{"id":6921,"date":"2020-08-06T09:00:46","date_gmt":"2020-08-06T09:00:46","guid":{"rendered":"https:\/\/france-amerique.com\/seventy-five-years-ago-france-amerique-explained-the-atomic-bomb\/"},"modified":"2023-07-27T10:43:16","modified_gmt":"2023-07-27T15:43:16","slug":"il-y-a-75-ans-france-amerique-expliquait-la-bombe-atomique","status":"publish","type":"post","link":"https:\/\/france-amerique.com\/fr\/il-y-a-75-ans-france-amerique-expliquait-la-bombe-atomique\/","title":{"rendered":"Il y a 75 ans, France-Am\u00e9rique expliquait la bombe atomique"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"6921\" class=\"elementor elementor-6921\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-46a8290f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"46a8290f\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-8881ec9\" data-id=\"8881ec9\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-41006cdd elementor-widget elementor-widget-text-editor\" data-id=\"41006cdd\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p style=\"text-align: justify;\"><span style=\"color: #000000;\">\u00ab\u00a0La bombe atomique utilise l\u2019\u00e9nergie d\u00e9gag\u00e9e pendant la r\u00e9action de d\u00e9sint\u00e9gration des atomes\u00a0\u00bb, \u00e9crit Jacques Errera, qui a fui la Belgique au d\u00e9but de la Deuxi\u00e8me Guerre mondiale et dirige \u00e0 New York un laboratoire qui collabore avec la d\u00e9fense am\u00e9ricaine. Pour donner au lecteur une id\u00e9e de la puissance de l\u2019\u00e9nergie atomique, il la compare au charbon que l\u2019on br\u00fble alors dans les po\u00eales et les locomotives : \u00ab\u00a0un gramme d\u2019uranium peut lib\u00e9rer 20 000 kilowattheures, soit deux millions de fois plus\u00a0\u00bb qu\u2019un gramme de charbon.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-ca9316a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"ca9316a\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-a8afbe2\" data-id=\"a8afbe2\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-dc65654 elementor-widget elementor-widget-image\" data-id=\"dc65654\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"979\" height=\"2560\" src=\"https:\/\/france-amerique.com\/wp-content\/uploads\/2020\/08\/France-Amerique-jacques-Errera-atomic-bomb-1945-2-scaled.jpg\" class=\"attachment-full size-full wp-image-19708\" alt=\"France-Amerique-jacques-Errera-atomic-bomb-1945 (1)\" srcset=\"https:\/\/france-amerique.com\/wp-content\/uploads\/2020\/08\/France-Amerique-jacques-Errera-atomic-bomb-1945-2-scaled.jpg 979w, https:\/\/france-amerique.com\/wp-content\/uploads\/2020\/08\/France-Amerique-jacques-Errera-atomic-bomb-1945-2-115x300.jpg 115w, https:\/\/france-amerique.com\/wp-content\/uploads\/2020\/08\/France-Amerique-jacques-Errera-atomic-bomb-1945-2-768x2009.jpg 768w, https:\/\/france-amerique.com\/wp-content\/uploads\/2020\/08\/France-Amerique-jacques-Errera-atomic-bomb-1945-2-587x1536.jpg 587w, https:\/\/france-amerique.com\/wp-content\/uploads\/2020\/08\/France-Amerique-jacques-Errera-atomic-bomb-1945-2-783x2048.jpg 783w\" sizes=\"(max-width: 979px) 100vw, 979px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\"><\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-b37cb7a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"b37cb7a\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-4bdcb5c\" data-id=\"4bdcb5c\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1fb333c elementor-widget elementor-widget-text-editor\" data-id=\"1fb333c\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p style=\"text-align: justify;\"><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif; font-size: var( --e-global-typography-text-font-size ); font-weight: var( --e-global-typography-text-font-weight );\">L\u2019\u00e9nergie nucl\u00e9aire est une source d\u2019\u00e9nergie peu co\u00fbteuse et peu encombrante, capable de remplacer le charbon, d\u2019illuminer les villes et de propulser un avion autour du monde, poursuit le scientifique. Si la r\u00e9action en cha\u00eene (comparable \u00ab\u00a0aux lettres-cha\u00eenes, recopi\u00e9es \u00e0 l\u2019infini par les gens superstitieux\u00a0\u00bb !) peut \u00eatre contr\u00f4l\u00e9e, cette nouvelle \u00e9nergie entra\u00eenera \u00ab\u00a0un changement profond dans la mani\u00e8re de vivre des hommes\u00a0\u00bb. Les avions nucl\u00e9aires ne d\u00e9passeront jamais le stade de prototype, mais l\u2019histoire confirmera les autres pr\u00e9dictions du savant.