{"id":264647,"date":"2023-10-01T09:00:00","date_gmt":"2023-10-01T07:00:00","guid":{"rendered":"https:\/\/sherpas.com\/blog\/?p=264647"},"modified":"2025-09-02T17:31:04","modified_gmt":"2025-09-02T15:31:04","slug":"einstein","status":"publish","type":"post","link":"https:\/\/sherpas.com\/blog\/einstein\/","title":{"rendered":"Einstein : un homme entre deux univers ! \u267e\ufe0f"},"content":{"rendered":"\n<p>Tu le connais certainement pour son g\u00e9nie et sa coupe de cheveux plus que hasardeuse. Ou bien si tu as vu le dernier film de Christopher Nolan, <em>Oppenheimer<\/em>, tu penses qu\u2019Albert Einstein n\u2019\u00e9tait qu\u2019un vieil homme pensif se promenant \u00e0 l\u2019arri\u00e8re d\u2019un beau jardin. \ud83e\uddd3<\/p>\n\n\n\n<p>Mais qui se cache derri\u00e8re <strong>ce personnage plus que complexe<\/strong> : un savant fou ? Un g\u00e9nie ayant mis \u00e0 mal le monde pour avoir r\u00e9v\u00e9l\u00e9 les secrets de l\u2019arme nucl\u00e9aire ?&nbsp;<\/p>\n\n\n\n<p>Eh bien, c\u2019est ce que nous allons voir dans cet article sur un homme qui, sans en conna\u00eetre les principes, aura r\u00e9ussi \u00e0 traverser le temps. \ud83d\udd70\ufe0f<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"lenfant-curieux-en-quete-de-connaissances\">L&rsquo;enfant curieux en qu\u00eate de connaissances \ud83e\uddd2<\/h2>\n\n\n\n<p>N\u00e9 le 14 mars 1879 et de nationalit\u00e9 allemande, le jeune Albert (\u00e0 l\u2019\u00e9poque, ce pr\u00e9nom pouvait \u00eatre styl\u00e9, pas de moqueries s\u2019il vous pla\u00eet) a toujours \u00e9t\u00e9 d\u00e9peint comme <strong>un cancre incapable de suivre les cours<\/strong> de fa\u00e7on orthodoxe, comme le reste de ses camarades. Mais qu\u2019en est-il vraiment ?<\/p>\n\n\n<section class=\"you-know\">\n                <div class=\"you-know__title\"><p><span style=\"font-weight: 400\">\ud83d\udca1 Pour info<\/span><\/p>\n<\/div>\n                        <div class=\"you-know__text\">\n            <p><span style=\"font-weight: 400\">Einstein est mort le 18 avril 1955 \u00e0 Princeton, dans le New Jersey. Notre cher physicien s\u2019\u00e9tait, en effet, exil\u00e9 aux \u00c9tats-Unis (nous reverrons cela plus tard).\u00a0<\/span><\/p>\n\n        <\/div>\n              <\/section>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"son-enfance\">Son enfance \ud83d\udc6a<\/h3>\n\n\n\n<p>Que faisais-tu \u00e0 cinq ans ? Tu collectionnais les cartes Pok\u00e9mon, jouais aux petites voitures, \u00e9tais passionn\u00e9 de sport\u2026 Einstein, lui, \u00e9tait <strong>fascin\u00e9 par une boussole<\/strong> (grosse passion). Le fonctionnement de cette derni\u00e8re lui para\u00eet miraculeux, tellement, qu\u2019il en restera \u00e9merveill\u00e9 \ud83e\udded.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/media.giphy.com\/media\/ghuvaCOI6GOoTX0RmH\/giphy.gif \" alt=\"Steve Carell interrogatif\"\/><\/figure>\n<\/div>\n\n\n<p>Plus tard, dans sa jeunesse, \u00e0 l\u2019\u00e2ge de 12 ans, il sera captiv\u00e9 par un ouvrage sur la g\u00e9om\u00e9trie euclidienne (rien de plus normal, non ?). Il s\u2019amusera \u00e0 <strong>r\u00e9soudre des probl\u00e8mes math\u00e9matiques<\/strong> que son oncle, ing\u00e9nieur de profession, lui posera (une enfance classique quoi).<\/p>\n\n\n<section class=\"push \">\n        <div >\n            \n                                                <div class=\"push__container  qcd\" data-target=\"_self\" data-qcd=\"aHR0cHM6Ly9zaGVycGFzLmNvbS9mdW5uZWwtc3R1ZGVudC1xdWFsaWZpY2F0aW9u\" data-banner=\"2\" data-name=\"CPM1 Chimie\" style=\"background-color: #F3FBF7\" >\n                                                                        <div class=\"push__teachers\">\n    <div class=\"d-flex justify-content-center d-md-none\">\n        <img decoding=\"async\" class=\"push__logo\" src=\"\/content\/themes\/sherpas-theme\/dist\/images\/logo.svg\" alt=\"Logo Sherpas\">\n    <\/div>\n    <div class=\"swiper\">\n        <div class=\"swiper-wrapper\">\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Louise2x.png);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Louise<\/p>                          <p class=\"push__teachers-school\">Mines ParisTech<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                   