{"id":6547,"date":"2015-05-16T13:00:06","date_gmt":"2015-05-16T11:00:06","guid":{"rendered":"http:\/\/www.laterredufutur.com\/accueil\/?p=6547"},"modified":"2015-05-12T16:26:57","modified_gmt":"2015-05-12T14:26:57","slug":"un-monde-tres-rapide","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/un-monde-tres-rapide\/","title":{"rendered":"Un monde tr\u00e8s rapide"},"content":{"rendered":"<div class=\"1665f18d14f35dd9e7566e1a8ac9a3e9\" data-index=\"1\" style=\"float: none; margin:10px 0 10px 0; text-align:center;\">\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block; text-align:center;\"\r\n     data-ad-layout=\"in-article\"\r\n     data-ad-format=\"fluid\"\r\n     data-ad-client=\"ca-pub-2860849627502538\"\r\n     data-ad-slot=\"3019501113\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\n<\/div>\n<p>Un train japonais roule \u00e0 plus de 600 km\/h. Fonctionnant par l\u00e9vitation magn\u00e9tique, le \u00abMaglev\u00bb a battu son pr\u00e9c\u00e9dent record, 30 km\/h au-dessus du TGV en 2007. Ce prototype doit devenir, \u00e0 terme, une ligne de transport destin\u00e9e au grand public.<\/p>\n<p>Pendant pr\u00e8s de 11 secondes, il a roul\u00e9 \u00e0 603 km\/h. De quoi parcourir 10 kilom\u00e8tres en une minute ou 170 m\u00e8tres chaque seconde. Un train japonais, le Maglev a battu mardi le record du monde de vitesse pour un train.<\/p>\n<p>Maglev pour \u00abMagnetic levitation trains\u00bb. Ce train japonais a pour particularit\u00e9 de ne jamais toucher ses rails mais de \u00abvoler\u00bb au-dessus: il fonctionne par sustentation magn\u00e9tique. Le train est maintenu en l\u00e9vitation et se d\u00e9place gr\u00e2ce \u00e0 un syst\u00e8me d&rsquo;aimants et de bobines supraconductrices. Pour faire avancer ce train, les bobines cr\u00e9ent un champ magn\u00e9tique de 5 teslas, soit 100.000 fois celui du champ terrestre. Situ\u00e9es dans les rails, elles attirent le train lorsqu&rsquo;elles sont avant lui et le repoussent lorsqu&rsquo;elles sont pass\u00e9es derri\u00e8re. C&rsquo;est un peu comme si le moteur se trouvait dans les rails m\u00eame.<\/p>\n<p>Ce record a \u00e9t\u00e9 battu sur une ligne sp\u00e9ciale de 40 kilom\u00e8tres \u00e0 Yamanachi, au centre du Japon. Le train ne devrait pas atteindre cette vitesse lors de sa future exploitation, mais flirtera tout de m\u00eame avec les 500 km\/h en vitesse de croisi\u00e8re. La compagnie Central Japan Railways est en train de construire une ligne reliant Tokyo \u00e0 Nagoya, quatri\u00e8me ville de Japon et fief de Toyota. La distance de 286 kilom\u00e8tres les s\u00e9parant pourrait \u00eatre parcourue en 40 minutes. La compagnie devrait financer elle-m\u00eame l&rsquo;int\u00e9gralit\u00e9 des 42 milliards d&rsquo;euros que doit co\u00fbter ce projet. Il faudra que les Japonais patientent jusqu&rsquo;en 2027 pour voir l&rsquo;ouverture de la ligne et 2045 pour la voir arriver \u00e0 Osaka.<\/p><div class=\"1665f18d14f35dd9e7566e1a8ac9a3e9\" data-index=\"2\" style=\"float: none; margin:10px 0 10px 0; text-align:center;\">\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block; text-align:center;\"\r\n     data-ad-layout=\"in-article\"\r\n     data-ad-format=\"fluid\"\r\n     data-ad-client=\"ca-pub-2860849627502538\"\r\n     data-ad-slot=\"3019501113\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\n<\/div>\n\n<p><span class=\"embed-youtube\" style=\"text-align:center; display: block;\"><iframe loading=\"lazy\" class=\"youtube-player\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/BjSBEvaJQOI?version=3&#038;rel=1&#038;showsearch=0&#038;showinfo=1&#038;iv_load_policy=1&#038;fs=1&#038;hl=fr-FR&#038;autohide=2&#038;wmode=transparent\" allowfullscreen=\"true\" style=\"border:0;\" sandbox=\"allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox\"><\/iframe><\/span><\/p>\n<p>Des tests avec des passagers ont d\u00e9j\u00e0 \u00e9t\u00e9 men\u00e9s. Comme le montre la vid\u00e9o suivante, une centaine de privil\u00e9gi\u00e9s ont pu prendre place dans les wagons, qui ressemblent plus \u00e0 un int\u00e9rieur d&rsquo;avion qu&rsquo;\u00e0 celui d&rsquo;un train. \u00c0 bord, un \u00e9cran indique aux passagers le moment o\u00f9 les 500 km\/h sont franchis.