2C%20physicien%20et%20philosophe%20des%20sciences%20au%20CEA%2C%20revient%20sur%20l%27histoire%20et%20les%20diff%E9rents%20sens%20de%20ce%20terme.%20Cette%20conf%E9rence%20a%20%E9t%E9%20r%E9alis%E9e%20lors%20de%20la%20formation%20du%20CEA%20pour%20les%20enseignants%20%22La%20science%20en%20marche%22%2C%20promotion%202019.%3C%2Fp%3E%0D%0A%0D%0A%3Cp%20align%3D%22justify%22%20class%3D%22DKKeswick%22%3EUn%20excellente%26nbsp%3Bconf%E9rence%20d%27%C9tienne%26nbsp%3BKlein%2C%20facile%20d%27acc%E8s%2C%20claire%20et%20didactique%2C%20avec%20plein%20d%27anecdotes.%3C%2Fp%3E%0D%0A%0D%0A%3Cp%20align%3D%22justify%22%20class%3D%22DKKeswick%22%3ELa%20conf%E9rence%20est%20suivie%20de%20questions%20%2F%20r%E9ponses%26nbsp%3Btout%20aussi%20int%E9ressantes.%3C%2Fp%3E%0D%0A%0D%0A%3Cp%20align%3D%22justify%22%20class%3D%22DKKeswick%22%3E%C0%20voir%20%21%3C%2Fp%3E
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Physique quantique et cosmologie : "La notion de vide", une conférence d'Étienne Klein - 27 Février 2019 |
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Astronomie, astrophysique, espace-temps, et relativité : "Trous noirs et gravitation quantique" par Aurélien Barrau |
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Astronomie et éclipses : "Dans l'ombre des planètes" - Par Techniques Spatiales |
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Musique et technologie : La fabrication d'un disque vinyle - Comment c'est fait ? BONUS : l'escroquerie des faux disques vinyles analogiques |
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Physique : l'étonnant moteur thermique à point de Curie |
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Technologies spatiales et moteurs : "Comprendre les flammes des fusées" - Par "Techniques Spatiales" : |
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Incroyable technologie mêlant robotique, informatique, et réseau sans fil : au Royaume-Uni, un impressionnant entrepôt utilise 1100 robots simultanément pour assurer des commandes d'épicerie |
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"Des projectiles mortels dans l'Espace" par AstronoGeek ou l'effarent et épineux problème des débris et déchets spatiaux pour les satellites |
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Étonnant : les tardigrades, ces animaux qui résistent à tout |
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Astrophysique, et folie douce amusante et étonnante : Mark Hughes, l'homme qui veut prouver que la Terre est plate... |
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Menace pour la planète, l'Humanité, et la civilisation : "Et si un astéroïde frappait la Terre ?" Par AstronoGeek |
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Mathématiques et physique : "Chaos", un film sur la théorie du chaos |
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Mathématiques et physique : "Effet Papillon et Théorie du Chaos" — Science étonnante |
%3Cp%20class%3D%22news%22%20style%3D%22text-align%3A%20center%3B%22%3E%3Cimg%20alt%3D%22%22%20src%3D%22IMAGES%2Fluc_ferry_math_servent_a_rien_port_du_voile.jpg%22%20style%3D%22border-width%3A%201px%3B%20border-style%3A%20solid%3B%20width%3A%20600px%3B%20height%3A%20436px%3B%22%3E%3C%2Fp%3E%0D%0A%0D%0A%3Cp%20align%3D%22justify%22%20class%3D%22news%22%3E%26nbsp%3B%3C%2Fp%3E%0D%0A%0D%0A%3Cp%20class%3D%22DKKeswick%22%3EEncore%20un%26nbsp%3Bphilosophe%20de%20mes%20deux...%3C%2Fp%3E%0D%0A%0D%0A%3Cp%20class%3D%22DKKeswick%22%3ESeul%20un%20type%20d%E9connect%E9%20de%20la%20r%E9alit%E9%2C%20et%20vivant%20dans%20une%20bulle%20feutr%E9e%20tr%E8s%20agr%E9able%20et%20prot%E9g%E9%20de%20tout%2C%20peut%20d%E9biter%20une%20pareille%20%E2nerie%20sur%20les%20math%E9matiques.%3C%2Fp%3E%0D%0A%0D%0A%3Cp%20class%3D%22DKKeswick%22%3EC%92est%20aussi%20typiquement%20une%20assertion%20de%20personne%20ais%E9e%20ou%20de%20riche%20qui%20n%92a%20pas%20%E0%20compter%2C%20car%20le%20pauvre%20est%20par%20essence%20confront%E9%20chaque%20jour%20%E0%20la%20dure%20et%20contraignante%20r%E9alit%E9%20des%20chiffres%20%26nbsp%3B%3A%20savoir%20ce%20qui%20lui%20reste%2C%20et%20calculer%20ce%20qu%92il%20peut%20d%E9penser%20pour%20sustenter%20sa%20mis%E9rable%20existence.%3C%2Fp%3E%0D%0A%0D%0A%3Cp%20class%3D%22DKKeswick%22%3EUne%20fois%20de%20plus%2C%20on%20peut%20se%20rendre%20pleinement%20compte%20qu%92en%20plus%20d%92%EAtre%20fonci%E8rement%20des%20tra%EEtres%2C%20nos%20politiciens%20sont%20des%20aveugles%20et%20des%20incapables.%3C%2Fp%3E
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Déclaration ahurissante d'un politicien sur les mathématiques : pour le philosophe Luc Ferry, ancien ministre de l'éducation nationale, "les maths ne servent strictement à rien" |
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Cosmologie : "L'Univers est-il une illusion ?" par David Elbaz |
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Étonnant : un appareil amateur de lévitation acoustique |
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Incroyable et étonnant : le cycle de vie d'un des plus gros insectes du monde : le dynaste Hercule |
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Astronomie et astrophysique : une comparaison de la taille des trous noirs au début 2018 : |
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Ondes sonores et acoustique : "La magie du son" |
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Technologie et artisanat étonnants et tout à fait remarquables : l'art de fabriquer un tube Nixie |
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Rencontre avec Étienne Klein : quelques réflexions sur le temps Nantes - Novembre 2017 |
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Voyage au centre de la Terre — Science étonnante |
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"L'intelligence artificielle va-t-elle bouleverser l'économie ?" par Laurent Alexandre Séminaire PME et indépendants, Genève - 19 septembre 2017 |
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Astrophysique : "La terrifiante échelle des trous noirs" |
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Laurent Alexandre : "L'intelligence artificielle nous dépasse de plus en plus" |
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Étrangeté de la physique quantique et de la lumière : l'étonnant interféromètre de Mach et Zehnder |
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Astrophysique, relativité, et cosmologie : "La Méthode scientifique - Les Trous noirs" avec Alain Riazuelo et Éric Gourgoulhon France Culture - 21 Février 2017 |
%3Cp%20class%3D%22chalk%22%3E%3Cspan%20style%3D%22color%3A%23ffff66%3B%22%3ESYNOPSIS%20%3A%3C%2Fspan%3E%3Cbr%3E%0D%0A%3Cbr%3E%0D%0ASur%20un%20jet%20d%27eau%2C%20vous%20pouvez%20faire%20l%E9viter%20des%20boules%20l%E9g%E8res%20de%20toutes%20tailles%20et%20m%EAme%20des%20disques%20et%20des%20cylindres.%20Le%20m%E9canisme%20n%27est%20pas%20l%27effet%20Bernoulli...%3Cbr%3E%0D%0A%3Cbr%3E%0D%0AVous%20voulez%20faire%20cela%20%E0%20la%20maison.%3Cbr%3E%0D%0A%3Cbr%3E%0D%0AMon%20ami%20Blake%20d%27InnoVinci%20m%27a%20envoy%E9%20une%20bonne%20id%E9e%20pour%20une%20vid%E9o%20et%20une%20vid%E9o%20de%20l%E9vitation%20dans%20les%20jets%20d%27eau.%20Au%20d%E9but%2C%20il%20%E9tait%20difficile%20d%27expliquer%20la%20physique%20de%20ce%20qui%20se%20passait.%20L%27effet%20Bernoulli%20standard%20repose%20sur%20l%27immersion%20totale%20de%20l%27objet%20dans%20le%20fluide%20ascendant.%20Mais%20dans%20ce%20cas%2C%20l%27eau%20semble%20former%20un%20seul%20flux%20autour%20de%20l%27objet%20et%20il%20est%20d%E9vi%E9%20et%20descendu%20du%20flux.%20Par%20la%20troisi%E8me%20loi%20de%20Newton%2C%20la%20force%20sur%20l%27eau%20par%20la%20balle%20est%20%E9gale%20et%20oppos%E9e%20%E0%20la%20force%20de%20l%27eau%20sur%20la%20balle%2C%20en%20la%20poussant%20dans%20le%20courant.%20Il%20y%20a%20une%20position%20d%27%E9quilibre%20stable%20car%2C%20si%20la%20balle%20se%20d%E9place%20dans%20le%20courant%2C%20elle%20%22coupe%22%20l%27eau%20qui%20passe%20au-dessus%20de%20la%20balle%20pour%20qu%27elle%20se%20d%E9verse.%20Si%20elle%20d%E9rive%20trop%20loin%2C%20alors%20beaucoup%20d%27eau%20passe%20sur%20la%20balle%2C%20en%20la%20poussant%20dans%20le%20courant.%3Cbr%3E%0D%0A%3Cbr%3E%0D%0ASource%20%3A%20Veritasium%20-%20Traduction%20amateur%20par%20BlueMan.%3C%2Fp%3E%0D%0A%0D%0A%3Cp%20align%3D%22justify%22%20class%3D%22DKKeswick%22%3ESuper%20fun%20et%20%E9tonnant%20%21%3C%2Fp%3E%0D%0A%0D%0A%3Cp%20align%3D%22justify%22%20class%3D%22DKKeswick%22%3EUn%20petit%20must%2C%20et%20plut%F4t%20rare%2C%26nbsp%3Bdans%20son%20genre.%3C%2Fp%3E%0D%0A%0D%0A%3Cp%20align%3D%22justify%22%20class%3D%22DKKeswick%22%3E%C0%20voir%20%21%3C%2Fp%3E
Must
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Une expérience de physique amusante et incroyable avec de l'eau : la lévitation hydrodynamique |
%3Cp%20class%3D%22chalk%22%20style%3D%22text-align%3A%20justify%3B%22%3E%3Cspan%20style%3D%22color%3A%23ffff66%3B%22%3ESYNOPSIS%20%3A%3C%2Fspan%3E%3Cbr%3E%0D%0A%3Cbr%3E%0D%0ALa%20plus%20belle%20et%20la%20plus%20riche%20des%20preuves%20du%20sc%E9nario%20du%20Big-Bang%2C%20j%27ai%20nomm%E9%20%3A%20le%20rayonnement%20%22fossile%22%2C%20ou%20rayonnement%20du%20fond%20diffus%20cosmologique.%3Cbr%3E%0D%0A%3Cbr%3E%0D%0ASource%20%3A%20Science%20%E9tonnante.%3C%2Fp%3E%0D%0A%0D%0A%3Cp%20class%3D%22DKKeswick%22%20style%3D%22text-align%3A%20justify%3B%22%3EUne%20vid%E9o%20bien%20didactique.%3C%2Fp%3E%0D%0A%0D%0A%3Cp%20class%3D%22DKKeswick%22%20style%3D%22text-align%3A%20justify%3B%22%3E%C0%20voir%20%21%3C%2Fp%3E
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Cosmologie, Big Bang, physique quantique, lumière, et astrophysique : "Le rayonnement cosmologique — Science étonnante #42" ou fond diffus cosmologique |
%3Cp%20align%3D%22justify%22%20class%3D%22chalk%22%3E%3Cspan%20style%3D%22color%3A%23ffff66%3B%22%3ESYNOPSIS%20%3A%3C%2Fspan%3E%3Cbr%3E%0D%0A%3Cbr%3E%0D%0ADans%20cet%20%E9pisode%20pilote%2C%20nous%20allons%20d%E9couvrir%20les%20m%E9thodes%20utilis%E9es%20par%20Aristarque%20de%20Samos%2C%20Hipparque%20de%20Nic%E9e%2C%20et%20Pierre%20Charles%20Le%20Monnier%20pour%20mesurer%2C%20avec%20plus%20ou%20moins%20de%20succ%E8s%2C%20la%20distance%20Terre-Lune.%20Puis%20nous%20nous%20int%E9resseront%20%E0%20la%20m%E9thode%20moderne%2C%20la%20t%E9l%E9m%E9trie%20laser%2C%20qui%20permet%20de%20conna%EEtre%20la%20distance%20Terre%20Lune%20au%20putain%20de%20millim%E8tre%20pr%E8s...%3Cbr%3E%0D%0A%3Cbr%3E%0D%0ANon%2C%20ce%20n%27est%20pas%20vulgaire%2C%20c%27est%20de%20la%20vulgarisation%20scientifique.%20Nuance.%3Cbr%3E%0D%0A%3Cbr%3E%0D%0ASource%20%3A%20AstronoGeek.%3C%2Fp%3E%0D%0A%0D%0A%3Cp%20align%3D%22justify%22%20class%3D%22DKKeswick%22%3EUne%20vid%E9o%20super%20int%E9ressante%20retra%E7ant%20l%27historique%20des%20m%E9thodes%20employ%E9es%20pour%20mesurer%20et%20calculer%20la%20distance%20Terre-Lune%2C%20et%20l%27incroyable%20exploit%20technologique%20de%20la%20m%E9thode%20actuelle%20par%20LASER.%3C%2Fp%3E%0D%0A%0D%0A%3Cp%20align%3D%22justify%22%20class%3D%22DKKeswick%22%3E%C0%20voir%20%21%3C%2Fp%3E
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Astronomie et astrophysique : "Connaître la distance Terre-Lune au millimètre près ! AstronoGeek #1" |
%3Cp%20class%3D%22papertypewritersommaire%22%20style%3D%22text-align%3A%20justify%3B%22%3ESYNOPIS%20%3A%3Cbr%3E%0D%0A%3Cbr%3E%0D%0ACe%20serait%20une%20erreur%20de%20penser%20qu%27Albert%20Einstein%20a%20d%E9velopp%E9%20la%20th%E9orie%20de%20la%20relativit%E9%20restreinte%20tout%20seul%20en%20partant%20de%20rien.%20S%27il%20a%20b%E9n%E9fici%E9%20du%20travail%20de%20ses%20pr%E9d%E9cesseurs%20comme%20Lorentz%20ou%20Poincar%E9%2C%20c%27est%20bien%20lui%20qui%2C%20le%20premier%2C%20a%20assembl%E9%20les%20pi%E8ces%20du%20puzzle%20et%20en%20a%20compris%20la%20signification%20physique.%3Cbr%3E%0D%0A%3Cbr%3E%0D%0APourtant%2C%20du%20fait%20qu%27Einstein%20ne%20cite%20pas%20de%20r%E9f%E9rences%20dans%20son%20article%20de%201905%2C%20et%20parce%20que%20Poincar%E9%20%E9tait%20tout%20proche%20du%20but%20%28bien%20qu%27il%20n%27en%20ait%20semble-t-il%20jamais%20vraiment%20compris%20la%20signification%29%2C%20une%20controverse%20est%20n%E9e%20autour%20de%20la%20paternit%E9%20de%20la%20d%E9couverte%20de%20la%20th%E9orie%20de%20la%20relativit%E9%2C%20certains%20allant%20m%EAme%20jusqu%27%E0%20accuser%20Einstein%20d%27avoir%20plagi%E9%20les%20travaux%20de%20Poincar%E9.%3Cbr%3E%0D%0A%3Cbr%3E%0D%0AC%E9dric%20Villani%20et%20%C9tienne%20Klein%20r%E9pondent%20%E0%20des%20questions%20sur%20ce%20sujet%2C%20%C9tienne%20Klein%20retrace%20ensuite%20la%20gen%E8se%20de%20la%20th%E9orie%20de%20la%20relativit%E9%20g%E9n%E9rale%20par%20Einstein.%3C%2Fp%3E%0D%0A%0D%0A%3Cp%20align%3D%22justify%22%20class%3D%22DKKeswick%22%3ETout%20montre%20que%20la%20relativit%E9%20est%20globalement%20une%20oeuvre%20collective%2C%20mais%20que%20la%20relativit%E9%20g%E9n%E9rale%20est%20majoritairement%20un%20apport%20d%27Einstein.%3C%2Fp%3E%0D%0A%0D%0A%3Cp%20align%3D%22justify%22%20class%3D%22DKKeswick%22%3E%C0%20voir%20%21%3C%2Fp%3E
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Physique et espace-temps : les points de vue de Cédric Villani et d'Étienne Klein à propos de la paternité de la théorie de la relativité d'Einstein |
%3Cp%20align%3D%22justify%22%20class%3D%22DKKeswick%22%3EUne%20conf%E9rence%20passionnante%2C%20comme%20toujours%20avec%20%C9tienne%26nbsp%3BKlein%2C%20parce-que%20claire%20et%20bien%20didactique.%3C%2Fp%3E%0D%0A%0D%0A%3Cp%20align%3D%22justify%22%20class%3D%22DKKeswick%22%3E%C0%20voir%20%21%3C%2Fp%3E
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Physique quantique et épistémologie : "De quoi le vide est-il plein ?", une conférence d'Étienne Klein - 8 Mars 2017 |
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Histoire des mathématiques : "Les chiffres... arabes ?" |
%3Cp%20align%3D%22justify%22%20class%3D%22DKKeswick%22%3EUne%20vid%E9o%20qui%20passionnante%20pour%20tous%20ceux%20qui%20sont%20int%E9ress%E9s%20par%20la%20cosmologie.%3C%2Fp%3E%0D%0A%0D%0A%3Cp%20align%3D%22justify%22%20class%3D%22DKKeswick%22%3E%C0%20voir%20%21%3C%2Fp%3E
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Cosmologie, Big Bang, astrophysique, et relativité : "L'Univers est il fini ou infini ?", un débat entre Aurélien Barrau et Patrick Peter |
%3Cp%20align%3D%22justify%22%20class%3D%22DKKeswick%22%3ESelon%20moi%2C%20mais%20je%20ne%20suis%20qu%27un%20modeste%20profane%20en%20physique%2C%20le%20principe%20d%27%E9quivalence%20est%20%22faux%22%20dans%20le%20sens%20o%F9%20il%20y%20a%20une%20diff%E9rence%20fondamentale%20entre%20l%27ascenseur%26nbsp%3Bdans%20l%27espace%20et%20celui%20pos%E9%20sur%20Terre%20%3A%20ce%20dernier%20baigne%20dans%20un%20champ%20de%20gravitation%26nbsp%3Bet%20pas%20le%20premier.%20On%20doit%20donc%20pouvoir%20d%E9tecter%20ce%20champ%20et%20d%E9terminer%20ainsi%20une%20diff%E9rence%20avec%20la%20situation%20du%20premier%20ascenseur%26nbsp%3Bperdu%20dans%20l%27espace%20et%20en%20acc%E9l%E9ration%20constante.%20Mais%20peut-%EAtre%20que%20je%20me%20trompe...%3C%2Fp%3E%0D%0A%0D%0A%3Cp%20align%3D%22justify%22%20class%3D%22DKKeswick%22%3EQuoi%20qu%27il%20en%20soit%2C%20voil%E0%20une%20nouvelle%20conf%E9rence%20d%27%C9tienne%20Klein%20tout%20%E0%20fait%20passionnante%20et%20didactique.%3C%2Fp%3E%0D%0A%0D%0A%3Cp%20align%3D%22justify%22%20class%3D%22DKKeswick%22%3E%C0%20voir%20%21%3C%2Fp%3E