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      xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">24\u20ac\/h<\/p>                     <\/div>\n                <\/div>\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Nicolas2x.png);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Nicolas<\/p>                          <p class=\"push__teachers-school\">CentraleSup\u00e9lec<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                           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        class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Fabien2x.png);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Fabien<\/p>                          <p class=\"push__teachers-school\">T\u00e9l\u00e9com Paris<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            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xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">20\u20ac\/h<\/p>                     <\/div>\n                <\/div>\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Cle\u0301mence2x.png);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Cl\u00e9mence<\/p>                          <p class=\"push__teachers-school\">HEC Paris<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">21\u20ac\/h\/h<\/p>                     <\/div>\n                <\/div>\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Bastien2x.jpg);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Bastien<\/p>                          <p class=\"push__teachers-school\">Polytechnique<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            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xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">26\u20ac\/h<\/p>                     <\/div>\n                <\/div>\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Pierre2x.png);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Pierre<\/p>                          <p class=\"push__teachers-school\">ESSEC<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">16\u20ac\/h<\/p>                     <\/div>\n                <\/div>\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Simon2x.jpg);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Simon<\/p>                          <p class=\"push__teachers-school\">4e ann\u00e9e de m\u00e9decine<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">26\u20ac\/h<\/p>                     <\/div>\n                <\/div>\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Jade2x.jpg);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Jade<\/p>                          <p class=\"push__teachers-school\">Sciences Po Paris<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">21\u20ac\/h<\/p>                     <\/div>\n                <\/div>\n                    <\/div>\n    <\/div>\n<\/div>\n                                                    <div class=\"push__content\">\n                                                            <div  class=\"d-none d-md-block\" >\n                                    <img decoding=\"async\" class=\"push__logo\" src=\"\/content\/themes\/sherpas-theme\/dist\/images\/logo.svg\"\n                                        alt=\"Logo Sherpas\">\n                                <\/div>\n                                                                                        <div class=\"push__title\"><p>Besoin d&rsquo;un <span style=\"color: #4cc483;\">prof particulier<\/span> de chimie ? \u2728<\/p>\n<\/div>\n                                                                                        <div class=\"push__text\"><p>Nos Sherpas sont l\u00e0 pour t&rsquo;aider \u00e0 progresser et prendre confiance en toi !<\/p>\n<\/div>\n                                                        <div class=\"push__promo-button   \">\n                                                                                                    <div\n                                        class=\"btn btn-primary\"\n                                        style=\"color: ; border-color: ; background-color: \"\n\n                                    >\n                                        JE PRENDS UN COURS OFFERT !