<\/p>\n<p>Avec ses 603 km\/h, Maglev a battu ses deux pr\u00e9c\u00e9dents records (590 km\/h la semaine derni\u00e8re et 581 en 2003). Le pr\u00e9c\u00e9dent tenant du titre \u00e9tait le TGV fran\u00e7ais, avec une vitesse de 574,8 km\/h, atteinte en 2007. En exploitation, celui-ci roule cependant \u00e0 des vitesses bien inf\u00e9rieures \u00e0 que pr\u00e9voit de faire le Maglev: environ 300 km\/h lorsqu&rsquo;il circule sur des voies adapt\u00e9es.<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/05\/records-vitesses-trains.jpg\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"6548\" data-permalink=\"https:\/\/www.laterredufutur.com\/accueil\/un-monde-tres-rapide\/records-vitesses-trains\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/05\/records-vitesses-trains.jpg?fit=805%2C799&amp;ssl=1\" data-orig-size=\"805,799\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"records-vitesses-trains\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/05\/records-vitesses-trains.jpg?fit=800%2C794&amp;ssl=1\" class=\"alignnone size-full wp-image-6548\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/05\/records-vitesses-trains.jpg?resize=805%2C799\" alt=\"records-vitesses-trains\" width=\"805\" height=\"799\" srcset=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/05\/records-vitesses-trains.jpg?w=805&amp;ssl=1 805w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/05\/records-vitesses-trains.jpg?resize=300%2C298&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/05\/records-vitesses-trains.jpg?resize=800%2C794&amp;ssl=1 800w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/05\/records-vitesses-trains.jpg?resize=144%2C144&amp;ssl=1 144w\" sizes=\"auto, (max-width: 805px) 100vw, 805px\" \/><\/a><\/p>\n<p><a href=\"http:\/\/www.laterredufutur.com\/accueil\/\">TDF<\/a><\/p>\n<p>source :\u00a0<a href=\"http:\/\/www.lefigaro.fr\/\" target=\"_blank\">http:\/\/www.lefigaro.fr\/<\/a><\/p>\n<p class=\"bawpvc-ajax-counter\" data-id=\"6547\">(500)<\/p>\n<!--CusAds0-->\n<div style=\"font-size: 0px; height: 0px; line-height: 0px; margin: 0; padding: 0; clear: both;\"><\/div>","protected":false},"excerpt":{"rendered":"<p>Un train japonais roule \u00e0 plus de 600 km\/h. Fonctionnant par l\u00e9vitation magn\u00e9tique, le \u00abMaglev\u00bb a battu son pr\u00e9c\u00e9dent record,&#8230;<\/p>\n","protected":false},"author":1,"featured_media":6549,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"ngg_post_thumbnail":0,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[18],"tags":[1175,4290,4291,1323,593,4292,684],"class_list":["post-6547","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-monde-futur","tag-japonais","tag-maglev","tag-magnetic-levitation","tag-record","tag-train","tag-trains","tag-video","wpcat-18-id"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/05\/Maglev.jpg?fit=728%2C386&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p631RN-1HB","jetpack-related-posts":[{"id":19206,"url":"https:\/\/www.laterredufutur.com\/accueil\/la-chine-entre-dans-la-revolution-mondiale-du-train-a-600-km-h\/","url_meta":{"origin":6547,"position":0},"title":"La Chine entre dans la r\u00e9volution mondiale du Train \u00e0 600 km\/h","author":"Admin","date":"27 juin 2019","format":false,"excerpt":"La Chine cherche \u00e0 r\u00e9volutionner le domaine des transports. Dans la ville de Qingdao, la China Railway