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-03ba426 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"03ba426\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-91b209c\" data-id=\"91b209c\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-14c8ecc elementor-widget elementor-widget-heading\" data-id=\"14c8ecc\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Un coll\u00e8gue de Marie Curie et d\u2019Einstein<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-a9a41b4 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a9a41b4\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-6334de0\" data-id=\"6334de0\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-60aeed5 elementor-widget elementor-widget-text-editor\" data-id=\"60aeed5\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p style=\"text-align: justify;\"><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif; font-size: var( --e-global-typography-text-font-size ); font-weight: var( --e-global-typography-text-font-weight );\">N\u00e9 dans une influente famille juive de Bruxelles, Jacques Errera (1896-1977) compte dans les ann\u00e9es 1930 parmi les scientifiques les plus reconnus d\u2019Europe. Docteur en sciences chimiques, il partage \u00e0 l\u2019Universit\u00e9 libre de Bruxelles un laboratoire avec Albert Einstein et participe avec lui aux prestigieux <\/span><a style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif; font-size: var( --e-global-typography-text-font-size ); font-weight: var( --e-global-typography-text-font-weight ); background-color: #ffffff; color: #000000;\" href=\"https:\/\/albert.ias.edu\/explore?bitstream_id=076e877a-cbde-41cf-8bfd-8a9132cef488&amp;handle=20.500.12111\/1303&amp;provider=iiif-image\" target=\"_blank\" rel=\"noopener noreferrer\"><span style=\"text-decoration-line: underline;\">congr\u00e8s Solvay<\/span><\/a><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif; font-size: var( --e-global-typography-text-font-size ); font-weight: var( --e-global-typography-text-font-weight );\">. Lors de ces conf\u00e9rences, il c\u00f4toie Marie Curie, Auguste Piccard, Erwin Schr\u00f6dinger ou encore Werner Heisenberg, le physicien allemand qui dirigera le programme nucl\u00e9aire nazi et donnera son pseudonyme au h\u00e9ros de la s\u00e9rie <\/span><em style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif; font-size: var( --e-global-typography-text-font-size ); font-weight: var( --e-global-typography-text-font-weight );\">Breaking Bad<\/em><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif; font-size: var( --e-global-typography-text-font-size ); font-weight: var( --e-global-typography-text-font-weight );\">.<\/span><\/p><p style=\"text-align: justify;\"><span style=\"color: #000000;\">Pour ses travaux dans le domaine de la constitution mol\u00e9culaire de la mati\u00e8re, Jacques Errera recevra des mains du roi des Belges L\u00e9opold III le <a style=\"color: #000000;\" href=\"http:\/\/www.francquifoundation.be\/rapport-cherchye-de-rock-vermeulen\/rapport-jury-jacques-errera\/\" target=\"_blank\" rel=\"noopener noreferrer\"><span style=\"text-decoration: underline;\">prix Francqui<\/span><\/a> le 7 avril 1938. Apr\u00e8s la guerre, il sera nomm\u00e9 conseiller belge aupr\u00e8s de la Commission \u00e0 l&rsquo;\u00e9nergie atomique des Nations Unies et repr\u00e9sentant permanent de la Belgique aupr\u00e8s de l\u2019Agence internationale de l\u2019\u00e9nergie atomique.<\/span><\/p><p style=\"text-align: justify;\"><span style=\"color: #000000;\">D\u00e8s 1945, le savant entrevoit le danger de la prolif\u00e9ration nucl\u00e9aire et le tragique paradoxe de la Guerre froide, qui fait d\u00e9pendre la s\u00e9curit\u00e9 du monde d&rsquo;armes capables de le d\u00e9truire. \u00ab\u00a0Si cette guerre n\u2019\u00e9tait pas la derni\u00e8re guerre mondiale\u00a0\u00bb, \u00e9crit-il, \u00ab\u00a0elle serait en tout cas l\u2019avant-derni\u00e8re, car la guerre, d\u00e9sormais, en utilisant la combinaison des bombes atomiques et des [missiles balistiques], entra\u00eenerait la destruction de la terre\u00a0\u00bb.