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Particules, physique quantique, et relativité : "Quoi de neuf dans l'univers ?", une conférence d'Étienne Klein - Pau - 18 Novembre 2016 |
%3Cp%20style%3D%22text-align%3A%20center%3B%22%3E%3Cimg%20alt%3D%22%22%20src%3D%22IMAGES%2Ftheoreme-de-bayes-neons.jpg%22%20style%3D%22border-width%3A%201px%3B%20border-style%3A%20solid%3B%20width%3A%20700px%3B%20height%3A%20222px%3B%22%3E%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%20class%3D%22DKKeswick%22%3E%26nbsp%3B%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%20class%3D%22DKKeswick%22%3EUne%20vid%E9o%20vraiment%20int%E9ressante%20et%20didactique%2C%20%E0%20la%20port%E9e%20de%20tous.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%20class%3D%22DKKeswick%22%3ESeule%20regret%20%3A%20l%27intervention%20de%20Dieu%20dans%20le%20deuxi%E8me%20%E9pisode%20qui%20s%27av%E8re%20grotesque.%20D%E8s%20qu%27ils%20commencent%20%E0%20faire%20un%20peu%20de%20soi-disant%20philosophie%2C%20certains%20humains%20deviennent%20arrogants%20et%20idiots%2C%20c%27est%20path%E9tique.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%20class%3D%22DKKeswick%22%3EDe%20tr%E8s%20bonnes%20explications%20cependant.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%20class%3D%22DKKeswick%22%3E%C0%20noter%20que%20la%20version%20de%20ce%20th%E9or%E8me%20pr%E9sent%E9e%20est%20une%20version%20simplifi%E9e.%20Pour%20en%20savoir%20plus%2C%20voir%20%3Ca%20href%3D%22https%3A%2F%2Ffr.wikipedia.org%2Fwiki%2FTh%25C3%25A9or%25C3%25A8me_de_Bayes%22%20target%3D%22_blank%22%3E%5Bici%5D%3C%2Fa%3E%20%28%3Cimg%20align%3D%22absmiddle%22%20border%3D%220%22%20height%3D%2225%22%20src%3D%22IMAGES%2FNouvelle%2520Fenetre%252025x25.gif%22%20width%3D%2225%22%3E%29.%3C%2Fp%3E
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Mathématiques statistiques étonnantes : la Loi ou Théorème de Bayes |
%3Cp%20class%3D%22DKKeswick%22%3EDes%20interviews%20et%20conf%E9rences%26nbsp%3Btr%E8s%20int%E9ressantes%20sauf%20que%20JAMAIS%20une%20IA%20n%27aura%20la%20conscience%20d%27elle-m%EAme%20pour%20la%20simple%20raison%20qu%27en%20elle%20tout%20est%20m%E9canique%20et%20inconscient%20%3A%20aussi%20bien%20son%20support%20%28le%20hardware%29%20que%20les%20algorithmes%20%28le%20software%29.%3C%2Fp%3E%0D%0A%0D%0A%3Cp%20class%3D%22DKKeswick%22%3EJamais%20la%20conscience%20ne%20peut%20jaillir%20d%3F%E9l%E9ments%20inconscients.%20Il%20faut%20un%20minimum%20de%20conscience%20pour%20qu%27elle%20se%20manifeste%20et%20puisse%20grandir.%20Ici%2C%20aucune%20conscience%20nulle%20part.%20De%20rien%2C%20on%20ne%20tire%20rien...%3C%2Fp%3E%0D%0A%0D%0A%3Cp%20class%3D%22DKKeswick%22%3EDe%20petits%20must%20%21%3Cbr%3E%3Cbr%3E%C0%20voir%20%21%3C%2Fp%3E%0D%0A
Must
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Informatique, ordinateurs, algorithmes, et futur : trois vidéos édifiantes de Laurent Alexandre sur l'Intelligence Artificielle et les technologies NBIC |
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Astrophysique et astronomie : "Qu'est-ce qu un trou noir, très simplement ?", une conférence d'Aurélien Barrau |
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Astrophysique et astronomie : "Peut-on sortir d'un trou noir ?" |
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Mathématiques, calcul, et informatique : "Machines à calculer" par Micmaths |
%3Cp%20align%3D%22justify%22%3E%3Cu%3E%3Cb%3E%3Cfont%20size%3D%225%22%3ESynopsis%20%3A%3C%2Ffont%3E%3C%2Fb%3E%3C%2Fu%3E%3C%2Fp%3E%0D%0A%3Cblockquote%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3EQuelle%20est%20r%E9ellement%20la%20place%20de%20la%20vie%20dans%20la%20%0D%0A%09chronologie%20de%20l%27univers%20%3F%3C%2Fp%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3E15%20minutes%20pour%20tenter%20d%92appr%E9hender%20les%20%E9chelles%20de%20%0D%0A%09temps%20cosmiques%20et%20nous%20poser%20la%20bonne%20question%20sur%20la%20vie%20extraterrestre%20%21%3C%2Fp%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3ESource%20%3A%20Passe-Science.%3C%2Fp%3E%0D%0A%3C%2Fblockquote%3E%0D%0A%3Cp%20align%3D%22justify%22%3EJe%20pense%20qu%27il%20sous-estime%20le%20temps%20n%E9cessaire%20pour%20%0D%0Areconqu%E9rir%20une%20autre%20%E9toile%20ainsi%20que%20les%20probabilit%E9s%20qu%27une%20civilisation%20%0D%0Adisparaisse...%3C%2Fp%3E
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Paradoxe de Fermi : "Échelles de temps et vie extraterrestre - Passe-science #21" |
%3Cp%20align%3D%22center%22%3E%3Cimg%20alt%3D%22%22%20src%3D%22IMAGES%2Fhasard_des_a_jouer.jpg%22%20style%3D%22border-width%3A%201px%3B%20border-style%3A%20solid%3B%20width%3A%20800px%3B%20height%3A%20535px%3B%22%3E%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%26nbsp%3B%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3ELe%20hasard...%20On%20pourrait%20croire%20qu%27il%20ne%20va%20donner%20que%20du%20%0D%0Achaos%2C%20de%20l%27inordonn%E9%2C%20et%20bien%20pas%20du%20tout%20%21%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3EMicmachs%20nous%20en%20donne%20quelque%20beaux%20exemples.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3EPassionnant.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%C0%20voir%20%21%3C%2Fp%3E
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Mathématiques étonnantes : "La puissance organisatrice du hasard" par Micmaths |
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Informatique et technologie : les ordinateurs quantiques - Science étonnante |
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Exploration de la planète Saturne par la NASA : la fin désastreuse et émouvante de la superbe sonde spatiale Cassini |
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La lumière et le rendu des couleurs Science étonnante |
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Mathématiques et infini : l'étonnant hôtel de Hilbert |
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Un phénomène physique étonnant encore partiellement inexpliqué par la science : la sonoluminescence ou comment créer de la lumière avec un liquide, une bulle de gaz, et du son |
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Histoire des sciences : comment a évolué le concept d'énergie Par Étienne Klein - Janvier 2017 |
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Science optique de la lumière, des rayons, et du temps : "LASERS extrêmes" |
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Science : "Le grand mystère des mathématiques" |
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Le projet Rosette : archiver pour le futur les langues et la mémoire de l'Humanité |
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Aviation civile à vitesse supersonique : "Un ciel signé Concorde", un documentaire passionnant et merveilleux |
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Innovation technologique incroyable : "Method-1", un étonnant grand robot construit en Corée du Sud, piloté de l'intérieur, et destiné à décontaminer la zone radioactive de Fukushima |
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Astrophysique, pulsars, trous noirs, et ondes gravitationnelles : "L'astronomie gravitationnelle à l'écoute du côté obscur de l'Univers" par Éric Chassande-Mottin - Novembre 2016 |
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Cosmologie : "Habitons-nous un trou noir et pourquoi devrions-nous en soucier ?" par David Elbaz ou une nouvelle théorie révolutionnaire de la gravitation qui serait une propriété émergente |
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Astronomie et découverte de l'Univers : le James Webb Space Telescope (JWST), un nouveau télescope spatial 100 fois plus puissant que Hubble bientôt en orbite
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Tendance perverse scandaleuse en constante augmentation : la privatisation du savoir scientifique par les éditions et les publications commerciales à partir de travaux de recherches publics |
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Mathématiques étonnantes : 3 preuves que la super-somme infinie 1+2+4+8+16+... = -1 |
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Étonnant : enlever la rouille du métal avec un LASER infrarouge de 1000 watts |
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Astrophysique et cosmologie : "Peut-on mathématiquement prédire l'avenir du système solaire ?" par Cédric Villani - 29 Mars 2011 |
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Astrophysique étonnante et relativité : une magnifique comparaison des différentes tailles de trous noirs |
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Extraterrestres, NASA, et faits cachés étonnants de l'exploration spatiale : "Aliens sur la Lune : la vérité exposée" |
%3Cp%20align%3D%22justify%22%3EIl%20arrive%20qu%27en%20math%E9matiques%20l%27information%20que%20l%27on%20cherche%20se%20cache%20de%20mani%E8re%20tr%E8s%20subtile%20au%20milieu%20d%27informations%20parfaitement%20inutiles...%20Quelques%20exemples%20%0D%0A%E9tonnants.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%C0%20voir%20%21%3C%2Fp%3E
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Mathématiques surprenantes : quand l'utile se cache dans l'inutile |
%3Cp%20align%3D%22center%22%3E%0D%0A%3Cimg%20border%3D%221%22%20src%3D%22IMAGES%2FEtienne-Klein-physicien-portrait-A-Paris.jpg%22%20width%3D%22600%22%20height%3D%22400%22%3E%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%26nbsp%3B%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3ECette%20vid%E9o%20est%20une%20conf%E9rence%20de%20physique%20donn%E9e%20par%20%C9tienne%20%0D%0AKlein%2C%20professeur%20%E0%20l%27%E9cole%20Centrale%20Paris%20et%20Directeur%20du%20laboratoire%20de%20%0D%0Aphysique%20de%20la%20mati%E8re%20au%20CEA.%20Le%20th%E8me%20%3A%20le%20temps%20et%20ce%20qui%20fait%20passer%20le%20%0D%0Atemps%2C%20appel%E9%20aussi%20%26quot%3B%3Ci%3Ele%20moteur%20du%20temp%3C%2Fi%3Es%26quot%3B.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3EUne%20fois%20de%20plus%2C%20%C9tienne%20Klein%20s%27av%E8re%20un%20p%E9dagogue%20de%20%0D%0Apremier%20plan%2C%20et%20nous%20d%E9livre%20ici%20une%20conf%E9rence%20de%20plus%20en%20plus%20passionnante%20au%20%0D%0Afur%20et%20%E0%20mesure%20qu%27on%20avance%20%28dans%20le%20temps%2C%20LOL%29.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3EOn%20ne%20s%27ennuie%20pas%20une%20seconde%20%28LOL%29.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3EUn%20petit%20must%20qui%20ravira%20tous%20les%20amoureux%20de%20physique.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%C0%20voir%20%21%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%3Cb%3ENota%20Bene%20%3A%20j%27ai%20retrait%E9%20l%27image%20et%2C%20pour%20un%20meilleur%20%0D%0Aconfort%20auditif%2C%20j%27ai%20corrig%E9%20le%20son%20qui%20ne%20sortait%20que%20du%20c%F4t%E9%20gauche%20et%20l%27ai%20rehauss%E9%20de%20%0D%0A7%20dB.%3C%2Fb%3E%3C%2Fp%3E
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Le moteur du temps : "D'où vient que le temps passe ?" par Étienne Klein Université Cadi Ayyad - Marrakech - Maroc - 9 Avril 2014 |
%3Cp%20align%3D%22center%22%3E%0D%0A%3Cimg%20border%3D%221%22%20src%3D%22IMAGES%2FBigBang.jpg%22%20width%3D%221243%22%20height%3D%221020%22%3E%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%26nbsp%3B%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3ECette%20vid%E9o%20est%20une%20conf%E9rence%2C%20suivi%20d%27une%20session%20de%20%0D%0Aquestions%2Fr%E9ponses%2C%20par%20le%20talentueux%20physicien%20%C9tienne%20Klein%20sur%20l%92origine%20de%20%0D%0Al%92Univers%20qui%20suscite%20beaucoup%20d%92int%E9r%EAt%26nbsp%3Bet%20de%20recherches.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3EUne%20conf%E9rence%20passionnante%2C%20tr%E8s%20didactique%2C%20%E0%20la%20port%E9e%20de%20%0D%0Atous%2C%20qui%20ravira%20tous%20les%20amoureux%20de%20science%20et%20de%20cosmologie.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%C0%20voir%20%21%3C%2Fp%3E
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"Big Bang" : origine, naissance, et histoire de l'univers, une conférence cosmologique d'Étienne Klein |
%3Cp%20align%3D%22center%22%3E%0D%0A%3Cimg%20border%3D%220%22%20src%3D%22IMAGES%2Fspectres_exemples.jpg%22%20width%3D%22960%22%20height%3D%22720%22%3E%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%26nbsp%3B%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%3Cu%3E%3Cb%3E%3Cfont%20size%3D%225%22%3ESynopsis%20%3A%3C%2Ffont%3E%3C%2Fb%3E%3C%2Fu%3E%3C%2Fp%3E%0D%0A%3Cblockquote%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3EEn%201814%2C%20l%27opticien%20et%20physicien%20allemand%20Joseph%20von%20%0D%0A%09Fraunhofer%20r%E9alise%20une%20exp%E9rience%20qui%20influencera%20l%27astrophysique%20jusqu%27%E0%20%0D%0A%09nos%20jours.%3C%2Fp%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3EEn%20%E9tudiant%20la%20mani%E8re%20dont%20les%20prismes%20de%20verre%20%0D%0A%09d%E9composent%20la%20lumi%E8re%20du%20soleil%2C%20il%20d%E9couvre%20la%20pr%E9sence%20de%20raies%20noires%20%0D%0A%09dans%20le%20spectre%20color%E9.%3C%2Fp%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3ECorrespondant%20%E0%20des%20longueurs%20d%27ondes%20fixes%2C%20celles-ci%20%0D%0A%09permettront%20d%27affiner%20les%20mesures%20et%20de%20produire%20des%20lunettes%20et%20t%E9lescopes%20%0D%0A%09d%27une%20pr%E9cision%20encore%20jamais%20vue%3C%2Fp%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3ESource%20%3A%20Programme%20TV.%3C%2Fp%3E%0D%0A%3C%2Fblockquote%3E%0D%0A%3Cp%20align%3D%22center%22%3E%0D%0A%3Cimg%20border%3D%220%22%20src%3D%22IMAGES%2Fspectres_exemples_2.jpg%22%20width%3D%22960%22%20height%3D%22720%22%3E%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3EUne%20jolie%20vid%E9o%2C%20bien%20didactique%2C%20lente%2C%20accessible%20%E0%20tous.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%C0%20voir%20%21%3C%2Fp%3E
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Les grandes dates de la science et de la technique : Lumière, optique, effet doppler, astronomie, et astrophysique : La découverte de la spectroscopie par Joseph Fraunhofer |
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Physique quantique atomique : "Fusion vs Fission nucléaire" - Science étonnante |
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Nanotechnologies, molécules, et recherche scientifique étonnante : la NanoCar Race, la première course internationale de molécules-voitures |
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Tromperies, mensonges, et trucages des images de la NASA : "Rendez-vous avec Roch : La vérité cachée de la conquête spatiale" |
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La naine blanche : une jolie vidéo poétique du destin de notre Soleil ou comment finissent la majorité des étoiles |