Rolling Stock Corporation a d\u00e9voil\u00e9 un prototype de train \u00e0 sustentation magn\u00e9tique qui peut aller jusqu\u2019\u00e0 la vitesse hallucinante de 600 km\/h. Ding Sansa, responsable de la Recherche et du D\u00e9veloppement du train,\u2026","rel":"","context":"Dans &quot;Monde Futur&quot;","block_context":{"text":"Monde Futur","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/monde-futur\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/05\/see-china-new-maglev-train.png?fit=1200%2C630&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/05\/see-china-new-maglev-train.png?fit=1200%2C630&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/05\/see-china-new-maglev-train.png?fit=1200%2C630&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/05\/see-china-new-maglev-train.png?fit=1200%2C630&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/05\/see-china-new-maglev-train.png?fit=1200%2C630&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":22567,"url":"https:\/\/www.laterredufutur.com\/accueil\/la-chine-souhaiterait-relier-les-usa-avec-une-ligne-de-train-sous-marine-de-13000-km\/","url_meta":{"origin":6547,"position":1},"title":"La Chine souhaiterait relier les USA avec une ligne de train sous-marine de 13000 km","author":"Admin","date":"29 mai 2021","format":false,"excerpt":"La Chine poss\u00e8de actuellement l'un des r\u00e9seaux ferroviaires \u00e0 grande vitesse les plus \u00e9tendus et les plus impressionnants de la plan\u00e8te, et elle ne montre aucun signe de ralentissement. Alors que son r\u00e9seau atteint les coins les plus recul\u00e9s du pays, P\u00e9kin pourrait bien passer \u00e0 la vitesse sup\u00e9rieure avec\u2026","rel":"","context":"Dans &quot;Divers&quot;","block_context":{"text":"Divers","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/divers\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/05\/chine-train-usa.jpg?fit=1100%2C619&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/05\/chine-train-usa.jpg?fit=1100%2C619&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/05\/chine-train-usa.jpg?fit=1100%2C619&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/05\/chine-train-usa.jpg?fit=1100%2C619&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/05\/chine-train-usa.jpg?fit=1100%2C619&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":483,"url":"https:\/\/www.laterredufutur.com\/accueil\/un-train-plus-rapide-que-lavion\/","url_meta":{"origin":6547,"position":2},"title":"Des scientifiques d\u00e9veloppent un train qui peut aller plus vite que l&rsquo;avion","author":"Admin","date":"16 ao\u00fbt 2011","format":false,"excerpt":"Des chercheurs chinois ont mis au point un nouveau genre de train \u00e0 suspension magn\u00e9tique, qui permettrait litt\u00e9ralement \u00e0 celui-ci de voler au dessus des rails \u00e0 une vitesse de malade. Rien de nouveau et m\u00eame principe que le supraconducteur mais sans les histoires de temp\u00e9rature. Quoiqu\u2019il en soit, sans\u2026","rel":"","context":"Dans &quot;Divers&quot;","block_context":{"text":"Divers","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/divers\/"},"img":{"alt_text":"train du futur","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2011\/08\/train-futur.jpg?fit=400%2C266&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]},{"id":8355,"url":"https:\/\/www.laterredufutur.com\/accueil\/une-societe-us-propose-sa-version-de-lhoverboard-une-alliance-entre-un-skateboard-et-un-segway\/","url_meta":{"origin":6547,"position":3},"title":"Une soci\u00e9t\u00e9 us propose sa version de l&rsquo;hoverboard, une alliance entre un skateboard et un segway","author":"Admin","date":"7 octobre 2015","format":false,"excerpt":"Plus proche du skateboard que du v\u00e9ritable Hoverboard de Marty McFly, l\u2019invention