{"id":49091,"date":"2022-06-02T06:00:00","date_gmt":"2022-06-02T04:00:00","guid":{"rendered":"https:\/\/leregardlibre.com\/?p=49091"},"modified":"2022-12-30T15:19:55","modified_gmt":"2022-12-30T14:19:55","slug":"nuclear-fusion-power-plants-where-do-we-stand","status":"publish","type":"post","link":"https:\/\/leregardlibre.com\/en\/sciences\/nuclear-fusion-power-plants-where-do-we-stand\/","title":{"rendered":"Fusion power plants: where do things stand?"},"content":{"rendered":"<div class='content_excerpt'>\n<p class=\"has-drop-cap\">Mastering fusion would make it possible to reproduce the thermonuclear reactions of stars that are not at the end of their lives, where four hydrogen atoms fuse to form one helium atom. This is the physical process that generates the greatest amount of energy. Controlling it to produce electricity would be like putting the sun in a box. But is it really feasible on Earth? If so, when? And would such plants really be less dangerous in the event of an accident than fission power plants? Alessandro Casati, PhD in physics, spent four years working on various nuclear fusion projects: the major international ITER project in France and the Tokamak at EPFL in Switzerland. The specialist now works in finance, but has continued to follow advances in the field out of passion. A great advantage: he's able to give us impartial answers to our questions.\n    <div class='restricted_content_fade'><\/div>\n    <\/div>\n  <style>\n    .content_excerpt{\n      position: relative;\n    }\n    .content_excerpt .restricted_content_fade{\n      position: absolute;\n      bottom: 0;\n      left: 0;\n      right: 0;\n      height: 75px;\n\t  margin-bottom: 0px;\n      background-image: linear-gradient(#ffffff2e, white);\n    }\n\n    .restricted_content{\n      margin-top: 30px;\n      border: solid #dddddd 1px;\n      border-radius: 7px;\n      padding: 30px;\n    }\n    \n    .restricted_content .restricted_content_title{\n      font-size: 22px;\n      font-weight: 600;\n    }\n    .restricted_content .restricted_content_flex_row{\n      display: flex;\n      flex-direction: row;\n    }\n    .restricted_content .restricted_content_image_container{\n      flex: 3;\n    }\n    .restricted_content .restricted_content_flex_column{\n      flex: 4;\n      display: flex;\n      flex-direction: column;\n      margin-left: 40px;\n      justify-content: center;\n    }\n\n\n    .restricted_content_buttons{\n      display: flex;\n      flex-direction: column;\n      width: min-content;\n    }\n    .restricted_content_button{\n      background-color: #f2f2f2;\n      text-transform: uppercase;\n      font-weight: 600;\n      padding: 8px 40px;\n      text-align: center;\n      font-size: 13px;\n      margin-top: 10px;\n      width: max-content;\n      width: 100%;\n      white-space: nowrap;\n    }\n    .restricted_content_button:hover {\n      background-color: #111111;\n      color: white;\n      text-decoration: none !important;\n    }\n\n    .restricted_content_primary_button{\n      background-color: #1F2A68 !important;\n      color: white !important;\n    }\n    .restricted_content_primary_button:hover {\n      background-color: #111111;\n    }\n\n    .restricted_content_text{\n      margin-bottom: 10px;\n      line-height: 1.2;\n      font-weight: 500;\n      font-size: 16px;\n    }\n\n  \n  <\/style>\n  <div class='restricted_content'>\n    <h3 class='restricted_content_title'>This content is reserved for our subscribers.<\/h3>\n    <div class='restricted_content_flex_row'>\n      <div class='restricted_content_image_container'>\n        <img class='restricted_content_image' src='\/wp-content\/uploads\/2025\/08\/abo_physique.png' \/>\n      <\/div>\n      <div class='restricted_content_flex_column'>\n        <div class='restricted_content_text'>If you have an account, please log in. Otherwise, discover our different subscription packages and create an account from CHF 2.50 for the first month.