{"id":7098,"date":"2015-06-02T13:00:28","date_gmt":"2015-06-02T11:00:28","guid":{"rendered":"http:\/\/www.laterredufutur.com\/accueil\/?p=7098"},"modified":"2015-06-02T16:50:06","modified_gmt":"2015-06-02T14:50:06","slug":"gravitylight-la-lampe-revolutionnaire-qui-pourrait-changer-la-vie-des-habitants-sans-electricite","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/gravitylight-la-lampe-revolutionnaire-qui-pourrait-changer-la-vie-des-habitants-sans-electricite\/","title":{"rendered":"GravityLight, la lampe r\u00e9volutionnaire qui pourrait changer la vie des habitants sans \u00e9lectricit\u00e9"},"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 style=\"text-align: justify;\">Et s&rsquo;il existait une lampe qui fonctionnait sans \u00e9lectricit\u00e9, piles, vent ou encore \u00e9nergie solaire, qui permettrait d&rsquo;am\u00e9liorer la vie de pr\u00e8s d&rsquo;un milliard de personnes dans les pays en d\u00e9veloppement ? C&rsquo;est d\u00e9sormais chose faite avec la Gravity Light.<\/p>\n<p style=\"text-align: justify;\">M\u00eame si beaucoup pensent que l\u2019\u00e9lectricit\u00e9 est une ressource acquise, et qu&rsquo;il suffit d&rsquo;appuyer sur un interrupteur pour allumer la lumi\u00e8re, pr\u00e8s d&rsquo;un milliard de personnes dans le monde n&rsquo;y ont toujours pas acc\u00e8s. D\u00e8s lors, tomb\u00e9e la nuit, nombre d&rsquo;entre-elles utilisent des lampes \u00e0 p\u00e9trole. Mais ces lampes pr\u00e9sentent de nombreux dangers, parmi lesquels des fum\u00e9es canc\u00e9rig\u00e8nes et des risques d&rsquo;incendies.<\/p>\n<p style=\"text-align: justify;\">Pour rem\u00e9dier \u00e0 ce probl\u00e8me, une \u00e9quipe d&rsquo;ing\u00e9nieurs du Royaume Uni a imagin\u00e9 un projet ambitieux : une lampe fonctionnant avec la gravit\u00e9. Le concept est simple, la GravityLight fonctionne un peu comme une poulie, il faut attacher un poids de 12 kg (un sac de pierre ou de sable par exemple) puis mettre l&rsquo;appareil en hauteur. De sorte que le poids, en descendant, cr\u00e9e une tension, elle-m\u00eame convertie en \u00e9nergie cin\u00e9tique, entra\u00eenant un pignon qui allume les diodes \u00e9lectroluminescentes (DEL).<\/p>\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\/1dd9NIlhvlI?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><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 style=\"text-align: justify;\">Il s&rsquo;agit en quelque sorte d&rsquo;une grosse dynamo qui offre un cycle de lumi\u00e8re (descente totale du poids) d&rsquo;une dur\u00e9e de 20 \u00e0 30 minutes selon le poids appliqu\u00e9. De l&rsquo;argent en plus, les dangers en moins Sans surprise, un tel dispositif pr\u00e9sente de nombreux avantages. Propos\u00e9e au prix de 10 dollars, la GravityLight est beaucoup moins ch\u00e8re qu&rsquo;une lampe \u00e0 p\u00e9trole.<\/p>\n<p style=\"text-align: justify;\">La gravit\u00e9 \u00e9tant une source gratuite, cette lampe repr\u00e9sente d&rsquo;autant plus d&rsquo;\u00e9conomies qu&rsquo;elle ne co\u00fbte rien \u00e0 alimenter, contrairement aux lampes \u00e0 fioul pouvant repr\u00e9senter jusqu&rsquo;\u00e0 30% du revenu mensuel moyen en p\u00e9trole. Par ailleurs, la gravit\u00e9 est une source illimit\u00e9e contrairement \u00e0 l&rsquo;\u00e9nergie solaire par exemple qui devient inutilisable d\u00e8s que la nuit tombe. La lampe peut ainsi \u00eatre utilis\u00e9e d\u00e8s que besoin et avec tr\u00e8s peu de mat\u00e9riel.<\/p>\n<p style=\"text-align: justify;\">Apr\u00e8s avoir cr\u00e9\u00e9 un premier prototype, les ing\u00e9nieurs ont r\u00e9alis\u00e9 des tests aupr\u00e8s de 1.300 familles ce qui a permis d&rsquo;am\u00e9liorer le dispositif et de cr\u00e9er un second prototype.