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Ondes gravitationnelles :"Signaux gravitationnels de trous noirs, on les a entendu !", une conférence grand public de Damir Buskulic |
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Innovation technologique : Saurea, le moteur solaire le plus sobre, fiable et durable au monde, inusable et sans entretien |
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Technologie impressionnante : Atlas, la nouvelle génération de robots de Boston Dynamics |
%3Cp%20align%3D%22center%22%3E%0D%0A%3Cimg%20border%3D%221%22%20src%3D%22IMAGES%2FLigo_fusion_trous_noirs.jpg%22%20width%3D%221200%22%20height%3D%22828%22%3E%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%26nbsp%3B%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%3Cu%3E%3Cb%3E%3Cfont%20size%3D%225%22%3ESynopsis%20%3A%3C%2Ffont%3E%3C%2Fb%3E%3C%2Fu%3E%3C%2Fp%3E%0D%0A%3Cblockquote%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3ELes%20ondes%20gravitationnelles%20sont%20des%20d%E9formations%20de%20%0D%0A%09l%92espace-temps%20pr%E9dites%20par%20Einstein.%20Mais%20de%20quoi%20s%92agit-il%20exactement%26nbsp%3B%3F%3Cbr%3E%0D%0A%09Pourquoi%20voulait-on%20les%20d%E9tecter%20%3F%3Cbr%3E%0D%0A%09Comment%20s%92y%20est-on%20pris%20%3F%3Cbr%3E%0D%0A%09Qu%92est-ce%20que%20leur%20observation%20directe%20change%20%E0%20notre%20vision%20de%20l%92Univers%20%3F%3Cbr%3E%0D%0A%09Comment%20l%92astronomie%20va-t-elle%20%E9voluer%20%3F%3C%2Fp%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3ELes%20r%E9ponses%20%E0%20ces%20questions%20nous%20seront%20apport%E9es%20par%20%0D%0A%09Fabien%20Cavalier%2C%20chercheur%20au%20Laboratoire%20de%20l%92acc%E9l%E9rateur%20lin%E9aire%20d%92Orsay%20%0D%0A%09aupr%E8s%20du%20d%E9tecteur%20d%92ondes%20gravitationnelles%20Virgo.%3C%2Fp%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3ESource%20%3A%20CEA.%3C%2Fp%3E%0D%0A%3C%2Fblockquote%3E%0D%0A%3Cp%20align%3D%22justify%22%3EUne%20conf%E9rence%20absolument%20passionnante%2C%20tr%E8s%20riche%2C%20avec%20des%20%0D%0Aexplications%20simples%20mais%20fouill%E9es%2C%20o%F9%20l%27on%20apprend%20beaucoup%20de%20choses%2C%20%0D%0Aagr%E9ment%E9e%20notamment%20de%20vid%E9os%20tr%E8s%20explicites%20et%20claires.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3EUn%20must%20dans%20son%20genre%20%3A%20la%20meilleure%20conf%E9rence%20sur%20le%20%0D%0Asujet.%20Vous%20allez%20vous%20r%E9galer.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%C0%20voir%20%21%3C%2Fp%3E
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La détection directe d'ondes gravitationnelles par les détecteurs LIGO aux États-Unis, une conférence passionnante de Fabien Cavalier |
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Aviation, automobile, innovation, et technologie : 4 voitures volantes contemporaines qui volent vraiment |
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Les mystérieuses fentes de Young : une expérience étonnante de la physique quantique aux conséquences étranges et énigmatiques |
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Relativité et espace-temps : découverte historique d'ondes gravitationnelles par l'observatoire LIGO et confirmation des prédictions d'Einstein |
%3Cp%20align%3D%22center%22%3E%0D%0A%3Cimg%20border%3D%221%22%20src%3D%22IMAGES%2Fasteroide_fin_du-monde.jpg%22%20width%3D%22900%22%20height%3D%22450%22%3E%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%26nbsp%3B%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3EJean-Pierre%20Luminet%2C%20grand%20sp%E9cialiste%20des%20trous%20noirs%20et%20%0D%0Acosmologiste%20devant%20l%27%E9ternel%2C%20nous%20explique%20les%20risques%20d%27une%20collision%20avec%20la%20%0D%0ATerre%20d%27un%20ast%E9ro%EFde%20g%E9ocroiseur%2C%20et%20nous%20propose%20quelques%20solutions.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3EClair%2C%20simple%2C%20didactique%20comme%20toujours%20avec%20Jean-Pierre%20%0D%0ALuminet.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%C0%20voir%20%21%3C%2Fp%3E
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Astronomie et fin du monde : les astéroïdes géocroiseurs sont-ils une menace pour la Terre ? Avec Jean-Pierre Luminet |
%3Cp%20align%3D%22center%22%3E%0D%0A%3Cimg%20border%3D%221%22%20src%3D%22IMAGES%2Fphoto-ondes-gravitationnelles.jpg%22%20width%3D%22900%22%20height%3D%22431%22%3E%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%26nbsp%3B%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3EUne%20courte%20vid%E9o%20qui%20fait%20le%20point%20sur%20les%20recherches%20en%20%0D%0Acours%20dans%20le%20monde%20des%20ondes%20gravitationnelles.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3EPr%E9dites%20par%20Einstein%20dans%20sa%20th%E9orie%20de%20la%20relativit%E9%20%0D%0Ag%E9n%E9rale%2C%20les%20ondes%20gravitationnelles%20ont%20%E9t%E9s%20mises%20en%20%E9vidence%20indirectement%20%0D%0Adans%20les%20ann%E9es%201990.%20Mais%20qu%92en%20est-il%20de%20leur%20d%E9tection%20directe%26nbsp%3B%3F%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3EAlors%20que%20les%20instruments%20Ligo%20et%20Advanced%20Virgo%20traquent%20les%20%0D%0Aondes%20gravitationnelles%2C%20leurs%20successeurs%2C%20comme%20Lisa%20ou%20le%20t%E9lescope%20Einstein%2C%20%0D%0Apourraient%20nous%20apprendre%20que%20ces%20ondes%20sont%20affect%E9es%20%E0%20l%27%E9chelle%20cosmologique%20%0D%0Apar%20l%27%E9nergie%20noire.%20De%20quoi%2C%20peut-%EAtre%2C%20mieux%20comprendre%20ce%20grand%20myst%E8re%20de%20%0D%0Al%27univers.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%3Cb%3ENota%20Bene%20%3A%20pour%20un%20meilleur%20confort%20auditif%2C%20j%27ai%20rehauss%E9%20le%20son%20de%20cette%20vid%E9o%20de%209%20dB.%3C%2Fb%3E%3C%2Fp%3E
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Astronomie, cosmologie, relativité, et espace-temps :comment détecter des ondes gravitationnelles ? par Olivier Pujol |
%3Cp%20align%3D%22justify%22%3EBien%20que%20cela%20fasse%20d%E9j%E0%20plusieurs%20ann%E9es%20que%20le%20MIT%20%0D%0Atravaille%20sur%20le%20robot%20Cheetah%2C%20les%20chercheurs%20de%20ce%20laboratoire%20am%E9ricain%20ont%20%0D%0Ar%E9ussi%20de%20le%20rendre%20capable%20de%20d%E9tecter%20des%20obstacles%20et%20de%20sauter%20par-dessus%2C%20%0D%0Acomme%20un%20%E0%20saute-mouton.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3EIl%20arrive%20aussi%20%E0%20se%20mouvoir%20sur%20des%20terrains%20accident%E9s%20%E0%2016%20%0D%0Akm%2Fh.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%C9tonnant.%3C%2Fp%3E
Évaluée
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Technologie étonnante : Cheetah 2, le robot du MIT qui saute les obstacles comme un mouton |
%3Cp%20align%3D%22center%22%3E%0D%0A%3Cimg%20border%3D%220%22%20src%3D%22IMAGES%2Finfinity.jpg%22%20width%3D%22550%22%20height%3D%22256%22%3E%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%26nbsp%3B%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3EL%27infini%20en%20math%E9matiques%20est%20il%20vraiment%20ind%E9passable%20%3F%20Y%20%0D%0Aa-t-il%20des%20infinis%20plus%20gros%20que%20les%20autres%20%3F%20Ou%20plus%20petits%20%3F%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22center%22%3E%0D%0A%3Cimg%20border%3D%220%22%20src%3D%22IMAGES%2FHilbert-Infinity-Buses.jpg%22%20width%3D%22900%22%20height%3D%22255%22%3E%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3EGr%E2ce%20%E0%20l%27h%F4tel%20et%20les%20bus%20de%20Hilbert%20et%20les%20constructions%20de%20%0D%0ACantor%20et%20son%20hypoth%E8se%20du%20continu%2C%20vous%20allez%20tout%20comrpendre.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%C0%20voir%20%21%3C%2Fp%3E
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Mathématiques, nombres, et ensembles : l'infini - Science étonnante |
%3Cp%3EUne%20nouvelle%20forme%20de%20t%E9lescope%20qui%20va%20permettre%20de%20d%E9couvrir%20plein%20de%20choses%20%E9tonnantes.%3Cbr%3E%3Cbr%3EAffaire%20%E0%20suivre...%3C%2Fp%3E
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Astronomie : le nouveau télescope Santilli permet de voir l'invisible et de nouveaux objets énigmatiques dans le ciel et sur la Terre par la captation de photons d'antimatière |
%3Cp%20align%3D%22center%22%3E%0D%0A%3Cimg%20border%3D%221%22%20src%3D%22IMAGES%2Fdeformation_espace_temps_terre_lune.jpg%22%20width%3D%22640%22%20height%3D%22395%22%3E%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%26nbsp%3B%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%3Cu%3E%3Cb%3E%3Cfont%20size%3D%225%22%3ESynopsis%20%3A%3C%2Ffont%3E%3C%2Fb%3E%3C%2Fu%3E%3C%2Fp%3E%0D%0A%3Cblockquote%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3EEtienne%20Klein%2C%20philosophe%20et%20physicien%20au%20CEA%2C%20d%E9crypte%20%0D%0A%09les%20grandes%20%E9tapes%20de%20la%20d%E9couverte%20et%20la%20mise%20en%20%E9quations%20de%20la%20relativit%E9%20%0D%0A%09g%E9n%E9rale%20par%20Albert%20Einstein.%20Il%20r%E9pond%20ainsi%20aux%20questions%20%3A%20la%20relativit%E9%20%0D%0A%09restreinte%20%E9tait-elle%20un%20pr%E9alable%20indispensable%20%E0%20la%20relativit%E9%20g%E9n%E9rale%20%3F%20%0D%0A%09La%20th%E9orie%20de%20la%20relativit%E9%20g%E9n%E9rale%20est-elle%20l%92%9Cuvre%20majeure%20d%92Albert%20%0D%0A%09Einstein%20%3F%20Un%20si%E8cle%20apr%E8s%20la%20publication%20de%20la%20relativit%E9%20g%E9n%E9rale%2C%20la%20%0D%0A%09physique%20quantique%20et%20la%20relativit%E9%20sont-elles%20toujours%20incompatibles%26nbsp%3B%3F%3C%2Fp%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3ESource%20%3A%20CEA.%3C%2Fp%3E%0D%0A%3C%2Fblockquote%3E%0D%0A%3Cp%20align%3D%22justify%22%3EDeux%20remarques%20%3A%3C%2Fp%3E%0D%0A%3Cblockquote%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3E1%29%20%C9tienne%2C%20c%27est%20absurde%20et%20un%20peu%20nigaud%20d%27invoquer%20un%20%0D%0A%09Titan%20tirant%20sur%20la%20capsule%20pour%20l%27acc%E9l%E9rer%20%3A%20parler%20d%27un%20moteur-fus%E9e%20sur%20%0D%0A%09la%20capsule%20aurait%20%E9t%E9%20bien%20plus%20logique%20et%20produit%20le%20m%EAme%20effet%20%28petit%20%0D%0A%09d%E9tail%20%E0%20retenir%20pour%20les%20prochaines%20fois%29.%3C%2Fp%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3E2%29%20%C9tienne%20nous%20dit%20que%20dans%20le%20vide%20une%20personne%20tombe%20%0D%0A%09avec%20son%20parapluie%20et%20son%20chapeau%2C%20tous%20%E0%20la%20m%EAme%20vitesse%20%28ok%20avec%20%E7a%29%2C%20sous%20%0D%0A%09l%27action%20de%20leurs%20poids.%20Oui%2C%20mais%20le%20poids%20P%20%3D%20mG%2C%20donc%20P%20est%20une%20force%20qui%20%0D%0A%09varie%20selon%20la%20masse%20de%20l%27objet%20consid%E9r%E9.%20Cela%20signifie%20que%20le%20poids%20de%20la%20%0D%0A%09personne%20est%20plus%20important%20que%20le%20poids%20du%20parapluie%2C%20lui%20m%EAme%20plus%20%0D%0A%09important%20que%20le%20poids%20du%20chapeau.%20Or%20ils%20tombent%20tous%20trois%20%E0%20la%20m%EAme%20%0D%0A%09vitesse...%20Comment%20expliquer%20ce%20paradoxe%20%3F%20Si%20vous%20avez%20la%20solution%20%E9crivez%20%0D%0A%09moi%20%21%20Merci.%3C%2Fp%3E%0D%0A%3C%2Fblockquote%3E%0D%0A%3Cp%20align%3D%22justify%22%3EUne%20excellente%20vid%E9o%2C%20bien%20didactique%20comme%20toujours%20avec%20%0D%0A%C9tienne%20Klein%2C%20et%20%E0%20la%20port%E9e%20de%20tous.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%C0%20voir%20%21%3C%2Fp%3E
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Physique : "1915 : Einstein publie la théorie de la relativité générale" par Étienne Klein |
%3Cp%20align%3D%22center%22%3E%0D%0A%3Cimg%20border%3D%221%22%20src%3D%22IMAGES%2Fintrication_quantique_des_a_jouer.jpg%22%20width%3D%22537%22%20height%3D%22200%22%3E%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%26nbsp%3B%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3EAu%20menu%20%3A%20le%20spin%2C%20les%20%E9tats%20intriqu%E9s%2C%20le%20paradoxe%20EPR%20%0D%0Ad%27Einstein-Podolsky-Rosen%2C%20les%20in%E9galit%E9s%20de%20Bell%2C%20les%20th%E9ories%20%E0%20variables%20%0D%0Acach%E9es%20et%20l%27exp%E9rience%20d%27Alain%20Aspect.%20Tout%20%E7a%20%21%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3ECela%20dit%2C%20je%20pense%20qu%27il%20manque%20quelque%20chose.%20Je%20suis%20%E9tonn%E9%20%0D%0Aque%20personne%20n%27ait%20pas%20pens%E9%20%E0%20une%20ou%20des%20dimensions%20sup%E9rieures%20pour%20expliquer%20%0D%0Ale%20lien%20entre%20les%20particules.%20Dans%20le%20monde%20physique%2C%20deux%20particules%20intriqu%E9es%20%0D%0Apeuvent%20%EAtre%20s%E9par%E9es%2C%20mais%20li%E9es%20dans%20une%20dimension%20suppl%E9mentaire%2C%20ce%20qui%20%0D%0Aexplique%20l%27effet%20de%20la%20mesure%20d%27une%20particule%20sur%20sa%20jumelle.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3EUne%20excellente%20vid%E9o%20d%27initiation%20%E0%20l%27intrication%20quantique.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%3Cb%3ENota%20Bene%20%3A%20l%27article%20compl%E9mentaire%20dont%20parle%20le%20%0D%0Apr%E9sentateur%20est%0D%0A%3Ca%20target%3D%22_blank%22%20href%3D%22https%3A%2F%2Fsciencetonnante.wordpress.com%2F2016%2F01%2F22%2Flintrication-quantique-video%2F%22%3E%0D%0A%5Bici%5D%3C%2Fa%3E%20%28%3Cimg%20border%3D%220%22%20src%3D%22IMAGES%2FNouvelle%2520Fenetre%252025x25.jpg%22%20align%3D%22absmiddle%22%20width%3D%2225%22%20height%3D%2225%22%3E%29.%3C%2Fb%3E%3C%2Fp%3E
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"L'intrication quantique - Science étonnante" |
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Matériau, comment c'est fait ? L'étonnant processus industriel de la fabrication du verre et son recyclage |
%3Cp%20align%3D%22center%22%3E%0D%0A%3Cimg%20border%3D%221%22%20src%3D%22IMAGES%2Fparking_tour.jpg%22%20width%3D%22818%22%20height%3D%22548%22%3E%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%26nbsp%3B%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3EFranchement%2C%20vu%20le%20co%FBt%20de%20tels%20parkings%2C%20je%20me%20demande%20%0D%0Apourquoi%20on%20les%20a%20construit.%20Encore%20le%20deuxi%E8me%20semble%20tr%E8s%20optimis%E9%20et%20poss%E8de%20%0D%0Aune%20grande%20capacit%E9%2C%20mais%20le%20premier%20me%20semble%20le%20d%E9lire%20d%27un%20multi-millionnaire.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3EDes%20parkings%20comme%20on%20en%20voit%20que%20tr%E8s%20rarement.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%C9tonnant%20%21%3C%2Fp%3E
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Garer sa voiture : d'étonnants parkings automatisés en tour ou souterrains |