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-c2ae1b9 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"c2ae1b9\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-f6217dc\" data-id=\"f6217dc\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-b1ebed0 elementor-widget elementor-widget-heading\" data-id=\"b1ebed0\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Tchernobyl et de Fukushima<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-8a69fc0 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8a69fc0\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-ad6348c\" data-id=\"ad6348c\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8cc4751 elementor-widget elementor-widget-text-editor\" data-id=\"8cc4751\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p style=\"text-align: justify;\"><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif; font-size: var( --e-global-typography-text-font-size ); font-weight: var( --e-global-typography-text-font-weight );\">Mais dix jours \u00e0 peine apr\u00e8s ces explosions, \u00e0 l\u2019heure o\u00f9 les r\u00e9seaux sociaux et les images en direct n\u2019existent pas, Jacques Errera manque de recul. Exalt\u00e9 par les possibilit\u00e9s de progr\u00e8s scientifique et technologique immenses qu\u2019offre cette d\u00e9couverte, qu\u2019il compare \u00e0 \u00ab\u00a0celle de l\u2019\u00e9lectricit\u00e9, de la machine \u00e0 vapeur, du feu m\u00eame\u00a0\u00bb, il sous-estime gravement ses cons\u00e9quences. Il ne mentionne pas les survivants contamin\u00e9s par les radiations, surnomm\u00e9s en japonais <\/span><em style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif; font-size: var( --e-global-typography-text-font-size ); font-weight: var( --e-global-typography-text-font-weight );\">hibakusha<\/em><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif; font-size: var( --e-global-typography-text-font-size ); font-weight: var( --e-global-typography-text-font-weight );\">\u00a0(\u00ab\u00a0ceux affect\u00e9s par l\u2019explosion\u00a0\u00bb). Il n\u2019anticipe pas non plus l&rsquo;accident de Three Mile Island, les catastrophes de Tchernobyl et de Fukushima, ni la probl\u00e9matique des d\u00e9chets radioactifs.<\/span><\/p><p style=\"text-align: justify;\"><span style=\"color: #000000;\">Avec l\u2019optimiste du scientifique, il pr\u00e9voit que l\u2019\u00e9nergie atomique \u00ab\u00a0va offrir au genre humain des possibilit\u00e9s infiniment plus grandes dans la paix que son application aux choses de la guerre\u00a0\u00bb. Jacques Errera voit dans l\u2019explosion de <em>Little Boy<\/em> et de <em>Fat Man<\/em> \u2013 le surnom des deux bombes largu\u00e9es sur le Japon \u2013 un signe d\u2019espoir : c\u2019est le triomphe d\u2019une entreprise qui a r\u00e9uni \u00ab\u00a0100 000 savants, ing\u00e9nieurs et ouvriers\u00a0\u00bb, la promesse de la science au service de l\u2019humanit\u00e9. Question de point de vue. Albert Camus, qui \u00e9crit dans le journal <em>Combat<\/em>, y verra lui \u00ab\u00a0la civilisation m\u00e9canique [&#8230;] \u00e0 son dernier degr\u00e9 de sauvagerie\u00a0\u00bb.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Le 6 et le 9 ao\u00fbt 1945, les villes japonaises de Hiroshima et Nagasaki \u00e9taient an\u00e9anties, frapp\u00e9es par une bombe d\u2019une incroyable puissance destructrice. Dans un rare article de vulgarisation scientifique, <I>France-Am\u00e9rique<\/I> donne, en une de son \u00e9dition du 19 ao\u00fbt 1945, la parole au physicien belge Jacques Errera. Le savant y d\u00e9taille la fission nucl\u00e9aire et dessine le futur de l\u2019\u00e2ge atomique.<\/p>\n","protected":false},"author":5,"featured_media":19621,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[32],"tags":[],"class_list":["post-6921","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-culture"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Il y a 75 ans, France-Am\u00e9rique expliquait la bombe atomique<\/title>\n<meta name=\"description\" content=\"Le 19 ao\u00fbt 1945, pour France-Am\u00e9rique, le physicien belge Jacques Errera explique la fission nucl\u00e9aire et dessine le futur de l\u2019\u00e2ge atomique.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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