<\/p>\n<p style=\"text-align: justify;\"><a href=\"http:\/\/www.laterredufutur.com\/accueil\/\" target=\"_blank\">TDF<\/a><\/p>\n<p style=\"text-align: justify;\">extrait et source : <a href=\"http:\/\/www.maxisciences.com\/\" target=\"_blank\">http:\/\/www.maxisciences.com\/<\/a><\/p>\n<p class=\"bawpvc-ajax-counter\" data-id=\"7098\">(820)<\/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>Et s&rsquo;il existait une lampe qui fonctionnait sans \u00e9lectricit\u00e9, piles, vent ou encore \u00e9nergie solaire, qui permettrait d&rsquo;am\u00e9liorer la vie&#8230;<\/p>\n","protected":false},"author":1,"featured_media":7099,"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_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},"jetpack_post_was_ever_published":false},"categories":[26],"tags":[102,101,4402,4401,4403,962,420,2804,684,1340],"class_list":["post-7098","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-solutions","tag-economie","tag-energie","tag-gravite","tag-gravitylight","tag-lampe","tag-lumiere","tag-nouveaute","tag-pauvres","tag-video","tag-youtube","wpcat-26-id"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/06\/GravityLight.jpg?fit=640%2C360&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p631RN-1Qu","jetpack-related-posts":[{"id":17099,"url":"https:\/\/www.laterredufutur.com\/accueil\/liter-of-light-detonnantes-lampes-faites-de-bouteilles\/","url_meta":{"origin":7098,"position":0},"title":"Liter of Light, d&rsquo;\u00e9tonnantes lampes faites de bouteilles","author":"Admin","date":"17 novembre 2018","format":false,"excerpt":"Pour assurer une source lumineuse efficace et s\u00e9curitaire aux personnes n\u2019ayant pas acc\u00e8s \u00e0 l\u2019\u00e9lectricit\u00e9, une ONG propose une lampe bouteille \u00e0 moindre cout. Celle-ci fonctionne gr\u00e2ce \u00e0 l\u2019\u00e9nergie solaire et peut m\u00eame \u00eatre d\u00e9clin\u00e9e en lampadaire pour assurer un \u00e9clairage public. L\u2019une des cons\u00e9quences imm\u00e9diates d\u2019une catastrophe naturelle, comme\u2026","rel":"","context":"Dans &quot;Solutions&quot;","block_context":{"text":"Solutions","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/solutions\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/img.youtube.com\/vi\/cQCHvO2H0_0\/0.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":10782,"url":"https:\/\/www.laterredufutur.com\/accueil\/perou-ils-produisent-de-lelectricite-grace-a-la-photosynthese-des-plantes\/","url_meta":{"origin":7098,"position":1},"title":"P\u00e9rou : ils produisent de l\u2019\u00e9lectricit\u00e9 gr\u00e2ce \u00e0 la photosynth\u00e8se des plantes","author":"Admin","date":"6 f\u00e9vrier 2016","format":false,"excerpt":"Des scientifiques p\u00e9ruviens ont imagin\u00e9 un syst\u00e8me autonome et durable capable de capter l\u2019\u00e9nergie de la photosynth\u00e8se d\u2019une plante pour ainsi cr\u00e9er de l\u2019\u00e9lectricit\u00e9. Un mod\u00e8le nomm\u00e9 \"Plantal\u00e1mpara\" permet d\u00e9sormais d\u2019apporter la lumi\u00e8re aux populations rurales vivant dans la for\u00eat amazonienne. Quand l\u2019homme contemple son environnement et s\u2019inspirent de M\u00e8re\u2026","rel":"","context":"Dans &quot;Solutions&quot;","block_context":{"text":"Solutions","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/solutions\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/01\/lumiere-plante.jpg?fit=650%2C431&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/01\/lumiere-plante.jpg?fit=650%2C431&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/01\/lumiere-plante.jpg?fit=650%2C431&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":16130,"url":"https:\/\/www.laterredufutur.com\/accueil\/watly-la-machine-incroyable-qui-offre-lenergie-et-leau-potable\/","url_meta":{"origin":7098,"position":2},"title":"Watly : la machine incroyable qui offre l&rsquo;\u00e9nergie et l&rsquo;eau potable","author":"Admin","date":"26 d\u00e9cembre 2017","format":false,"excerpt":"Une start-up italienne veut r\u00e9volutionner la vie de millions de personnes en rendant accessibles \u00e0 la fois eau, \u00e9lectricit\u00e9 et internet, le tout en un ! C\u2019est ce qu\u2019elle propose de faire gr\u00e2ce \u00e0 Watly, un g\u00e9n\u00e9rateur au design futuriste, concentrant le meilleur des technologies actuelles, \u00e0 