%3Cp%20align%3D%22center%22%3E%0D%0A%3Cimg%20border%3D%221%22%20src%3D%22IMAGES%2Fcalmar_de_bouyer.jpg%22%20width%3D%22800%22%20height%3D%22607%22%20vspace%3D%227%22%3E%3Cbr%3E%0D%0A%3Cb%3ELes%20calmars%20g%E9ants%20d%E9crits%20par%20nombre%20de%20l%E9gendes%20marines%2C%20ne%20sont%20pas%20des%20%0D%0Afantaisies%20%3A%20ils%20existent%20bel%20et%20bien.%3C%2Fb%3E%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%26nbsp%3B%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3ECette%20vid%E9o%20a%20%E9t%E9%20film%E9e%20par%20des%20plongeurs%20japonais%20dans%20une%20%0D%0Ar%E9gion%20connue%20pour%20ses%20m%E9duses%20fluorescentes.%20Mais%20la%20veille%20de%20No%EBl%2C%20%0D%0Ac%27est%20un%20autre%20visiteur%20tout%20%E0%20fait%20inattendu%20qui%20s%27est%20invit%E9%20dans%20la%20baie%20de%20Toyama%2C%20%0D%0Asur%20la%20c%F4te%20occidentale%20du%20Japon%26nbsp%3B%3A%20un%20calmar%20g%E9ant%20de%20plus%20de%20quatre%20m%E8tres%2C%20s%27est%20tranquillement%20promen%E9%20le%2024%20D%E9cembre%20%E0%20quelques%20encablures%20des%20bateaux%20%0D%0Aamarr%E9s%20dans%20le%20port.%20Un%20%E9v%E9nement%20exceptionnel%20car%20les%20rencontres%20avec%20ces%20%0D%0Ag%E9ants%20des%20mers%20sont%20extr%EAmement%20rares%2C%20encore%20plus%20%E0%20proximit%E9%20des%20c%F4tes.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22center%22%3E%0D%0A%3Cimg%20border%3D%221%22%20src%3D%22IMAGES%2Fcalmar_geant_comparaison.jpg%22%20width%3D%22990%22%20height%3D%22581%22%20vspace%3D%227%22%3E%3Cbr%3E%0D%0A%3Cb%3EUn%20tableau%20tr%E8s%20instructif%20montrant%20les%20%E9chelles%20de%20diverses%20cr%E9atures%20%0D%0Amarines.%3C%2Fb%3E%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3EJe%20dois%20dire%20que%20les%20plongeurs%20qui%20ont%20r%E9alis%E9%20cette%20vid%E9o%20%0D%0Asont%20soit%20fous%2C%20soit%20inconscients%20%3A%20un%20telle%20b%EAte%20a%20suffisamment%20de%20force%20pour%20%0D%0Ales%20attraper%20violemment%20et%20les%20porter%20%E0%20son%20bec%20en%20deux%20temps%20trois%20mouvement%20%0D%0A%28Un%20%3Ca%20target%3D%22_blank%22%20href%3D%22https%3A%2F%2Ffr.wikipedia.org%2Fwiki%2FCalmar%22%3Ecalmar%3C%2Fa%3E%20%28%3Cimg%20border%3D%220%22%20src%3D%22IMAGES%2FNouvelle%2520Fenetre%252025x25.jpg%22%20align%3D%22absmiddle%22%20width%3D%2225%22%20height%3D%2225%22%3E%29%20a%20%0D%0Aune%20bouche%20sp%E9ciale%20sous%20la%20forme%20d%27un%20bec%20corn%E9%2C%20situ%E9%20%E0%20l%27extr%E9mit%E9%20de%20%0D%0Al%27orifice%20buccal%2C%20form%E9%20de%20deux%20mandibules%29.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3EDes%20images%20impressionnantes%2C%20malgr%E9%20le%20fait%20que%20ce%20calmar%20%0D%0An%27est%20pas%20parmi%20les%20plus%20gros%20rep%E9r%E9s.%20On%20estime%20que%20dans%20certaines%20abysses%20%0D%0Aoc%E9aniques%2C%20il%20y%20a%20de%20v%E9ritables%20monstres%2C%20car%20on%20a%20retrouv%E9%20sur%20des%20cachalot%20%0D%0Ades%20traces%20de%20ventouses%20gigantesques%2C%20vestiges%20d%27%E2pres%20luttes%20se%20d%E9roulant%20au%20%0D%0Aplus%20profond%20des%20mers.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%C0%20voir%20%21%3C%2Fp%3E
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Impressionnant : un calamar géant a été filmé dans un port japonais |
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Mathématiques : "Et si le théorème de Pythagore n'était pas vrai ?" par Étienne Ghys |
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Physique : "Existe-t-il un temps quantique ?", une interview avec Étienne Klein |
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Sécurité, protection, et innovation : les étonnants lits anti-séismes pour dormir tranquille pendant les tremblements de terre |
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Innovation : l'Aero-X d'Aerofex, une moto volante étonnante, ou l'hoverbike de Star Wars sur le point de devenir une réalité |
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Informatique, simplicité, complexité, émergence, imprédictibilité et indécidabilité : La fourmi de Langton - Science étonnante |
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Démentiel : transports : les russes veulent construire une autoroute de 20.000 kilomètres pour relier Paris, Moscou, et New York, en voiture |
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Première étonnante dans l'histoire spatiale et technologique : une fusée réutilisable réatterrit après avoir atteint la frontière de l’espace 23 Novembre 2015 |
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"Science étonnante - Les trous noirs" |
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Aviation étonnante : le JB-9, le premier jetpack personnel au monde à voler à plus de 100 km/h |
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Innovation technologique et inventivité : Raymond Wang, un adolescent doué qui veut aider et changer le monde |
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Physique quantique, relativité, et astrophysique : comment le LHC du CERN engendre des minis trous noirs (et l'immense possible danger qui en découle de disparition de l'Humanité et de la Terre toute entière) |
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Physique des ondes sonores et de la lumière : "L'effet Doppler en 2 minutes" par ScienceClic |
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Des astronomes prédisent le retour de la planète géante Némésis (appelée aussi Nibiru ou Hercolubus) : pluies de comètes, catastrophes planétaires, et fin du monde, en vue ! |
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Mathématiques : des nombres grands, TRÈS grands |
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Astrophysique : mythes et légendes autour des trous noirs, et réalité |
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Physique et relativité : "Peut-on voyager dans le temps ?", une conférence d'Étienne Klein - 14 Octobre 2008 |
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Cosmologie et galaxies : le surprenant mystère des étoiles manquantes de la Voie Lactée |
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Relativité : comment l'immense gravité des planètes, des étoiles, et des trous noirs, déforme le tissus de l'espace-temps |
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Physique quantique : l'électromagnétisme, la colle de l'Univers |
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%20de%20fa%E7on%20%0D%0A%09naturelle%20mod%E8les%20cosmologiques.%20Les%20%E9quations%20qui%20d%E9crivent%20l%27expansion%20de%20%0D%0A%09l%27Univers%20d%E9pendent%20des%20propri%E9t%E9s%20de%20la%20ou%20des%20formes%20de%20mati%E8re%20qui%20%0D%0A%09emplissent%20l%27Univers.%20Elles%20s%27appellent%20%E9quations%20de%20Friedmann.%3C%2Fp%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3ESource%20%3A%20Wikipdia.%3C%2Fp%3E%0D%0A%3C%2Fblockquote%3E%0D%0A%3Cp%20align%3D%22center%22%3E%0D%0A%3Cimg%20border%3D%221%22%20src%3D%22IMAGES%2Fpossible%2520models%2520of%2520expansion.jpg%22%20width%3D%22800%22%20height%3D%22585%22%20vspace%3D%227%22%3E%3Cbr%3E%0D%0A%3Cb%3ELes%20diff%E9rents%20mod%E8les%20possibles%20d%27expansion%20de%20l%27Univers.%3C%2Fb%3E%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3EClair%2C%20simple.%20didactique.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%C0%20voir%20%21%3C%2Fp%3E
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Cosmologie et relativité : pourquoi dit-on que l'Univers est en expansion ? |
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Aviation civile : "Airbus A350 : la nouvelle star des airs" |
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Cosmologie et physique quantique : l'énigme de l'antimatière et la naissance de l'Univers |
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Simulation informatique : ce que verrait l'oeil de Dieu des galaxies et de l'Univers |
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%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3EAffaire%20%E0%20suivre...%3C%2Fp%3E
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Nouvelle énigme en astronomie et en astrophysique : la fusion de trous noirs ne semble pas émettre d'ondes gravitationnelles et perturber la périodicité des signaux radio des pulsars |
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Astronomie et astrophysique : les sursauts gamma des étoiles, la mort venue du ciel |
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Astronomie et astrophysique de la vie et de la mort des étoiles : séquence principale, géantes rouges, naine blanches, supernovae, et trous noirs |
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Mathématiques étonnantes : les fractales et quelques unes de leurs propriétés |
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Cryptographie et mathématiques : "Science étonnante : les codes secrets" |
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Physique, mathématiques, et informatique : "Déterminisme et imprédictibilité" par Hervé Zwirn Festival d'astronomie de Fleurance - Août 2013 |
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"Passe-science #4 - Trou Noir" ou les étranges orbites dues à l'effet Lense-Thirring autour d'un trou noir de Kerr |
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Mathématiques : le nombre d'or (Phi) et ses propriétés |
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"Voyage dans un trou noir" ou les étranges phénomènes visuels d'une descente dans le coeur d'un trou noir de Schwarzschild |
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"La naissance d'un trou noir" ou la longue aventure scientifique des sursauts gamma |
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Histoire de la physique :"La révolution quantique" par Étienne Klein |
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%20Stephen%20%0D%0A%09Hawking%2C%20une%20telle%20singularit%E9%20est%20un%20point%20au-del%E0%20duquel%20une%20g%E9od%E9sique%20ne%20%0D%0A%09peut%20%EAtre%20prolong%E9e.%3C%2Fp%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3ELa%20description%20de%20telles%20r%E9gions%20n%27est%20pas%20possible%20dans%20le%20cadre%20de%20la%20%0D%0A%09relativit%E9%20g%E9n%E9rale%2C%20ce%20qui%20n%27emp%EAche%20pas%20cette%20derni%E8re%20d%27%EAtre%20en%20mesure%20de%20%0D%0A%09pr%E9dire%20que%20de%20telles%20configurations%20peuvent%20se%20former%20dans%20l%27univers.%20Par%20%0D%0A%09exemple%2C%20la%20formation%20d%27un%20trou%20noir%20va%20de%20pair%20avec%20l%27apparition%20d%27une%20%0D%0A%09singularit%E9%20gravitationnelle%20en%20son%20sein.%20L%27univers%20observable%20est%20issu%20%0D%0A%09d%27une%20phase%20dense%20et%20chaude%2C%20le%20Big%20Bang.%20Cette%20phase%20dense%20et%20chaude%20%0D%0A%09pourrait%20elle%20aussi%20%EAtre%20issue%20d%27une%20singularit%E9%20gravitationnelle.%3C%2Fp%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3ELe%20comportement%20d%27une%20singularit%E9%20gra%3Cfont%20color%3D%22%23FF0000%22%20face%3D%22arial%22%20size%3D%225%22%3E%3Cspan%20style%3D%22background-color%3A%20%23FFFFCC%22%3E%3Cb%3E%20%5B...%5D%3C%2Fb%3E%3C%2Fspan%3E%3C%2Ffont%3E
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Tomber dans un trou noir : les étranges phénomènes de la spaghettification et de la singularité |
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L'étude du trou noir supermassif au centre de la Galaxie avec l'interféromètre GRAVITY, une conférence de Guy Perrin - 11 Décembre 2012 |
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Le télescope Event Horizon, un réseau mondial d'antennes pour tenter de voir pour la première fois le trou noir supermassif niché au centre de notre galaxie |
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Gravitation, relativité, et physique quantique : Jean-Pierre Luminet sur l'évaporation des micro trous noirs et le rayonnement de (Stephen) Hawking |
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"La forme de l'espace : des trous noirs à l'Univers chiffonné" par Jean-Pierre Luminet - 11 janvier 2011 |
%3Cp%20align%3D%22center%22%3E%0D%0A%3Cimg%20border%3D%221%22%20src%3D%22IMAGES%2Ftrou_noir_riazuelo.jpg%22%20width%3D%221024%22%20height%3D%22725%22%3E%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%26nbsp%3B%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3EUne%20vid%E9o%20superbe%2C%20racontant%20ce%20qui%20se%20produirait%20si%20un%20trou%20%0D%0Anoir%20errant%20venait%20%E0%20p%E9n%E9trer%20notre%20syst%E8me%20solaire.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3EGarre%20%E0%20vos%20fesses%20%21%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3EUn%20must%20%21%3C%2Fp%3E
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Spectaculaire et terrifiant : ce qui arriverait à la Terre si un trou noir pénétrait dans notre système solaire |
%3Cp%20align%3D%22justify%22%3ECe%20qui%20%E9tonne%20les%20astronomes%20et%20les%20cosmologistes%2C%20c%27est%20%0D%0Acomment%20un%20tel%20trou%20noir%20a%20pu%20se%20former%20aussi%20t%F4t.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3EIl%20est%20bien%20%E9videment%20que%20si%20on%20arrive%20%E0%20trouver%20des%20trous%20%0D%0Anoirs%20aussi%20massif%20form%E9s%20aussi%20t%F4t%20dans%20l%27histoire%20de%20l%27Univers%2C%20alors%20il%20doit%20%0D%0Aen%20exister%20certains%20qui%20doivent%20%EAtre%20encore%20plus%20gigantesques%2C%20ayant%20eu%20le%20%0D%0Aloisir%20de%20grossir%20depuis%20tout%20ce%20temps.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%C0%20conna%EEtre.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%3Cb%3ENota%20Bene%20%3A%20pour%20un%20meilleur%20confort%20auditif%2C%20j%27ai%20rehauss%E9%20le%20son%20de%20cette%20vid%E9o%20de%205%20dB.%3C%2Fb%3E%3C%2Fp%3E
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Découverte d'un trou noir supermassif, dont le QUASAR brille comme 40.000 fois notre Voie Lactée - Février 2015 |
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Un trou noir supermassif gigantesque découvert dans la galaxie NGC 1277 avec Jean-Pierre Luminet - 29 Novembre 2012 |
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"Aux frontières de la science - Vivre sans la Lune" |
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Hyper-décevant : lorsque Jacques Grimault raconte n'importe quoi sur une photographie prise sur la Lune lors de la mission Apollo 11 de la NASA |
%3Cp%20align%3D%22justify%22%3ECette%20vid%E9o%20pr%E9sente%20des%20plan%E8tes%20et%20des%20%E9toiles%20pour%20nous%20%0D%0Apermettre%20de%20voir%20combien%20la%20Terre%20n%27est%20rien%20dans%20cet%20Univers%20incommensurable.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3EAlors%20nous%2C%20que%20sommes%20nous%20%3F%20Des%20microbes...%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3EUne%20vid%E9o%20splendide.%20Un%20must.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%C0%20voir%20absolument.%3C%2Fp%3E
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Étonnant et spectaculaire : une magnifique comparaison de la taille des planètes et des étoiles |
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"Mais où est donc le petit côté ?" ou quelques explications didactiques sur la Loi optique de Snell-Descartes créant des illusions par réfraction de la lumière |
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Must
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"Histoires d'étoiles" ou la naissance et l'évolution du Soleil et des étoiles |
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En Camargue, des bornes anti-moustiques imitant la respiration humaine ont fait leur apparition |
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Exploration spatiale : l'EmDrive, un moteur spatial révolutionnaire sans carburant testé par la NASA qui défie les lois de la physique [MAJ le 6 AVril 2021] : le mystère est résolu |