de l\u2019entrepreneur Robert Bigler ne l\u00e9vite pas gr\u00e2ce au magn\u00e9tisme, mais dispose d\u2019une unique roue de 25 cm situ\u00e9e au milieu de la planche qui offrirait tout de m\u00eame la sensation de surfer sur le sol selon son\u2026","rel":"","context":"Dans &quot;Technologie et IA&quot;","block_context":{"text":"Technologie et IA","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/technologie\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/09\/Hoverboard.jpg?fit=883%2C420&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/09\/Hoverboard.jpg?fit=883%2C420&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/09\/Hoverboard.jpg?fit=883%2C420&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/09\/Hoverboard.jpg?fit=883%2C420&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":23596,"url":"https:\/\/www.laterredufutur.com\/accueil\/une-soucoupe-volante-concue-par-le-mit-pourrait-un-jour-survoler-la-lune\/","url_meta":{"origin":6547,"position":4},"title":"Une \u00ab\u00a0soucoupe volante\u00a0\u00bb con\u00e7ue par le MIT pourrait un jour survoler la Lune","author":"Admin","date":"29 d\u00e9cembre 2021","format":false,"excerpt":"Bien que nous consid\u00e9rions g\u00e9n\u00e9ralement les soucoupes volantes comme des engins utilis\u00e9s par les extraterrestres dans les films de science-fiction, des scientifiques du MIT proposent aujourd'hui d'en utiliser une de leur propre conception pour explorer la Lune. Le v\u00e9hicule planerait au-dessus de la surface lunaire gr\u00e2ce \u00e0 la force de\u2026","rel":"","context":"Dans &quot;Espace&quot;","block_context":{"text":"Espace","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/espace\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/12\/Secoupe-volante-du-mit.jpg?fit=900%2C600&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/12\/Secoupe-volante-du-mit.jpg?fit=900%2C600&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/12\/Secoupe-volante-du-mit.jpg?fit=900%2C600&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/12\/Secoupe-volante-du-mit.jpg?fit=900%2C600&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":588,"url":"https:\/\/www.laterredufutur.com\/accueil\/une-batterie-electrique-de-1-000-km-dautonomie\/","url_meta":{"origin":6547,"position":5},"title":"Une batterie \u00e9lectrique de 1 000 km d\u2019autonomie","author":"Admin","date":"27 octobre 2011","format":false,"excerpt":"Le groupe japonais pr\u00e9pare une batterie qui devrait assurer, \u00e0 l'horizon 2015, 2020, une autonomie cinq fois sup\u00e9rieure aux mod\u00e8les actuels.\u00a0Toyota est-il en train de mettre la main sur le Graal en mati\u00e8re d\u2019autonomie \u00e9lectrique ? C\u2019est un remarquable saut technologique que pr\u00e9pare Toyota, pour 2015 \u00e0 2020, rapporte Cartech,\u2026","rel":"","context":"Dans &quot;Solutions&quot;","block_context":{"text":"Solutions","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/solutions\/"},"img":{"alt_text":"solaire","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2011\/10\/solid-state-1.jpg?fit=464%2C310&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/6547","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/comments?post=6547"}],"version-history":[{"count":3,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/6547\/revisions"}],"predecessor-version":[{"id":6576,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/6547\/revisions\/6576"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media\/6549"}],"wp:attachment":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media?parent=6547"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/categories?post=6547"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/tags?post=6547"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}