la fois source\u2026","rel":"","context":"Dans &quot;Solutions&quot;","block_context":{"text":"Solutions","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/solutions\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/12\/watly.jpg?fit=624%2C352&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/12\/watly.jpg?fit=624%2C352&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/12\/watly.jpg?fit=624%2C352&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":4306,"url":"https:\/\/www.laterredufutur.com\/accueil\/lampoule-du-futur\/","url_meta":{"origin":7098,"position":3},"title":"L&rsquo;ampoule du futur","author":"Admin","date":"15 f\u00e9vrier 2008","format":false,"excerpt":"Une soci\u00e9t\u00e9 canadienne annonce une m\u00e9thode de fabrication r\u00e9volutionnaire permettant de concevoir une meilleure ampoule \u00e9lectrique. Cette innovation pourrait mener \u00e0 la conception d'une ampoule qui a une dur\u00e9e de vie de 20 ans et consomme 90 pour cent moins d'\u00e9nergie que les ampoules \u00e9lectriques traditionnelles. La qu\u00eate mondiale visant\u2026","rel":"","context":"Dans &quot;Solutions&quot;","block_context":{"text":"Solutions","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/solutions\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/04\/ampoule.jpg?fit=391%2C266&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]},{"id":9934,"url":"https:\/\/www.laterredufutur.com\/accueil\/le-chanteur-akon-apporte-lelectricite-a-600-millions-de-personnes-en-afrique\/","url_meta":{"origin":7098,"position":4},"title":"Le chanteur Akon apporte l\u2019\u00e9lectricit\u00e9 \u00e0 600 millions de personnes en Afrique","author":"Admin","date":"27 d\u00e9cembre 2015","format":false,"excerpt":"Akon est en train de mener une r\u00e9volution en Afrique dans le domaine de l\u2019\u00e9lectrification rurale. Il conna\u00eet bien le probl\u00e8me. Le chanteur a en effet grandi sans \u00e9lectricit\u00e9, \u00e0 Kaolack, au S\u00e9n\u00e9gal. L\u2019ann\u00e9e derni\u00e8re, il a lanc\u00e9 l\u2019initiative Akon Lighting Africa, dont le but est de fournir de l\u2019\u00e9lectricit\u00e9\u2026","rel":"","context":"Dans &quot;Solutions&quot;","block_context":{"text":"Solutions","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/solutions\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/12\/akon-lightning.jpg?fit=403%2C201&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]},{"id":4554,"url":"https:\/\/www.laterredufutur.com\/accueil\/bientot-la-lumiere-a-volonte-a-moindre-coup\/","url_meta":{"origin":7098,"position":5},"title":"Bient\u00f4t la lumi\u00e8re \u00e0 volont\u00e9 \u00e0 moindre coup","author":"Admin","date":"11 ao\u00fbt 2008","format":false,"excerpt":"Pourquoi pas s'offrir une maison qui change de couleur ? Un plafond \u00e9clairant ? Ou encore un \u00e9cran de t\u00e9l\u00e9vision souple et mince comme une feuille de papier ? Tout cela sera bient\u00f4t possible, gr\u00e2ce aux diodes \u00e9lectroluminescentes. Pour faire des \u00e9conomies d'\u00e9nergie, si on s'attaquait d'abord aux ampoules ?\u2026","rel":"","context":"Dans &quot;Solutions&quot;","block_context":{"text":"Solutions","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/solutions\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/04\/tour-agbar.jpg?fit=206%2C350&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\/7098","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=7098"}],"version-history":[{"count":3,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/7098\/revisions"}],"predecessor-version":[{"id":7122,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/7098\/revisions\/7122"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media\/7099"}],"wp:attachment":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media?parent=7098"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/categories?post=7098"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/tags?post=7098"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}