%3Cp%20align%3D%22justify%22%3EUne%20jolie%20vid%E9o%20sur%20un%20bel%20avion%20majestueux.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%C0%20voir%20%21%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%3Cb%3ENota%20Bene%20%3A%20la%20vid%E9o%20suivante%20poss%E8de%20un%20flux%20Full%20HD%20%281920x1080%29%2C%20alors%20pensez%20%E0%20mettre%20le%20lecteur%20en%20plein%20%E9cran%20pour%20en%20profiter%20pleinement.%3C%2Fb%3E%3C%2Fp%3E
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Aviation civile : Boeing prépare le Dreamliner 787-9 pour le salon du Bourget de 2015 |
%3Cp%20align%3D%22center%22%3E%0D%0A%3Cimg%20border%3D%221%22%20src%3D%22IMAGES%2FAirbus%2520A380.jpg%22%20width%3D%221203%22%20height%3D%22633%22%3E%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%26nbsp%3B%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%3Cu%3E%3Cb%3E%3Cfont%20size%3D%225%22%3ESynopsis%20%3A%3C%2Ffont%3E%3C%2Fb%3E%3C%2Fu%3E%3C%2Fp%3E%0D%0A%3Cblockquote%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3EL%92A380%20est%20un%20avion%20hors-normes.%20De%20la%20tr%E8s%20%E9litiste%20%0D%0A%09classe%20%94Premi%E8re%94%20aux%20vastes%20cuisines%20o%F9%20sont%20pr%E9par%E9s%20les%20repas%20des%20500%20%0D%0A%09passagers%2C%20de%20la%20cabine%20de%20pilotage%20au%20travail%20du%20technicien%20qui%20doit%20g%E9rer%20%0D%0A%09une%20fuite%20de%20k%E9ros%E8ne%20de%20derni%E8re%20minute%2C%20Sept%20%E0%20Huit%20a%20eu%20acc%E8s%20%E0%20toutes%20%0D%0A%09les%20%E9tapes%20du%20vol%20qui%20va%20amener%20ce%20g%E9ant%20des%20airs%20de%20Paris%20%E0%20New%20York.%20%0D%0A%09Incidents%20compris.%3C%2Fp%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3ESource%20%3A%20Programme%20TV.%3C%2Fp%3E%0D%0A%3C%2Fblockquote%3E%0D%0A%3Cp%20align%3D%22justify%22%3EUne%20vid%E9o%20sympathique%20sur%20un%20avion%20exceptionnel.%20C%27est%20%0D%0A%E9tonnant%20et%20merveilleux%20ce%20que%20le%20g%E9nie%20humain%20arrive%20%E0%20concevoir%20et%20%E0%20%0D%0Aconstruire.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%C0%20voir%20%21%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%3Cb%3ENota%20Bene%20%3A%20pour%20un%20meilleur%20confort%20auditif%2C%20j%27ai%20rehauss%E9%20le%20son%20de%20cette%20vid%E9o%20de%205%20dB.%3C%2Fb%3E%3C%2Fp%3E
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Aviation civile : l'Airbus A380, le géant des airs |
%3Cp%20align%3D%22center%22%3E%0D%0A%3Cimg%20border%3D%221%22%20src%3D%22IMAGES%2FGalileo_Galilei.jpg%22%20width%3D%22400%22%20height%3D%22503%22%3E%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%26nbsp%3B%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%3Cu%3E%3Cb%3E%3Cfont%20size%3D%225%22%3ESynopsis%20%3A%3C%2Ffont%3E%3C%2Fb%3E%3C%2Fu%3E%3C%2Fp%3E%0D%0A%3Cblockquote%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3EGalil%E9e%20est%20celui%20qui%20a%20pos%E9%20les%20bases%20th%E9oriques%20et%20%0D%0A%09exp%E9rimentales%20de%20la%20science%20moderne.%20Ses%20propres%20d%E9couvertes%20furent%20%0D%0A%09d%E9terminantes%2C%20certes%2C%20mais%20il%20y%20a%20plus%20encore%20%3A%20sa%20fa%E7on%20de%20penser%20la%20%0D%0A%09nature%20a%20ouvert%20une%20br%E8che%20%E9pist%E9mologique%20extraordinairement%20f%E9conde.%20En%20%0D%0A%09quoi%20celle-ci%20a-t-elle%20consist%E9%26nbsp%3B%3F%3C%2Fp%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3EPhysicien%20fran%E7ais%2C%20ancien%20%E9l%E8ve%20de%20Centrale%20Paris%20et%20%0D%0A%09chroniqueur%20sur%20France-Culture%2C%20%C9tienne%20Klein%20aborde%20les%20grandes%20r%E9volutions%20%0D%0A%09scientifiques.%20L%27influence%20de%20Galil%E9e%20sur%20la%20science%20moderne%2C%20la%20question%20%0D%0A%09cruciale%20de%20l%27irr%E9versibilit%E9%20du%20temps%2C%20la%20th%E9orie%20de%20la%20relativit%E9%20%0D%0A%09d%27Einstein%20et%20les%20grands%20principes%20de%20gravitation%2C%20la%20notion%20de%20masse%20ou%20la%20%0D%0A%09r%E9cente%20d%E9couverte%20en%202012%20du%20boson%20de%20Higgs...%20%C9tienne%20Klein%20vous%20invite%20%E0%20%0D%0A%09le%20suivre%20dans%20les%20m%E9andres%20de%20la%20cosmologie%20contemporaine.%20Vous%20sortez%20du%20%0D%0A%09travail%20et%20vous%20voil%E0%20initi%E9%20aux%20myst%E8res%20de%20la%20science.%20De%20quoi%20d%E9velopper%20%0D%0A%09avec%20la%20connaissance%20scientifique%20de%20nouveaux%20atomes...%20...%20crochus.%3C%2Fp%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3ESource%20%3A%20Parenth%E8se%20culture.%3C%2Fp%3E%0D%0A%3C%2Fblockquote%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%C9tienne%20Klein%2C%20grand%20didacticien%20devant%20l%27%C9ternel%2C%20nous%20livre%20ici%20une%20conf%E9rence%20absolument%20%0D%0Apassionnante.%20L%27exemple%20de%20l%27exp%E9rience%20de%20pens%E9e%20de%20Galil%E9e%20contredisant%20%0D%0Al%27observation%20est%20tout%20%E0%20fait%20embl%E9matique%2C%20merveilleuse%2C%20et%20riche%20%0D%0Ad%27enseignements.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3EUn%20must%20%E0%20voir%20absolument%20%21%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%C0%20ne%20rater%20sous%20aucun%20pr%E9texte%20%21%3C%2Fp%3E
Must
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"La physique moderne : de quoi Galilée est-il le nom ?" par Étienne Klein |
%3Cp%3EUne%20conf%E9rence%20passionnante%2C%20et%20tr%E8s%20didactique.%3C%2Fp%3E%0D%0A%3Cp%3E%C0%20voir%20%21%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%3Cb%3ENota%20Bene%20%3A%20pour%20un%20meilleur%20confort%20auditif%2C%20j%27ai%20rehauss%E9%20le%20son%20de%20cette%20vid%E9o%20de%204%20dB.%3C%2Fb%3E%3C%2Fp%3E
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Les lasers de l'extrême par Philippe Balcou |
%3Cp%20align%3D%22center%22%3E%0D%0A%3Cimg%20border%3D%221%22%20src%3D%22IMAGES%2Fbig-bang-by-darkshadowinme.jpg%22%20width%3D%22900%22%20height%3D%22600%22%3E%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%26nbsp%3B%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%3Cu%3E%3Cfont%20size%3D%225%22%3E%3Cb%3ESynopsis%3C%2Fb%3E%3C%2Ffont%3E%3Cb%3E%3Cfont%20size%3D%225%22%3E%20%3A%3C%2Ffont%3E%3C%2Fb%3E%3C%2Fu%3E%3C%2Fp%3E%0D%0A%3Cblockquote%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3EIl%20y%20a%2014%20milliards%20d%27ann%E9es%2C%20le%20big%20bang%20aboutit%20%E0%20la%20%0D%0A%09cr%E9ation%20de%20notre%20univers.%20La%20cosmologie%20actuelle%20a%20produit%20une%20cartographie%20%0D%0A%09de%20l%27univers%2C%20%E9tudi%E9e%20et%20discut%E9e%20par%20les%20experts%20et%20les%20profanes.%3C%2Fp%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3EMais%2C%20une%20nouvelle%20g%E9n%E9ration%20de%20scientifiques%20remet%20en%20%0D%0A%09cause%20toutes%20nos%20croyances%20sur%20le%20cosmos.%20Ces%20chercheurs%20tentent%20de%20savoir%20%0D%0A%09s%27il%20existe%20une%20r%E9alit%E9%20plus%20vaste%20encore.%3C%2Fp%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3ELes%20th%E9ories%20existantes%20pourraient-elles%20se%20r%E9v%E9ler%20%0D%0A%09erron%E9es%20%3F%3C%2Fp%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3ELe%20Big%20Bang%20Au%20Placard%20et%20r%E9alis%E9%20par%20Rob%20Liddell%20et%20la%20%0D%0A%09narration%20est%20de%20Anne-Sophie%20Nallino.%3C%2Fp%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3ELe%20titre%20original%20de%20ce%20documentaire%20est%20Is%20Everything%20We%20%0D%0A%09Know%20About%20the%20Universe%20Wrong%3F%20et%20f%FBt%20diffus%E9%20%E0%20la%20BBC%3C%2Fp%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3ESource%20%3A%20Programme%20TV.%3C%2Fp%3E%0D%0A%3C%2Fblockquote%3E%0D%0A%3Cp%20align%3D%22justify%22%3ECette%20vid%E9o%20n%27a%20pas%20encore%20%E9t%E9%20%E9valu%E9e.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%3Cb%3ENota%20Bene%20%3A%20pour%20un%20meilleur%20confort%20auditif%2C%20j%27ai%20rehauss%E9%20le%20son%20de%20cette%20vid%E9o%20de%20%0D%0A7%20dB.%3C%2Fb%3E%3C%2Fp%3E
Évaluée
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"Le Big Bang au placard" |
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Étonnant : un africain a développé un robot-chien à partir de matériaux de récupération |
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Voyage dans le système solaire : du Soleil à Jupiter à la vitesse de la lumière |
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Robots : l'incroyable automatisation du centre de remplissage d'Amazon |
%3Cp%20align%3D%22center%22%3E%0D%0A%3Cimg%20border%3D%220%22%20src%3D%22IMAGES%2FROCO-BB-9250.jpg%22%20width%3D%22600%22%20height%3D%22281%22%3E%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%26nbsp%3B%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3EIl%20suffisait%20d%27y%20penser...%3C%2Fp%3E
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Étonnant : comment réaliser un petit train électrique avec une bobine de fil de cuivre et des piles ? |
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Mathématiques très étonnantes et un peu démentielles : la somme infinie des entiers naturels 1+2+3+ ... +∞ vaudrait -1/12 |
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L'alternateur, ou comment convertir de l'énergie mécanique en électricité |
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Gravité : l'expérience des plumes et de la boule de bowling en chute libre dans la plus grande chambre à vide du monde |
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Étonnant : l'AeroMobil, une voiture volante slovaque très désign et prometteuse, destinée au grand public |
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Les piles à combustible à hydrogène : une technologie d'énergie qui se développe pour les vélos et les voitures électriques |
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Innovation étonnante : Hendo, un hoverboard véritable, destiné promouvoir les technologies de lévitation |
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Étonnant et rare : l'ESA a réussi à illuminer la station spatiale internationale avec un LASER et à la filmer depuis la Terre - 8 Octobre 2014 |
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Aviation moderne : le fonctionnement d'un turboréacteur d'un avion |
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Innovation : la Strati de Local Motors, la première voiture fonctionnelle au monde à avoir été imprimée en 3D - Septembre 2014 |
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Une course de drones pilotés grâce à des caméras embarquées et des lunettes de réalité virtuelle - Strasbourg |
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De l'utilité des téléphones satellites lors d'un effondrement économique globale ou d'une crise locale - Par Piero San Giorgio |
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Étonnant : un jeune de 18 ans invente un réveil olfactif et devient le premier français finaliste du google science fair |
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Champs magnétiques, lignes de champs, particules et vent solaire : une étonnante visualisation de forces que jamais pratiquement on ne voit |
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"L'eau et l'électromagnétisme : l'eau aurait-elle une mémoire ?" par le professeur Marc Henry - Hochfelden - 24 Juin 2014 |
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La représentation que nous nous faisons de notre système solaire est erronée : c'est un modèle hélicoïdal, un vortex |
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"CERN" : le plus grand centre du monde d'étude des particules et de la physique quantique (LHC) |
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Le vaisseau-sonde MAVEN de la NASA a réussi son insertion orbitale autour de Mars lui permettant ainsi d'étudier la climatologie et l'histoire de la planète rouge - 21 Septembre 2014 |
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Qui de l'oeuf ou la poule est venu en premier ? |
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Analyse des méthodes de lecture par les neurosciences : la méthode syllabique est meilleure que la méthode globale |
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Un drôle d'hélicoptère étonnant : le gyroptère |
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"Le génie français, le Naviplane et les BRICS !" par Solidarité & Progrès - Septembre 2014 |
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Mathématiques : "Adam Ries, père du calcul moderne" |
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Aviation du proche futur : les avions électriques (E-Fan, PPlane), la propulsion répartie, et le green taxiing |
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Avantages et inconvénients du moteur thermique et du moteur électrique |
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Des chercheurs on réussi une expérience numérique de pseudo-télépathie entre deux humains via Internet - 5 Septembre 2014 |
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Avions contre drones : le nombre croissant de drones civils et commerciaux commence à poser un sérieux problème de sécurité aérienne aux États-Unis - Août 2014 |
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Les étranges lumières et éclairs aperçus lors de certains tremblements de terre seraient des lumières d'origine sismique |
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Tromperies statistiques, mensonges, et indice révélateur : le médian et la répartition des richesses - par Lazarus |
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Évaluée
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Les grandes dates de la science et de la technique : Isaac Newton et la gravitation |
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Technologie, informatique, réseaux, et objets connectés : l'auto-assemblage programmable dans un essaim de 1.000 robots |
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L'espace devenu sonore ou l'étrange musique des planètes enregistrée par des sondes de la NASA |
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Petite révolution technologique dans le snorkeling : l'Easybreath de Tribord, un masque de plongée facial et sans buée - Version avec son rehaussé |
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Algopak, une société française qui fabrique du plastique biodégradable avec des algues - Version avec son rehaussé |
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"Comment fait-on ses besoins dans l'espace ?" ou les toilettes les plus chères du monde |
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Un joli décollage de la fusée Ariane 5 bien commenté - 29 Juillet 2014 |
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Métaux rares, batteries, et technologie : le lithium, une ressource naturelle essentielle de plus en plus demandée |
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GPS, LASER, bombe atomique, etc. : "Einstein et nous" |
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Énigme : un mystérieux trou ou cratère (probablement un sinkhole) apparaît dans le nord de la Sibérie et déconcerte les scientifiques - Juillet 2014 |
