{"id":218674,"date":"2021-09-07T20:31:48","date_gmt":"2021-09-07T19:31:48","guid":{"rendered":"https:\/\/www.realites.com.tn\/?p=218674"},"modified":"2021-09-07T20:31:48","modified_gmt":"2021-09-07T19:31:48","slug":"tempete-solaire-la-terre-privee-dinternet-pendant-des-mois","status":"publish","type":"post","link":"https:\/\/realites.com.tn\/fr\/tempete-solaire-la-terre-privee-dinternet-pendant-des-mois\/","title":{"rendered":"Temp\u00eate solaire : la Terre priv\u00e9e d\u2019Internet pendant des mois ?"},"content":{"rendered":"<div>Les travaux de la chercheuse californienne Sangeetha Jyothi r\u00e9v\u00e8lent qu\u2019une gigantesque temp\u00eate solaire pourrait priver l\u2019Humanit\u00e9 d\u2019Internet pendant des mois. Ce type de cataclysme survient environ une fois par si\u00e8cle, la derni\u00e8re a eu lieu en 1921.<\/div>\n<div>Que se passerait-il si l\u2019ensemble de la plan\u00e8te, ou en tout cas une bonne partie, \u00e9tait priv\u00e9e d\u2019Internet pendant des mois ? Comptes bancaires inaccessibles, disparition des GPS, coupure des communications mondiales, appareils m\u00e9dicaux ne r\u00e9pondant plus, tous ces sc\u00e9narios sont imaginables et ils n\u2019ont rien de bien r\u00e9jouissant. \u00c0 en croire les travaux de la chercheuse californienne Sangeetha Jyothi, relay\u00e9s par Wired et Ulyces, il n\u2019ont pourtant rien d\u2019impossible.<\/div>\n<div>Professeure adjointe \u00e0 l\u2019universit\u00e9 de Californie \u00e0 Irvine, elle a en effet r\u00e9alis\u00e9 une \u00e9tude qui va dans ce sens. Ce document montre que le brouillard \u00e9lectromagn\u00e9tique que le Soleil envoie sur la Terre, aussi appel\u00e9 vents solaires, se transforme parfois en v\u00e9ritable temp\u00eate. Et lorsque cela arrive, le bouclier magn\u00e9tique naturel de notre plan\u00e8te ne suffit plus \u00e0 la prot\u00e9ger. Le brouillard n\u2019est donc plus repouss\u00e9 vers les p\u00f4les et il peut causer de s\u00e9v\u00e8res dommages sur Terre. Comme la destruction d\u2019une importante partie des \u00e9quipements permettant le fonctionnement d\u2019Internet.<\/div>\n<div><\/div>\n<div><strong>*Une temp\u00eate par si\u00e8cle<\/strong><\/div>\n<div>Toujours selon la chercheuse, ce genre de temp\u00eate se produit environ une fois tous les si\u00e8cles. Les deux derni\u00e8res ayant eu lieu en 1859 et en 1921, il est toutefois impossible de mesurer les cons\u00e9quences exactes d\u2019un tel \u00e9v\u00e9nement aujourd\u2019hui. Et pour cause, \u00e0 cette \u00e9poque, le monde n\u2019\u00e9tait pas d\u00e9pendant d\u2019Internet comme il l\u2019est de nos jours. En fait, l\u2019id\u00e9e du monde num\u00e9rique aurait m\u00eame \u00e9t\u00e9 consid\u00e9r\u00e9e, au mieux, comme un doux r\u00eave.<\/div>\n<div>Cette perspective est d\u2019autant plus inqui\u00e9tante que notre monde n\u2019est absolument pas pr\u00e9par\u00e9 \u00e0 affronter une crise d\u2019une telle ampleur, comme nous l\u2019a r\u00e9cemment r\u00e9v\u00e9l\u00e9 celle du Covid-19. \u201cCe qui m\u2019a vraiment fait r\u00e9fl\u00e9chir, c\u2019est qu\u2019avec la pand\u00e9mie, nous avons vu \u00e0 quel point le monde \u00e9tait mal pr\u00e9par\u00e9. Il n\u2019y avait aucun protocole pour y faire face efficacement, et c\u2019est la m\u00eame chose avec la r\u00e9silience de l\u2019Internet. Notre infrastructure n\u2019est pas pr\u00e9par\u00e9e \u00e0 un \u00e9v\u00e9nement solaire de grande ampleur\u201d, explique Sangeetha Jyothi \u00e0 nos confr\u00e8res du site am\u00e9ricain Wired.<\/div>\n<div>S\u2019il semble \u00e9videmment difficile d\u2019imaginer \u00e0 quoi ressemblerait r\u00e9ellement une grande coupure d\u2019internet de plusieurs mois, ces travaux nous posent une question de plus en plus difficile \u00e0 \u00e9viter. Allons-nous enfin commencer \u00e0 penser \u00e0 long terme et \u00e0 pr\u00e9parer des protocoles d\u2019urgence pour parer aux crises qui ne manqueront pas d\u2019arriver ? Seul l\u2019avenir le dira.<\/div>\n<div style=\"text-align: right\">(Yahoo Actualit\u00e9s)<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Les travaux de la chercheuse californienne Sangeetha Jyothi r\u00e9v\u00e8lent qu\u2019une gigantesque temp\u00eate solaire pourrait priver l\u2019Humanit\u00e9 d\u2019Internet pendant des mois. Ce type de cataclysme survient environ une fois par si\u00e8cle,&hellip;<\/p>\n","protected":false},"author":60,"featured_media":218675,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[7],"tags":[],"class_list":["post-218674","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-monde"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Temp\u00eate solaire : la Terre priv\u00e9e d\u2019Internet pendant des mois ? - R\u00e9alit\u00e9s Magazine<\/title>\n<meta name=\"description\" content=\"Les travaux de la chercheuse californienne Sangeetha Jyothi r\u00e9v\u00e8lent qu\u2019une gigantesque temp\u00eate solaire pourrait priver l\u2019Humanit\u00e9 d\u2019Internet pendant des\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/realites.com.tn\/fr\/tempete-solaire-la-terre-privee-dinternet-pendant-des-mois\/amp\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Temp\u00eate solaire : la Terre priv\u00e9e d\u2019Internet pendant des mois ? 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