\n                                    <\/div>\n                                                            <\/div>\n                                                    <\/div>\n                                    <\/div>\n                                    <\/div>\n    <\/section>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"sa-scolarite\">Sa scolarit\u00e9 \ud83d\udcd6<\/h3>\n\n\n\n<p>\u00c0 l&rsquo;\u00e9cole, Einstein est perturbateur, mais cela vient du fait qu\u2019il est <strong>un \u00e9l\u00e8ve surdou\u00e9 et tr\u00e8s largement en avance sur son temps<\/strong>. Son cerveau est bel et bien fonctionnel, pas de doutes l\u00e0-dessus, et pas besoin d\u2019\u00eatre son professeur pour le remarquer !<\/p>\n\n\n\n<p>N\u00e9anmoins, le g\u00e9nie peut parfois faillir, notamment quand il s\u2019agit de passer des examens tr\u00e8s scolaires. \u00c0 16 ans, Albert Einstein tente d\u2019int\u00e9grer <strong>l\u2019\u00c9cole polytechnique f\u00e9d\u00e9rale <\/strong>de Zurich, mais il rate l\u2019examen d\u2019entr\u00e9e (pas si dou\u00e9 que \u00e7a finalement notre ami. Bon ok, il n\u2019a que 16 ans.). Il y sera finalement admis l\u2019ann\u00e9e suivante et obtiendra son dipl\u00f4me de justesse. C\u2019est d\u2019ailleurs lors de cette p\u00e9riode \u00e0 Zurich en Suisse qu\u2019il fera la rencontre de sa femme Mileva Mari\u0107 (future Einstein) \ud83d\udc70.<\/p>\n\n\n<section class=\"citation\">\n        <q class=\"citation__text\"><p><span style=\"font-weight: 400\">J\u2019\u00e9tais incapable de suivre les cours, de prendre des notes et de les travailler de fa\u00e7on scolaire \ud83d\udcda<\/span><\/p>\n<\/q>\n\n                    <div class=\"citation__infos \">\n                                    <p class=\"citation__infos-name\">Albert Einstein, autobiographie<\/p>\n                                                    <p class=\"citation__infos-job\"><\/p>\n                            <\/div>\n            <\/section>\n\n\n\n<p>M\u00eame Einstein aurait eu besoin d\u2019aide, alors pourquoi pas essayer nos <a href=\"https:\/\/sherpas.com\/cours\/maths\">cours particuliers de math\u00e9matiques<\/a> ?&nbsp;<\/p>\n\n\n\n<p><br>Il semblerait qu\u2019Einstein, durant sa jeunesse, avait tout de l\u2019enfant prodige. Mais comment l\u2019\u00e9lu scientifique est devenu le savant qu\u2019on conna\u00eet aujourd\u2019hui pour <strong>ses travaux et ses d\u00e9couvertes fabuleuses<\/strong> ? \ud83e\uddd1\u200d\ud83d\udd2c<\/p>\n\n\n<section class=\"relance\">\n        <div >\n                            <a target=\"_blank\" href=\"https:\/\/sherpas.com\/cours\/physique\">\n                    <div class=\"relance__container\"\n                        >\n                        \n                                                        <picture>\n                            <source srcset=\"https:\/\/sherpas.com\/content\/uploads\/2023\/07\/relance-cours-particulier-6.jpg\" media=\"(min-width: 999px)\">\n                            <source srcset=\"https:\/\/sherpas.com\/content\/uploads\/2023\/07\/relance-cours-particulier-6.jpg\" media=\"(max-width: 999px)\">\n                                <img decoding=\"async\"\n                                    src=\"https:\/\/sherpas.com\/content\/uploads\/2023\/07\/relance-cours-particulier-6.jpg\"\n                                    alt=\"Personne qui donne des cours particuliers\"\n                                >\n                            <\/picture>\n                                                <div class=\"relance__content\">\n                            \n                                <div class=\"relance__title\"> <p>Tu gal\u00e8res en physique ? Trouve ton prof particulier chez les Sherpas !<\/p>\n<\/div>\n                                                        <button type=\"button\"\n                                    class=\"relance__button btn btn-white\">\n                                Choisis ton prof !