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"Jacques Benveniste - Science en eau trouble" : la mémoire de l'eau - Version avec son rehaussé |
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est%20pas%20%0D%0A%09forcement%20facile%20pour%20eux%20%BB%2C%20explique%20Marc%20Henry%2C%20professeur%20de%20chimie%20et%20de%20%0D%0A%09physique%20quantique%20%E0%20l%92universit%E9%20de%20Strasbourg.%20Pour%20le%20Pr%20Luc%20Montagnier%2C%20%0D%0A%09qui%20travaille%20d%E9j%E0%20sur%20des%20applications%20concernant%20le%20virus%20du%20sida%2C%20%0D%0A%09l%92autisme%2C%20certaines%20scl%E9roses%20en%20plaques%2C%20les%20maladies%20d%92Alzheimer%20et%20de%20%0D%0A%09Parkinson%2C%20les%20d%E9bouch%E9s%20sont%20immenses.%20Car%20cette%20d%E9couverte%20remettrait%20en%20%0D%0A%09cause%20l%92approche%20m%E9dicale%20actuelle%2C%20autant%20sur%20le%20plan%20du%20diagnostic%20que%20sur%20%0D%0A%09celui%20de%20la%20th%E9rapie%20%96%20le%20corps%20humain%20%E9tant%20compos%E9%20%E0%2070%20%25%20d%92eau.%20%AB%20Le%20jour%20%0D%0A%09o%F9%20l%92on%20admet%20donc%20que%20les%20ondes%20peuvent%20agir%2C%20on%20peut%20agir%20par%20les%20ondes%2C%20%0D%0A%09souligne%20Luc%20Montagnier.%20Et%20%E0%20ce%20moment-l%E0%2C%20on%20peut%20traiter%20par%20les%20ondes.%20%0D%0A%09C%92est%20un%20nouveau%20domaine%20de%20la%20m%E9decine%20qui%20%3Cfont%20color%3D%22%23FF0000%22%20face%3D%22arial%22%20size%3D%225%22%3E%3Cspan%20style%3D%22background-color%3A%20%23FFFFCC%22%3E%3Cb%3E%20%5B...%5D%3C%2Fb%3E%3C%2Fspan%3E%3C%2Ffont%3E
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Recherche : "On a retrouvé la mémoire de l'eau" - Version avec son rehaussé |
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Une impressionnante machine-outils à commande numérique multi-capacités qui sculpte le métal |
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Recherche, technologie, et racket légalisé : "La guerre des brevets" - Version avec son rehaussé |
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Imprimantes 3D : le premier FabLab rural de France - 29 Juin 2014 - Version avec son rehaussé |
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Étonnant : comment on découpe et on sculpte le granite et le marbre avec des robots dans les carrières italiennes |
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Un immense océan a été découvert sous la croûte terrestre - Juin 2014 |
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L'étonnante écluse à roue de Falkirk en timelapse |
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Puces électroniques : "Un capteur dans ma raquette" ou la prolifération des objets connectés dans le sport - Version avec son rehaussé |
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Astronomie et cosmologie : "Regards croisés sur les galaxies" par Jean-Charles Cuillandre et Pierre-Alain Duc - 3 Juin 2014 - Version avec son rehaussé |
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"Galilée - L’étude de la voie lactée", une histoire des découvertes sur notre galaxie - Version avec son rehaussé |
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Évaluée
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"Panique sur Terre - Les micros monstres" |
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Mathématique, logique, et informatique : "La drôle de guerre d'Alan Turing ou comment les maths ont vaincu Hitler" - Version avec son rehaussé |
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Cryptographie, cryptanalyse : "À quoi sert la cryptologie ?" - Version avec son rehaussé |
%3Cp%20align%3D%22center%22%3E%0D%0A%3Cimg%20border%3D%221%22%20src%3D%22IMAGES%2Fhistoire%2520electricite%2520-%25203.jpg%22%20width%3D%22940%22%20height%3D%22530%22%3E%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%26nbsp%3B%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3ECette%20vid%E9o%20est%20le%20troisi%E8me%20et%20dernier%20%E9pisode%2C%20r%E9alis%E9%20par%20%0D%0AAlex%20Freeman%20%0D%0Aen%202011%2C%20de%20la%20s%E9rie%20%26quot%3B%3Ci%3EL%27histoire%20de%20l%27%E9lectricit%E9%3C%2Fi%3E%26quot%3B.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%3Cu%3E%3Cb%3E%3Cfont%20size%3D%225%22%3ESynopsis%20%3A%3C%2Ffont%3E%3C%2Fb%3E%3C%2Fu%3E%3C%2Fp%3E%0D%0A%3Cblockquote%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3EComment%20l%27%E9lectricit%E9%20a%20connect%E9%20le%20monde%20via%20la%20%0D%0A%09radiodiffusion%20et%20les%20r%E9seaux%20informatiques%2C%20et%20retour%20sur%20les%20d%E9buts%20de%20%0D%0A%09l%92exploitation%20de%20l%27%E9lectricit%E9%20nucl%E9aire.%20Dernier%20%E9pisode%20de%20cette%20%0D%0A%09passionnante%20histoire%20de%20l%27%E9lectricit%E9%20racont%E9e%20par%20Jim%20Al-Khalili%2C%20%0D%0A%09professeur%20de%20physique%20nucl%E9aire%20et%20pr%E9sentateur%20vedette%20de%20la%20BBC.%3C%2Fp%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3ECe%20dernier%20%E9pisode%20raconte%20comment%20l%27%E9lectricit%E9%20a%20%0D%0A%09connect%E9%20le%20monde%20via%20la%20radiodiffusion%20et%20les%20r%E9seaux%20informatiques%2C%20et%20%0D%0A%09revient%20sur%20les%20d%E9buts%20de%20l%92exploitation%20de%20l%27%E9lectricit%E9%20nucl%E9aire.%3C%2Fp%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3EJim%20Al-Khalili%20retrace%20la%20d%E9couverte%20des%20ondes%20radio%2C%20de%20%0D%0A%09la%20machine%20%E9lectrostatique%20de%20Wimshurst%2C%20des%20mat%E9riaux%20supraconducteurs%2C%20de%20%0D%0A%09l%27%E9lectron%2C%20des%20micropuces%2C%20ainsi%20que%20l%27%E9mergence%20de%20la%20Silicon%20Valley.%3C%2Fp%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3ESource%20%3A%20Programme%20TV.%3C%2Fp%3E%0D%0A%3C%2Fblockquote%3E%0D%0A%3Cp%20align%3D%22justify%22%3EUn%20documentaire%20passionnant%20qui%20ravira%20tous%20les%20amoureux%20de%20la%20science.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%3Cb%3ENota%20Bene%20%3A%20pour%20un%20meilleur%20confort%20auditif%2C%20j%27ai%20%0D%0Arehauss%E9%20le%20son%20de%20cette%20vid%E9o%20de%207%20dB.%3C%2Fb%3E%3C%2Fp%3E
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"L'histoire de l'électricité - Épisode 3" - Version avec son rehaussé |
%3Cp%20align%3D%22center%22%3E%0D%0A%3Cimg%20border%3D%221%22%20src%3D%22IMAGES%2Fhistoire%2520electricite%2520-%25202.jpg%22%20width%3D%22940%22%20height%3D%22530%22%3E%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%26nbsp%3B%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3ECette%20vid%E9o%20est%20le%20deuxi%E8me%20%E9pisode%2C%20r%E9alis%E9%20par%20John%20Eastman%20%0D%0Aen%202011%2C%20de%20la%20s%E9rie%20%26quot%3B%3Ci%3EL%27histoire%20de%20l%27%E9lectricit%E9%3C%2Fi%3E%26quot%3B.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%3Cu%3E%3Cb%3E%3Cfont%20size%3D%225%22%3ESynopsis%20%3A%3C%2Ffont%3E%3C%2Fb%3E%3C%2Fu%3E%3C%2Fp%3E%0D%0A%3Cblockquote%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3EComment%2C%20en%20domestiquant%20la%20relation%20entre%20magn%E9tisme%20et%20%0D%0A%09%E9lectricit%E9%2C%20les%20scientifiques%20ont%20transform%E9%20le%20monde.%20Deuxi%E8me%20%E9pisode%20de%20%0D%0A%09cette%20passionnante%20histoire%20de%20l%27%E9lectricit%E9%20racont%E9e%20par%20Jim%20Al-Khalili%2C%20%0D%0A%09professeur%20de%20physique%20nucl%E9aire%20et%20pr%E9sentateur%20vedette%20de%20la%20BBC.%3C%2Fp%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3EIl%20y%20a%20tout%20juste%20deux%20cents%20ans%2C%20les%20scientifiques%20%0D%0A%09faisaient%20une%20d%E9couverte%20essentielle%20%3A%20l%27%E9lectricit%E9%20est%20li%E9e%20%E0%20une%20autre%20%0D%0A%09grande%20force%20naturelle%2C%20le%20magn%E9tisme.%3C%2Fp%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3EDans%20cet%20%E9pisode%2C%20qui%20d%E9marre%20au%20d%E9but%20du%20XIXe%20si%E8cle%2C%20%0D%0A%09Jim%20Al-Khalili%20explique%20comment%20l%27exploitation%20du%20lien%20entre%20ces%20deux%20forces%20%0D%0A%09a%20permis%20de%20produire%20une%20quantit%E9%20illimit%E9e%20d%27%E9lectricit%E9.%20Celle-ci%20a%20alors%20%0D%0A%09pu%20%EAtre%20utilis%E9e%20pour%20faire%20fonctionner%20les%20machines%2C%20communiquer%20d%27un%20%0D%0A%09continent%20%E0%20l%27autre%20et%20%E9clairer%20les%20habitations%2C%20au%20cours%20d%27un%20si%E8cle%20rythm%E9%20%0D%0A%09par%20les%20inventions%20comme%20le%20t%E9l%E9graphe%2C%20le%20premier%20c%E2ble%20transatlantique%2C%20la%20%0D%0A%09lampe%20%E0%20incandescence%2C%20le%20courant%20alternatif%85%3C%2Fp%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3ESource%20%3A%20Programme%20TV.%3C%2Fp%3E%0D%0A%3C%2Fblockquote%3E%0D%0A%3Cp%20align%3D%22justify%22%3EUn%20documentaire%20passionnant%20qui%20ravira%20tous%20les%20amoureux%20de%20la%20science.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%3Cb%3ENota%20Bene%20%3A%20pour%20un%20meilleur%20confort%20auditif%2C%20j%27ai%20%0D%0Arehauss%E9%20le%20son%20de%20cette%20vid%E9o%20de%207%20dB.%3C%2Fb%3E%3C%2Fp%3E
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"L'histoire de l'électricité - Épisode 2 - L'âge des inventions (le magnétisme)" - Version avec son rehaussé |
%3Cp%20align%3D%22center%22%3E%0D%0A%3Cimg%20border%3D%221%22%20src%3D%22IMAGES%2Fhistoire%2520electricite%2520-%25201.jpg%22%20width%3D%22940%22%20height%3D%22530%22%3E%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%26nbsp%3B%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3ECette%20vid%E9o%20est%20le%20premier%20%E9pisode%2C%20r%E9alis%E9%20par%20Tim%20Usborne%20%0D%0Aen%202011%2C%20de%20la%20s%E9rie%20%26quot%3B%3Ci%3EL%27histoire%20de%20l%27%E9lectricit%E9%3C%2Fi%3E%26quot%3B.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%3Cu%3E%3Cb%3E%3Cfont%20size%3D%225%22%3ESynopsis%20%3A%3C%2Ffont%3E%3C%2Fb%3E%3C%2Fu%3E%3C%2Fp%3E%0D%0A%3Cblockquote%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3EComment%20des%20pionniers%20ont%20perc%E9%20les%20secrets%20de%20l%27%E9lectricit%E9%20et%20con%E7u%20des%20%0D%0A%09instruments%20permettant%20de%20la%20produire%20et%20de%20la%20stocker.%20Premier%20%E9pisode%20de%20%0D%0A%09cette%20passionnante%20histoire%20racont%E9e%20par%20Jim%20Al-Khalili%2C%20professeur%20de%20%0D%0A%09physique%20nucl%E9aire%20et%20pr%E9sentateur%20vedette%20de%20la%20BBC.%3C%2Fp%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3EVoyageant%20au%20XVIIIe%20si%E8cle%20et%20au%20d%E9but%20du%20XIXe%2C%20en%20Angleterre%20puis%20en%20%0D%0A%09Pays-Bas%2C%20aux%20%C9tats-Unis%2C%20en%20France%20et%20en%20Italie%2C%20Jim%20Al-Khalili%20raconte%20les%20%0D%0A%09d%E9couvertes%20de%20physiciens%20comme%20Isaac%20Newton%2C%20Francis%20Hawkesbury%2C%20Pieta%20Van%20%0D%0A%09Musschenbroek%2C%20Benjamin%20Franklin%2C%20George%20Louis%20Leclerc%2C%20Thomas-Francois%20%0D%0A%09Dalibard%2C%20Henry%20Cavendish%2C%20Luigi%20Aloisio%20Galvani%2C%20Alessandro%20Volta...%3C%2Fp%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3EIl%20%0D%0A%09retrace%20l%27invention%20du%20g%E9n%E9rateur%20d%27%E9lectricit%E9%20statique%2C%20du%20paratonnerre%2C%20%0D%0A%09de%20la%20pile%20volta%EFque%2C%20et%20revient%20sur%20la%20d%E9couverte%20de%20la%20possibilit%E9%20%0D%0A%09d%92utiliser%20commercialement%20l%27%E9lectricit%E9%20avec%20la%20premi%E8re%20lampe%20%E0%20arc%20de%20%0D%0A%09Humphry%20Davy%85%3C%2Fp%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3ESource%20%3A%20Programme%20TV.%3C%2Fp%3E%0D%0A%3C%2Fblockquote%3E%0D%0A%3Cp%20align%3D%22justify%22%3EUn%20documentaire%20passionnant%20qui%20ravira%20tous%20les%20amoureux%20de%20%0D%0Ala%20science.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%3Cb%3ENota%20Bene%20%3A%20pour%20un%20meilleur%20confort%20auditif%2C%20j%27ai%20%0D%0Arehauss%E9%20le%20son%20de%20cette%20vid%E9o%20de%207%20dB.%3C%2Fb%3E%3C%2Fp%3E
Évaluée
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"L'histoire de l'électricité - Épisode 1 - Étincelle" - Version avec son rehaussé |
%3Cp%20align%3D%22center%22%3E%0D%0A%3Cimg%20border%3D%221%22%20src%3D%22IMAGES%2Favions%2520dans%2520le%2520ciel.jpg%22%20width%3D%22854%22%20height%3D%22480%22%3E%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%26nbsp%3B%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3ECette%20vid%E9o%20est%20un%20documentaire%20de%202009%20sur%20la%20pollution%20%0D%0Aengendr%E9e%20par%20le%20trafic%20a%E9rien%20croissant%20des%20avions%20de%20lignes.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%3Cu%3E%3Cb%3E%3Cfont%20size%3D%225%22%3ESynopsis%20%3A%3C%2Ffont%3E%3C%2Fb%3E%3C%2Fu%3E%3C%2Fp%3E%0D%0A%3Cblockquote%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3EGrands%20consommateurs%20de%20p%E9trole%20et%20cracheurs%20de%20CO2%2C%20les%20%0D%0A%09avions%20sont-ils%20une%20menace%20pour%20la%20plan%E8te%20%3F%3C%2Fp%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3EL%27Union%20europ%E9enne%20pr%E9voit%20que%20le%20nombre%20d%27avions%20aura%20%0D%0A%09doubl%E9%20d%27ici%202020.%20Notre%20plan%E8te%20peut-elle%20supporter%20une%20telle%20augmentation%20%0D%0A%09%3F%20Peut-il%20y%20avoir%20de%20plus%20en%20plus%20d%27avions%20dans%20les%20airs%20sans%20qu%27ils%20%0D%0A%09finissent%20par%20se%20percuter%20les%20uns%20les%20autres%20%3F%3C%2Fp%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3ESi%20elle%20n%27est%20responsable%20que%20de%202%20%25%20du%20total%20mondial%20des%20%0D%0A%09%E9missions%20de%20CO2%2C%20l%27aviation%20commerciale%20sait%20qu%27il%20va%20falloir%20faire%20mieux.%20%0D%0A%09Alors%2C%20elle%20se%20tourne%20vers%20ceux%20qui%20lui%20ont%20toujours%20sauv%E9%20la%20mise.%20D%27abord%2C%20%0D%0A%09la%20technologie%2C%20qui%20cherche%20%E0%20am%E9liorer%20l%27existant%2C%20ici%20et%20maintenant%20%3A%20de%20%0D%0A%09multiples%20petites%20transformations%20dont%20l%27accumulation%20finit%20par%20produire%20un%20%0D%0A%09effet%20sur%20l%27ensemble.%20Ensuite%2C%20la%20recherche%20fondamentale%2C%20qui%20veut%20inventer%20%0D%0A%09des%20solutions%20radicalement%20nouvelles%2C%20faire%20du%20pass%E9%20%26quot%3Btable%20rase%26quot%3B.%3C%2Fp%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3ELe%20film%20va%20%E0%20la%20rencontre%20des%20acteurs%20de%20cette%20%0D%0A%09transformation%20qui%20changera%20radicalement%20notre%20fa%E7on%20de%20voyager.%3C%2Fp%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3ESource%20%3A%20Programme%20TV.%3C%2Fp%3E%0D%0A%3C%2Fblockquote%3E%0D%0A%3Cp%20align%3D%22justify%22%3ECette%20vid%E9o%20n%27a%20pas%20encore%20%E9t%E9%20%E9valu%E9e.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%3Cb%3ENota%20Bene%20%3A%20pour%20un%20meilleur%20confort%20auditif%2C%20j%27ai%20rehauss%E9%20le%20son%20de%20cette%20vid%E9o%20de%207%20dB.%3C%2Fb%3E%3C%2Fp%3E
Évaluée
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"Y a-t-il trop d'avions dans le ciel ?" Version avec son rehaussé |