<\/div>\n        <div class='restricted_content_buttons'>\n          <a href='\/en\/subscription\/' class='restricted_content_button restricted_content_primary_button'>See subscriptions<\/a><a href='\/en\/my-account\/?redirect_to=https:\/\/leregardlibre.com\/en\/sciences\/nuclear-fusion-power-plants-where-do-we-stand\/'class='restricted_content_button'>Login<\/a><\/div>\n      <\/div>\n    <\/div>\n  <\/div>","protected":false},"excerpt":{"rendered":"<div class='content_excerpt'>\n<p class=\"has-drop-cap\">Mastering fusion would make it possible to reproduce the thermonuclear reactions of stars that are not at the end of their lives, where four hydrogen atoms fuse to form one helium atom. This is the physical process that generates the greatest amount of energy. Controlling it to produce electricity would be like putting the sun in a box. But is it really feasible on Earth? If so, when? And would such plants really be less dangerous in the event of an accident than fission power plants? Alessandro Casati, PhD in physics, spent four years working on various nuclear fusion projects: the major international ITER project in France and the Tokamak at EPFL in Switzerland. The specialist now works in finance, but has continued to follow advances in the field out of passion. A great advantage: he's able to give us impartial answers to our questions.<\/p>\n<div class='restricted_content_fade'><\/div>\n<\/p><\/div>\n<style>\n    .content_excerpt{\n      position: relative;\n    }\n    .content_excerpt .restricted_content_fade{\n      position: absolute;\n      bottom: 0;\n      left: 0;\n      right: 0;\n      height: 75px;\n\t  margin-bottom: 0px;\n      background-image: linear-gradient(#ffffff2e, white);\n    }<\/p>\n<p>    .restricted_content{\n      margin-top: 30px;\n      border: solid #dddddd 1px;\n      border-radius: 7px;\n      padding: 30px;\n    }<\/p>\n<p>    .restricted_content .restricted_content_title{\n      font-size: 22px;\n      font-weight: 600;\n    }\n    .restricted_content .restricted_content_flex_row{\n      display: flex;\n      flex-direction: row;\n    }\n    .restricted_content .restricted_content_image_container{\n      flex: 3;\n    }\n    .restricted_content .restricted_content_flex_column{\n      flex: 4;\n      display: flex;\n      flex-direction: column;\n      margin-left: 40px;\n      justify-content: center;\n    }<\/p>\n<p>    .restricted_content_buttons{\n      display: flex;\n      flex-direction: column;\n      width: min-content;\n    }\n    .restricted_content_button{\n      background-color: #f2f2f2;\n      text-transform: uppercase;\n      font-weight: 600;\n      padding: 8px 40px;\n      text-align: center;\n      font-size: 13px;\n      margin-top: 10px;\n      width: max-content;\n      width: 100%;\n      white-space: nowrap;\n    }\n    .restricted_content_button:hover {\n      background-color: #111111;\n      color: white;\n      text-decoration: none !important;\n    }<\/p>\n<p>    .restricted_content_primary_button{\n      background-color: #1F2A68 !important;\n      color: white !important;\n    }\n    .restricted_content_primary_button:hover {\n      background-color: #111111;\n    }<\/p>\n<p>    .restricted_content_text{\n      margin-bottom: 10px;\n      line-height: 1.2;\n      font-weight: 500;\n      font-size: 16px;\n    }<\/p>\n<\/style>\n<div class='restricted_content'>\n<h3 class='restricted_content_title'>This content is reserved for our subscribers.<\/h3>\n<div class='restricted_content_flex_row'>\n<div class='restricted_content_image_container'>\n        <img class='restricted_content_image' src='\/wp-content\/uploads\/2025\/08\/abo_physique.png' \/>\n      <\/div>\n<div class='restricted_content_flex_column'>\n<div class='restricted_content_text'>If you have an account, please log in. Otherwise, discover our different subscription packages and create an account from CHF 2.50 for the first month.<\/div>\n<div class='restricted_content_buttons'>\n          <a href='\/en\/subscription\/' class='restricted_content_button restricted_content_primary_button'>See subscriptions<\/a><a href='\/en\/my-account\/?redirect_to=https:\/\/leregardlibre.com\/en\/sciences\/nuclear-fusion-power-plants-where-do-we-stand\/'class='restricted_content_button'>Login<\/a><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>","protected":false},"author":77,"featured_media":49100,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[644357651],"tags":[644357647,644357644,644357652,11788],"class_list":["post-49091","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sciences","tag-alessandro-casati","tag-dossier-nucleaire","tag-fusion-nucleaire","tag-interviews","membership-content","access-restricted"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.9 (Yoast SEO v26.9) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Fusion nucl\u00e9aire: o\u00f9 en est-on concr\u00e8tement? 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