%3Cp%20align%3D%22center%22%3E%0D%0A%3Cimg%20border%3D%221%22%20src%3D%22IMAGES%2Feclair%2520sur%2520ciel%2520bleu%2520profond.jpg%22%20width%3D%22700%22%20height%3D%22394%22%3E%3C%2Fp%3E%0D%0A%3Cp%3E%26nbsp%3B%3C%2Fp%3E%0D%0A%3Cp%3ECette%20vid%E9o%20est%20un%20documentaire%20scientifique%20de%20Chris%20Manfred%20sur%20la%20%0D%0Aformation%20des%20%E9clairs%20et%20la%20foudre.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%3Cu%3E%3Cb%3E%3Cfont%20size%3D%225%22%3ESynopsis%20%3A%3C%2Ffont%3E%3C%2Fb%3E%3C%2Fu%3E%3C%2Fp%3E%0D%0A%3Cblockquote%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3ECe%20documentaire%20propose%20un%20%E9tat%20des%20lieux%20des%20%0D%0A%09connaissances%20scientifiques%20actuelles%20sur%20la%20foudre%20et%20le%20tonnerre.%3C%2Fp%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3EEn%20utilisant%20les%20derni%E8res%20technologies%20et%20techniques%20de%20%0D%0A%09prise%20de%20vue%2C%20il%20d%E9crypte%20l%27origine%20et%20les%20cons%E9quences%20des%20%E9clairs%20et%20%0D%0A%09autres%20ph%E9nom%E8nes%20lumineux%20dus%20au%20tonnerre.%3C%2Fp%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3ELes%20violentes%20temp%EAtes%20et%20%E9clairs%20qui%20ont%20lieu%20en%20Afrique%20%0D%0A%09sont%20par%20exemple%20%E0%20l%27origine%20des%20ouragans%20dans%20les%20Cara%EFbes%20chaque%20%E9t%E9.%20Les%20%0D%0A%09%E9clairs%20sont%20m%EAme%20en%20rapport%20direct%20avec%20le%20changement%20climatique%20et%20%0D%0A%09influencent%20le%20champ%20magn%E9tique%20terrestre.%3C%2Fp%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3EAu%20Br%E9sil%2C%20des%20scientifiques%20travaillent%20sur%20le%20mythe%20de%20%0D%0A%09la%20%ABfoudre%20en%20boule%BB%20qu%27ils%20tentent%20de%20recr%E9er%20%E0%20petite%20%E9chelle.%3C%2Fp%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3ESource%20%3A%20Le%20Figaro.%3C%2Fp%3E%0D%0A%3C%2Fblockquote%3E%0D%0A%3Cp%20align%3D%22justify%22%3ECette%20vid%E9o%20n%27a%20pas%20encore%20%E9t%E9%20%E9valu%E9e.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%3Cb%3ENota%20Bene%20%3A%20pour%20un%20meilleur%20confort%20auditif%2C%20j%27ai%20rehauss%E9%20le%20son%20de%20cette%20vid%E9o%20de%207%20dB.%3C%2Fb%3E%3C%2Fp%3E
Évaluée
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"Éclairs et foudre" - Version avec son rehaussé |
%3Cp%20align%3D%22justify%22%3EUne%20vid%E9o%20sans%20pr%E9tention%2C%20mais%20bien%20didactiqu%2Ce%20pour%20%0D%0Acomprendre%20ce%20que%20sont%20les%20gaz%20nobles%2C%20quelles%20sont%20leurs%20propri%E9t%E9s%2C%20ainsi%20que%20%0D%0Aleurs%20diff%E9rentes%20utilisations.%3C%2Fp%3E
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Chimie : que sont les gaz nobles et à quoi servent-ils ? |
%3Cp%20align%3D%22center%22%3E%0D%0A%3Cimg%20border%3D%221%22%20src%3D%22IMAGES%2Fporte%2520container%2520se%2520brisant.jpg%22%20width%3D%22534%22%20height%3D%22267%22%20vspace%3D%227%22%3E%3Cbr%3E%0D%0A%3Cb%3ECi-dessus%2C%20la%20houle%20est%20si%20importante%20que%20le%20point%20de%20rupture%20est%20atteint%20et%20%0D%0Aque%20ce%20porte-container%20se%20brise%20en%20deux.%3C%2Fb%3E%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%26nbsp%3B%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3EEt%20plus%20le%20bateau%20est%20long%2C%20plus%20il%20se%20tord.%3C%2Fp%3E
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Étonnant : la preuve visuelle que les longs bateaux se tordent sous la pression de la houle et des vagues |
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Big Bang : comprendre les origines de l'Univers grâce aux ondes gravitationnelles et aux missions Planck, BICEP2, VIRGO, et LISA |
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Le vol expérimental du Stipa-Caproni, un étrange avion tonneau à effet venturi, précurseur de l'avion à réaction |
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Une collégienne canadienne invente une lampe fonctionnant avec la chaleur du corps |
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"Petits contes mathématiques - Le zéro" |
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"Petits contes mathématiques - Le théorème de Pythagore" |
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Mathématiques étonnantes : une incroyable méthode graphique pour multiplier des nombres et des polynômes |
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Simulation informatique du cerveau par des super-ordinateurs : "Square : la guerre du cerveau" - Version avec son rehaussé |
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"Illustris", la simulation informatique la plus détaillée de notre Univers |
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"Le poids d'un doigt (2)" : une expérience étonnante et simple avec la poussée d'Archimède - Version avec son rehaussé |
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Découverte en physique quantique : des scientifiques confirment l'existence de l'élément 117 du tableau périodique, l'ununseptium - Mai 2014 |
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"Haroun Tazieff : Garouk, l'avaleur de lave" |
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"Les LEDs, le nouvel éclairage électronique" |
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"Pharao", l'horloge atomique du CNES la plus précise du monde, destinée à être envoyée dans l'espace pour vérifier la théorie de la relativité générale d'Einstein |
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La méthode originale que le savant arabe Al Biruni employa au Moyen-Âge pour calculer la circonférence de la Terre |
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France : des drones pour sauver des charançons rouges les palmiers du Sud-Est - 28 Avril 2014 |
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"E-Fan", le premier avion électrique d'Airbus - 25 Avril 2014 |
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Comment Ératosthène a réussi à mesurer la circonférence de la Terre avec un bâton (un obélisque) et un chameau |
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"Le centre spatial de Kourou, tout un monde" ou les préparations et le tir d'une fusée Ariane 5 |
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Étonnant : John Paul Stapp, le recordman du monde de l'accélération |
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Étonnant : un vieux et surprenant carillon électrique sonne depuis près de 2 siècles sans jamais s'arrêter |
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Des scientifiques ont découvert les protéines qui permettent l'union du spermatozoïde et de l'ovule - Avril 2014 |
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Une société propose d'enduire la surface de la lune d'une substance réfléchissante pour éclairer davantage la Terre la nuit et ainsi économiser l'argent de l'éclairage urbain |
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Étonnant : "L'incroyable pouvoir athlétique des quadricoptères" par Raffaello d'Andrea - TEDx |
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La NASA a découvert une première exoplanète habitable semblable à la Terre : "Kepler 186f" - 17 Avril 2014 |
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Un astronome du SETI prédit et explique pourquoi un signal extraterrestre sera probablement capté d'ici 24 ans - TEDx |
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Innovation et sécurité routière : des routes qui brillent dans le noir pour économiser l'électricité |
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"Lasers et applications" par Daniel Hennequin |
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"Le plasma, 4ème état de la matière" |
%3Cp%20align%3D%22justify%22%3EUne%20courte%20vid%E9o%20sur%20l%27%E9tranget%E9%20de%20l%27intrication%20quantique%2C%20%0D%0Aet%20ses%20incroyables%20implications.%3C%2Fp%3E
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Tout est relié dans l’Univers, ou la conséquence de l'intrication quantique expliquée par le "Docteur Quantum" |
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Réalité virtuelle en 3D : la révolution Oculus |
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Starshade, un écran géant de la NASA pour étudier les exoplanètes à l'abri de la lumière aveuglante des étoiles |
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"Voyage dans l'espace-temps - L'Éternité a-t'elle une fin ?" |
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ADN : "Contrôler le génome : une ambition sans limites" |
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Le Crabster CR200, un étonnant sous-marin crabe-robot pour explorer le fond des océans |
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Évaluée
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"Einstein : un mythe, un homme" |
%3Cp%20align%3D%22justify%22%3ECette%20vid%E9o%20est%20une%20conf%E9rence%20de%26nbsp%3B%20Fran%E7oise%20Balibar%20sur%20%0D%0Ales%20articles%20historiques%20d%27Albert%20Einstein%20et%20leur%20apport%20essentiels%20et%20%0D%0Ar%E9volutionnaires%20au%20monde%20de%20la%20physique.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%3Cu%3E%3Cb%3E%3Cfont%20size%3D%225%22%3ESynopsis%20%3A%3C%2Ffont%3E%3C%2Fb%3E%3C%2Fu%3E%3C%2Fp%3E%0D%0A%3Cblockquote%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3EParce%20qu%27il%20est%20universellement%20c%E9l%E8bre%2C%20tout%20le%20monde%20%0D%0A%09croit%20conna%EEtre%20Einstein.%20Les%20physiciens%2C%20%E0%20cet%20%E9gard%2C%20ne%20font%20pas%20exception%20%0D%0A%09%E0%20la%20r%E8gle.%20On%20va%20r%E9p%E9tant%20%E0%20l%27envie%20les%20m%EAmes%20lieux%20communs%20sur%20l%27effet%20%0D%0A%09qu%27ont%20eu%20les%20d%E9couvertes%20d%27Einstein%20sur%20le%20cours%20de%20la%20physique%2C%20sur%20la%20%0D%0A%09mani%E8re%20dont%20il%20est%20parvenu%20%E0%20%E9tablir%20sa%20th%E9orie%2C%20ou%20plut%F4t%20ses%20th%E9ories.%20%0D%0A%09Pire%20%3A%20on%20continue%20%E0%20enseigner%20la%20physique%20d%27avant%20Einstein%2C%20la%20physique%20%0D%0A%09classique%20comme%20s%27il%20n%27avait%20pas%20modifi%E9%20le%20point%20de%20vue%20que%20les%20physiciens%20%0D%0A%09portent%20dans%20leur%20pratique%20quotidienne%20sur%20leur%20propre%20discipline.%3C%2Fp%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3EDans%20cette%20conf%E9rence%2C%20je%20tenterai%20de%20replacer%20l%27apport%20%0D%0A%09d%27Einstein%20dans%20le%20contexte%20de%20la%20fin%20du%20dix-neuvi%E8me%20si%E8cle%2C%20ce%20qui%2C%20%0D%0A%09in%E9vitablement%20m%27am%E8nera%20%E0%20parler%20des%20contributions%20de%20Poincar%E9%20et%20Lorentz%20%E0%20%0D%0A%09la%20th%E9orie%20dite%20de%20la%20relativit%E9%20restreinte%20%3A%20Einstein%20n%27est%20ni%20cet%20%0D%0A%09extra-terrestre%20venu%20r%E9volutionner%20la%20physique%20presque%20malgr%E9%20elle%20que%20l%27on%20%0D%0A%09a%20trop%20souvent%20d%E9peint%2C%20ni%20cet%20imposteur%20que%20certains%20briseurs%20d%27idoles%20%0D%0A%09aimeraient%20faire%20descendre%20de%20son%20pi%E9destal%20usurp%E9.%20Je%20soutiendrai%20la%20th%E8se%20%0D%0A%09que%20c%27est%20sur%20la%20question%20des%20principes%2C%20leur%20d%E9finition%2C%20leur%20n%E9cessit%E9%20et%20%0D%0A%09leur%20force%20de%20contrainte%20que%2C%20d%27un%20point%20de%20vue%20%E9pist%E9mologique%2C%20%0D%0A%09l%27intervention%20d%27Einstein%20dans%20la%20physique%20s%27est%20principalement%20fait%20sentir.%3C%2Fp%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3ESource%20%3A%20Fran%E7oise%20Balibar.%3C%2Fp%3E%0D%0A%3C%2Fblockquote%3E%0D%0A%3Cp%20align%3D%22justify%22%3EUne%20conf%E9rence%20passionnante%2C%20essentiellement%20historique%20et%20qui%20%0D%0Adonc%20aurait%20d%FB%20%EAtre%20plut%F4t%20appel%E9e%20%0D%0A%26quot%3B%3Ci%3EEinstein%20hier%3C%2Fi%3E%26quot%3B%2C%20qui%20ravira%20les%20amoureux%20de%20la%20physique%20car%20pr%E9sentant%20%0D%0Ales%20notions%20apport%E9es%20par%20Einstein%20d%27une%20mani%E8re%20originale%20%E0%20partir%20de%20ses%20%0D%0Aarticles%20historiques.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3EN%E9anmoins%2C%20elle%20pourra%20sembler%20parfois%20un%20petit%20peu%20%0D%0Atechnique%20lors%20de%20l%27%E9vocation%20de%20la%20th%E9orie%20du%20corps%20noir%20et%20de%20l%27emploi%20des%20%0D%0Am%E9thodes%20statistiques%20en%20liaison%20avec%20la%20thermodynamique%2C%20ou%20de%20certaines%20%0D%0Adigressions%20qui%20n%27apportent%20rien.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%3Cb%3ENota%20Bene%20%3A%20les%20questions%20du%20public%20commencent%20%E0%201%3A18%3A55.%3C%2Fb%3E%3C%2Fp%3E
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"Einstein aujourd'hui par Françoise Balibar - 20 Juin 2005 |
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s%2520noir%2520et%2520types.jpg%22%20width%3D%22400%22%20height%3D%22259%22%20vspace%3D%227%22%3E%3Cbr%3E%0D%0A%3Cb%3EExemples%20de%20spectres%20de%20corps%20noir%20sur%20un%20diagramme%20de%20l%27intensit%E9%20de%20%0D%0Al%27%E9nergie%20en%20fonction%20de%20la%20longueur%20d%27onde%3Cbr%3E%0D%0Aavec%20le%20type%20de%20rayonnement%20%E9mis%20%3A%20rayons%20X%2C%20rayons%20ultraviolets%2C%20lumi%E8re%20%0D%0Avisible%2C%20lumi%E8re%20infrarouge%2C%20et%20ondes%20radios.%3C%2Fb%3E%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3EUne%20vid%E9o%20ultra-courte%20pour%20d%E9couvrir%20la%20relation%20entre%20la%20%0D%0Achaleur%20d%27un%20corps%20et%20la%20nature%20des%20ondes%20%E9lectromagn%E9tiques%20qu%27il%20%E9met.%3C%2Fp%3E
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Qu'est-ce que la théorie du corps noir de Planck ? |
%3Cp%20align%3D%22center%22%3E%0D%0A%3Cimg%20border%3D%220%22%20src%3D%22IMAGES%2Fcellules%2520normales%2520et%2520cellules%2520pluripotentes.jpg%22%20width%3D%22497%22%20height%3D%22312%22%20vspace%3D%227%22%3E%3Cbr%3E%0D%0A%3Cb%3ECellules%20pluripotentes%20et%20cellules%20normales.%3C%2Fb%3E%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3ECette%20courte%20vid%E9o%20expose%20une%20possibilit%E9%20future%20de%20gu%E9rison%20%0D%0Aayant%20un%20potentiel%20%E9norme%20%3A%20l%27utilisation%20de%20cellules%20d%27un%20individu%20pour%20%0D%0A%E9laborer%20des%20cellules%20souches%20personnalis%E9es%20pouvant%20gu%E9rir%20ce%20m%EAme%20individu.%20Et%20%0D%0Adans%20passer%20par%20l%27utilisation%20de%20cellules%20souches%20traditionnelles%2C%20ponctionn%E9es%20%0D%0Adepuis%20un%20embryon%20humain.%20Une%20technique%20promise%20%E0%20un%20grand%20avenir.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22center%22%3E%0D%0A%3Cimg%20border%3D%221%22%20src%3D%22IMAGES%2Fde%2520la%2520cellule%2520de%2520peau%2520a%2520la%2520cellule%2520pluripotente.jpg%22%20width%3D%22700%22%20height%3D%22314%22%20vspace%3D%227%22%3E%3Cbr%3E%0D%0A%3Cb%3EDe%20la%20cellule%20de%20peau%20%E0%20la%20cellule%20pluripotente.%3C%2Fb%3E%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3EUne%20vid%E9o%20courte%20passionnante%20et%20didactique%20qui%20%0D%0Aintroduit%20la%20notion%20de%20cellules%20souches%20induites%20%E0%20la%20pluripotence.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%C0%20voir%20%21%3C%2Fp%3E
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"Cellules et réparations" : les cellules souches induites à la pluripotence |
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"La vérité : la physique quantique à l'épreuve de l'expérience" par Alain Aspect - Toulouse - 3 Avril 2013 |
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Alain Aspect : un petit résumé du parcours du physicien ayant démontré la réalité de l'intrication quantique |
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Big Bang : des ondes gravitationnelles des premiers instants de l'univers ont été détectées pour la première fois par des chercheurs américains conformément à la prédiction d'Einstein - 17 Mars 2014 |
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Technologie et perversité : un drone équipé d'un TASER délivrant 80.000 volts |
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Qu'est-ce que la masse atomique moyenne pondérée ? |
%3Cp%3EUne%20courte%20vid%E9o%20didactique%2C%20claire%2C%20pour%20comprendre%20de%20que%20sont%20les%20ions%2C%20%0D%0Aces%20atomes%20charg%E9s%20positivement%20ou%20n%E9gativement.%3C%2Fp%3E%0D%0A%3Cp%3E%3Cb%3ENota%20Bene%20%3A%20pour%20un%20meilleur%20confort%20auditif%2C%20j%27ai%20rehauss%E9%20le%20son%20de%20%0D%0Acette%20vid%E9o%20de%2012%20dB.%3C%2Fb%3E%3C%2Fp%3E
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Matière : "Qu'est-ce qu'un ion ?" et comment il se forme |
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Must
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Des explications didactiques sur la relativité et la physique quantique à partir des travaux de Maxwell, Planck, Bohr, Einstein, Schrodinger, Heisenberg, Dirac, etc. |
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Évaluée
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L'homme contre la machine : l'ancien numéro un mondial de ping pong Timo Boll affronte le robot KUKA - Mars 2014 |
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Géolocalisation : "Le monde merveilleux du GPS" |
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L'imprimante 3D : une révolution technologique bientôt chez vous - Mars 2014 |
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Un laboratoire marseillais réveille un super-virus originaire de Sibérie, vieux de 30.000 ans - 6 Mars 2014 |
%3Cp%20align%3D%22center%22%3E%0D%0A%3Cimg%20border%3D%220%22%20src%3D%22IMAGES%2Fcellule_photovoltaique-principe.jpg%22%20width%3D%22600%22%20height%3D%22345%22%3E%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%26nbsp%3B%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3EWoaaa%2C%20jamais%20je%20n%27aurais%20cru%20aussi%20complexe%20le%20principe%20de%20fonctionnement%20des%20%0D%0Acellules%20photovolta%EFques.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3EUne%20remarquable%20petite%20vid%E9o%2C%20pr%E9cise%2C%20claire%2C%20et%20%0D%0Aultra-didactique.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3EUn%20must%20dans%20son%20genre.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%C0%20voir%20%21%3C%2Fp%3E
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Lumière et électricité : l'effet photovoltaïque, ou comment fonctionnent les panneaux solaires |
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L'incroyable modélisation 3D de 100.000 astéroïdes présents dans le système solaire |
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Collision d'un astéroïde avec la Lune : un important flash d'impact sur la Lune a été observé - 11 Septembre 2013 |
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Exploration astronomique : la taille des télescopes et le futur gigantesque télescope de l'ESO, l'EELT - Février 2014 |
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Évaluée
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"Albert Einstein, escroc ou mythomane ?" et les découvertes de Poincaré avec Dean Manas, docteur en physique nucléaire - Radio Courtoisie - 8 Mai 1991 |
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"Aquacell", des piles qui se rechargent à l'eau - Février 2014 |
%3Cp%20align%3D%22center%22%3E%0D%0A%3Cimg%20border%3D%220%22%20src%3D%22IMAGES%2FAmpoule%2520bonhomme.jpg%22%20width%3D%22350%22%20height%3D%22476%22%3E%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3ECette%20vid%E9o%20est%20un%20petit%20clip%20expliquant%20comment%20fonctionnent%20%0D%0Ales%20lampes%20qu%27elles%20soient%20%E0%20incandescence%2C%20halog%E8nes%2C%20au%20mercure%2C%20au%20sodium%2C%20ainsi%20que%20les%20tubes%20%0D%0Afluorescents%20et%20les%20LEDs.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3ESimple%2C%20clair%2C%20didactique%2C%20m%EAme%20si%20c%27est%20un%20peu%20rapide%2C%20mais%20%0D%0Ac%27est%20le%20style%20m%EAme%20de%20ce%20genre%20de%20vid%E9os.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%C0%20voir%20%21%3C%2Fp%3E
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Comment fonctionnent les ampoules modernes |
%3Cp%20align%3D%22center%22%3E%0D%0A%3Cimg%20border%3D%221%22%20src%3D%22IMAGES%2FOrage%2520magnetique%2520du%2520au%2520Soleil.jpg%22%20width%3D%22472%22%20height%3D%22306%22%3E%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%3Cu%3E%3Cb%3E%3Cfont%20size%3D%225%22%3ESynopsis%20%3A%3C%2Ffont%3E%3C%2Fb%3E%3C%2Fu%3E%3C%2Fp%3E%0D%0A%3Cblockquote%20style%3D%22text-align%3A%20justify%22%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3ECaus%E9%20par%20le%20Soleil%2C%20un%20orage%20magn%E9tique%2C%20d%27une%20puissance%20%0D%0A%09%E9gale%20%E0%20celle%20produite%20par%20dix%20mille%20armes%20nucl%E9aires%2C%20pourrait%20an%E9antir%20%0D%0A%09toute%20%E9nergie%20%E9lectrique%20sur%20Terre.%20Que%20pourrait-on%20faire%20pour%20%E9viter%20une%20%0D%0A%09telle%20catastrophe%20%3F%3C%2Fp%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3ELes%20scientifiques%20se%20penchent%20sur%20les%20causes%20d%27un%20tel%20%0D%0A%09ph%E9nom%E8ne%20et%20surveillent%20de%20tr%E8s%20pr%E8s%20l%27activit%E9%20solaire.%3C%2Fp%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3ESource%20%3A%20ProgrammeTV.net.%3C%2Fp%3E%0D%0A%3C%2Fblockquote%3E%0D%0A%3Cp%20align%3D%22center%22%3E%0D%0A%3Cimg%20border%3D%220%22%20src%3D%22IMAGES%2FOrages%2520magnetiques%2520-%2520Explications.gif%22%20width%3D%22750%22%20height%3D%22545%22%3E%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3ECette%20vid%E9o%20n%27a%20pas%20encore%20%E9t%E9%20%E9valu%E9e.%3C%2Fp%3E
Évaluée
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"L'Univers : Les orages magnétiques" |
%3Cp%20align%3D%22justify%22%3E%3Cu%3E%3Cb%3E%3Cfont%20size%3D%225%22%3EQu%27est-ce%20qu%27un%20anagyre%20%3F%3C%2Ffont%3E%3C%2Fb%3E%3C%2Fu%3E%3C%2Fp%3E%0D%0A%3Cblockquote%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3EAnagyre%20est%20le%20nom%20donn%E9%20%E0%20un%20objet%20paradoxal%20%3A%20un%20%0D%0A%09ellipso%EFde%20qui%2C%20lanc%E9%20dans%20un%20sens%20va%20tourner%20tr%E8s%20rapidement%2C%20alors%20que%20%0D%0A%09lanc%E9%20dans%20l%27autre%20sens%20il%20s%27arr%EAtera%20au%20bout%20de%20quelques%20instants%20pour%20%0D%0A%09repartir%20dans%20l%27autre%20sens%20de%20rotation.%20Initialement%20l%27anagyre%20poss%E8de%20de%20%0D%0A%09l%27%E9nergie%20cin%E9tique%20de%20rotation%20%3B%20cette%20%E9nergie%20%E0%20cause%20de%20la%20g%E9om%E9trie%20%0D%0A%09sp%E9cifique%20de%20la%20pierre%20est%20convertie%20en%20%E9nergie%20de%20mouvement%20oscillatoire%2C%20%0D%0A%09enfin%20de%20nouveau%20en%20%E9nergie%20de%20rotation.%3C%2Fp%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3EL%27asym%E9trie%20de%20l%27objet%20%28bois%20ou%20pierre%29%20peut%20%EAtre%20%0D%0A%09apparente%20dans%20la%20forme%2C%20ou%20cach%E9e%20dans%20la%20r%E9partition%20des%20masses%20%28densit%E9%20%0D%0A%09non%20homog%E8ne%29%20%3A%20l%27anagyre%20peut%20%EAtre%20creux%20et%20donc%20non%20homog%E8ne%2C%20ce%20qui%20fait%20%0D%0A%09que%20son%20comportement%20n%92est%20pas%20sym%E9trique.%20L%27asym%E9trie%20implique%20que%20l%92axe%20%0D%0A%09d%92inertie%20n%92est%20pas%20confondu%20avec%20l%92axe%20g%E9om%E9trique%20%28sym%E9trie%20apparente%20de%20%0D%0A%09l%92objet%29.%3C%2Fp%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3ESource%20%3A%20Wikip%E9dia..%3C%2Fp%3E%0D%0A%3C%2Fblockquote%3E%0D%0A%3Cp%20align%3D%22justify%22%3EUn%20objet%20montrant%2C%20une%20fois%20de%20plus%2C%20que%20les%20brisures%20de%20%0D%0Asym%E9trie%20engendrent%20des%20effets%20particuliers%20ou%20le%20mouvement.%3C%2Fp%3E
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L'anagyre, l'étonnante toupie qui n'accepte de tourner que dans un seul sens |
%3Cp%20align%3D%22justify%22%3EUne%20exp%E9rience%20dont%20l%27issue%20pr%E9visible%20a%20une%20explication%20qui%20%0D%0Al%27est%20bien%20moins.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%C9tonnant.%3C%2Fp%3E
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"Électricité : un moulinet électrostatique" |
%3Cp%20align%3D%22justify%22%3E%26quot%3B%3Ci%3ETout%20corps%20plong%E9%20dans%20un%20liquide%20re%E7oit%20une%20pouss%E9e%2C%20qui%20%0D%0As%27exerce%20de%20bas%20en%20haut%2C%20et%20qui%20est%20%E9gale%20au%20poids%20du%20volume%20de%20liquide%20d%E9plac%E9%3C%2Fi%3E%26quot%3B%2C%20%0D%0Atel%20est%20l%27%E9nonc%E9%20du%20principe%20d%20%27Archim%E8de%2C%20valable%20aussi%20pour%20les%20gaz.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3EMais%20ce%20principe%20reste-t-il%20applicable%20dans%20les%20solides%20%3F%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3EGr%E2ce%20%E0%20une%20balle%20de%20ping%20pong%20plong%E9e%20dans%20de%20la%20semoule%20%E0%20%0D%0Acouscous%2C%20nous%20allons%20pouvoir%20le%20d%E9terminer.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3EUne%20exp%E9rience%20originale%20et%20int%E9ressante.%3C%2Fp%3E
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"Mécanique des fluides : poussée d'Archimède dans de la semoule" |
%3Cp%20align%3D%22center%22%3E%0D%0A%3Cimg%20border%3D%221%22%20src%3D%22IMAGES%2FEndoftime.jpg%22%20width%3D%22940%22%20height%3D%22530%22%3E%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%3Cu%3E%3Cb%3E%3Cfont%20size%3D%225%22%3ESynopsis%20%3A%3C%2Ffont%3E%3C%2Fb%3E%3C%2Fu%3E%3C%2Fp%3E%0D%0A%3Cblockquote%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3EQu%27est-ce%20que%20le%20temps%20%3F%3C%2Fp%3E%3Cp%20align%3D%22justify%22%3EDe%20l%27acc%E9l%E9rateur%20de%20particules%20%0D%0A%09du%20CERN%20de%20Gen%E8ve%20%B2%E0%20des%20coul%E9es%20de%20lave%20%E0%20Hawaii%2C%20de%20la%20d%E9cadence%20de%20la%20%0D%0A%09ville%20de%20Detroit%20%E0%20des%20rites%20fun%E9raires%20en%20Inde%2C%20Peter%20Mettler%20tente%20de%20%0D%0A%09r%E9pondre%20%E0%20la%20question%20dans%20un%20essai%20empreint%20de%20po%E9sie.%3C%2Fp%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3ELe%20temps%20est-il%20une%20illusion%2C%20une%20r%E9alit%E9%2C%20un%20concept%20%3F%20%0D%0A%09De%20l%27acc%E9l%E9rateur%20de%20particules%20du%20CERN%20de%20Gen%E8ve%20%E0%20des%20coul%E9es%20de%20lave%20%E0%20%0D%0A%09Hawa%EF%2C%20de%20la%20d%E9cadence%20de%20la%20ville%20de%20Detroit%20%E0%20des%20rites%20fun%E9raires%20en%20%0D%0A%09Inde%2C%20il%20existe%20moult%20fa%E7ons%20de%20tenter%20de%20capter%20l%27invisible%2C%20de%20d%E9finir%20%0D%0A%09l%27indicible.%3C%2Fp%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3EPeter%20Mettler%20invite%20%E0%20un%20voyage%20d%27exploration%20%0D%0A%09hypnotisant%2C%20presque%20psych%E9d%E9lique%2C%20second%E9%20par%20une%20bande%20sonore%20subtile.%3C%2Fp%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3EDix%20ans%20apr%E8s%20%26quot%3BGambling%2C%20gods%20%26amp%3B%20LSD%26quot%3B%2C%20son%20fantastique%20%0D%0A%09essai%20visuel%20sur%20la%20transcendance%2C%20le%20r%E9alisateur%20suisse%20reste%20un%20homme%20%0D%0A%09guid%E9%20par%20son%20intuition%20et%20sa%20capacit%E9%20d%27%E9merveillement%20comme%20le%20prouve%20ce%20%0D%0A%09film%20d%27une%20profonde%20et%20rare%20beaut%E9.%3C%2Fp%3E%0D%0A%09%3Cp%20align%3D%22justify%22%3ESource%20%3A%20Programme%20TV.%3C%2Fp%3E%0D%0A%3C%2Fblockquote%3E%0D%0A%3Cp%20align%3D%22justify%22%3ECette%20vid%E9o%20n%27a%20pas%20encore%20%E9t%E9%20%E9valu%E9e.%3C%2Fp%3E
Évaluée
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"The end of time" (La fin du temps) |
%3Cp%20align%3D%22justify%22%3ECette%20vid%E9o%20d%E9voile%20un%20nouveau%20proc%E9d%E9%20utilisant%20un%20LASER%20%E0%20%0D%0Aimpulsions%20ultra-br%E8ves%20permettant%20de%20rendre%20des%20m%E9taux%20ordinaires%20plus%20%0D%0Ar%E9sistants%20%E0%20la%20corrosion.%3C%2Fp%3E
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"L'alchimie du laser" |
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Les étonnantes évolutions des fluides ferro-magnétiques ou ferrofluides |
%3Cp%20align%3D%22justify%22%3EUne%20jolie%20vid%E9o%2C%20superbement%20film%E9e%2C%20o%F9%20l%27on%20voit%20toute%20la%20%0D%0Apartie%20technique%20de%20l%27approche%20et%20de%20l%27atterrissage.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3ELe%20A380-800%20est%20une%20machine%20magnifique%2C%20ultra-informatis%E9e.%20%0D%0A%C9tonnant.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3EUne%20vid%E9o%20o%F9%20le%20g%E9nie%20et%20le%20travail%20de%20l%27homme%20sautent%20au%20%0D%0Avisage%20comme%20un%20accomplissement%20remarquable.%20Il%20faut%20quand%20m%EAme%20se%20rappeler%20que%20%0D%0Atout%20ce%20que%20vous%20allez%20voir%20a%20%E9t%E9%20construit%20%E0%20partir%20de%20rien%20%3A%20des%20mat%E9riaux%20%0D%0Abruts%20sortis%20de%20la%20Terre%2C%20et%20transform%E9s%20par%20l%27esprit%20de%20l%27homme%20et%20son%20labeur%20%0D%0Aacharn%E9.%20Remarquable%20et%20enthousiasmant.%3C%2Fp%3E%0D%0A%3Cp%20align%3D%22justify%22%3E%C0%20voir%20%21%3C%2Fp%3E
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Magnifique approche et atterrissage d'un A380-800 de la Lufthansa sur l'aéroport international de San Francisco |
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%20un%20parachute%2C%20n%27est%20pas%20la%20premi%E8re%20cible%20que%20%0D%0A%09l%27%E9quipe%20a%20en%20t%EAte.%20Au%20lieu%20de%20cela%2C%20ils%20envisagent%20plut%F4t%20la%20lune%20Titan%20de%20%0D%0A%09Saturne%2C%20qui%20b%E9n%E9ficie%20d%27une%20atmosph%E8re%20qui%20peut%20ralentir%20la%20descente%20de%20%0D%0A%09l%27engin%20spatial%20suffisamment%20pour%20que%20le%20robot%20peut%20se%20poser%20sans%20airbag%20ou%20%0D%0A%09parachute%2C%20avec%20une%20de%20100%20kilom%E8tres%20ou%20plus%20au-dessus%20de%20la%20surface.%3Cbr%3E%0D%0A%09%3Cbr%3E%0D%0A%09Dans%20un%20sc%E9nario%20%E9tudi%E9%20par%20l%27%E9quipe%2C%20le%20robot%20pourrait%20%EAtre%20r%E9duit%20%E0%20une%20%0D%0A%09configuration%20tr%E8s%20compacte%20pour%20le%20lancement.%20Une%20fois%20qu%27il%20atteint%20la%20%0D%0A%09lune%2C%20il%20serait%20ouvert%20et%20d%E9pos%E9%20%E0%20la%20surface%2C%20la%20flexion%20absorbant%20la%20force%20%0D%0A%09de%20l%27impact.%20En%20raccourcissant%20et%20en%20allongeant%20les%20c%E2bles%20qui%20relient%20ses%20%0D%0A%09%E9l%E9ments%20rigides%2C%20le%20Super%20Ball%20Bot%20po%3Cfont%20color%3D%22%23FF0000%22%20face%3D%22arial%22%20size%3D%225%22%3E%3Cspan%20style%3D%22background-color%3A%20%23FFFFCC%22%3E%3Cb%3E%20%5B...%5D%3C%2Fb%3E%3C%2Fspan%3E%3C%2Ffont%3E
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Le robot Super Ball, un robot atypique ultra-léger et compact de la NASA pour explorer Tita |