\n                            <\/button>\n                        <\/div>\n                    <\/div>\n                <\/a>\n                    <\/div>\n    <\/section>\n\n    \n\n\n<h2 class=\"wp-block-heading\" id=\"les-decouvertes-revolutionnaires-deinstein\">Les d\u00e9couvertes r\u00e9volutionnaires d&rsquo;Einstein<\/h2>\n\n\n\n<p><strong>Prix Nobel de physique de 1921<\/strong> pour ses recherches sur <a href=\"https:\/\/fr.khanacademy.org\/science\/physique-a-l-ecole\/\" rel=\"nofollow noopener\" target=\"_blank\">l\u2019effet photo\u00e9lectrique<\/a>, Albert Einstein contribue largement au d\u00e9veloppement de <a href=\"https:\/\/www.cea.fr\/comprendre\/Pages\/physique-chimie\/essentiel-sur-mecanique-quantique.aspx#:~:text=La%20m%C3%A9canique%20quantique%20d%C3%A9crit%20le,pour%20constituer%20mol%C3%A9cules%20ou%20solides.\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">la m\u00e9canique quantique<\/a> (aux c\u00f4t\u00e9s du physicien Max Planck), de la physique math\u00e9matique (comme le physicien indien, Satyendranath Bose) et de la cosmologie \u26a1.<\/p>\n\n\n\n<p>Connu du grand public, il l\u2019est surtout pour une formule dont quasiment tout le monde a d\u00e9j\u00e0 entendu parler : <strong>E = mc2<\/strong>, mais aussi pour ses ouvrages sur <strong>la relativit\u00e9 restreinte et g\u00e9n\u00e9rale.&nbsp;<\/strong><\/p>\n\n\n\n<p>Quelles cons\u00e9quences cette \u00e9quation a-t-elle bien pu avoir ? Plongeons dans l\u2019univers d\u2019Albert Einstein, le visionnaire de la physique.<\/p>\n\n\n<section class=\"read-also\">\n    <p class=\"read-also__title\">\u00c0 lire aussi<\/p>\n            <div class=\"read-also__list\">\n            <p><span style=\"font-weight: 400\">Plus que les maths, ce sont les astres qui t&rsquo;int\u00e9ressent ? N&rsquo;h\u00e9site pas \u00e0 lire notre article sur <\/span><a href=\"https:\/\/sherpas.com\/blog\/systeme-solaire\/\"><span style=\"font-weight: 400\">le syst\u00e8me solaire<\/span><\/a><span style=\"font-weight: 400\"> \u2600\ufe0f.<\/span><\/p>\n\n        <\/div>\n    <\/section>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"une-formule-connue-comme-le-loup-blanc-e-mc2\">Une formule connue comme le loup blanc : E = mc2 \ud83d\udc3a<\/h3>\n\n\n\n<p>Commen\u00e7ons donc, comme promis, par la relation d\u2019Albert Einstein qui nous aura le plus marqu\u00e9e. Formul\u00e9e \u00e0 Berne <strong>en 1905 dans le cadre de ses travaux en physique sur la relativit\u00e9 restreinte<\/strong>, Mesdames et Messieurs, merci d&rsquo;accueillir E = mc2 \ud83d\udc4f !<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/media.giphy.com\/media\/aCHZ9FOK1MLNXk2LVX\/giphy.gif\" alt=\"Jury The Voice qui applaudit\"\/><\/figure>\n<\/div>\n\n\n<p>Pour faire simple, cette derni\u00e8re d\u00e9crit <strong>une \u00e9quivalence entre l\u2019\u00e9nergie et la masse<\/strong>. Elle d\u00e9montre qu&rsquo;une particule isol\u00e9e et au repos, de masse \u00ab m \u00bb, poss\u00e8de, du fait de cette masse, une \u00e9nergie \u00ab E \u00bb (appel\u00e9e \u00e9nergie de masse donn\u00e9e par le produit, \u00e0 la fois de m, et le carr\u00e9 de la vitesse de la lumi\u00e8re \ud83d\udd06).<\/p>\n\n\n\n<p>Du fait de la grandeur du facteur dit \u00ab c \u00bb (vitesse de la lumi\u00e8re), <strong>une masse, m\u00eame \u00e0 \u00e9chelle humaine, poss\u00e8de une quantit\u00e9 astronomique d\u2019\u00e9nergie<\/strong>. Donc, un corps qui perd de l\u2019\u00e9nergie, c\u2019est un corps qui perd de la masse.<\/p>\n\n\n<section class=\"citation\">\n        <q class=\"citation__text\"><p>Le principe de la <span style=\"color: #33cccc\">relativit\u00e9 associ\u00e9 aux \u00e9quations de l\u2019\u00e9lectromagn\u00e9tisme<\/span> impose que la masse d\u2019un corps soit la <span style=\"color: #33cccc\">mesure directe de l\u2019\u00e9nergie qu\u2019il contient<\/span>.<\/p>\n<\/q>\n\n                    <div class=\"citation__infos \">\n                                    <p class=\"citation__infos-name\">Albert Einstein<\/p>\n                                                    <p class=\"citation__infos-job\"><\/p>\n                            <\/div>\n            <\/section>\n\n\n<section class=\"you-know\">\n                <div class=\"you-know__title\"><p><span style=\"font-weight: 400\">\ud83d\udc6b C\u00f4t\u00e9 c\u0153ur<\/span><\/p>\n<\/div>\n                        <div class=\"you-know__text\">\n            <p><span style=\"font-weight: 400\">Sa compagne Mileva Mari\u0107\/Einstein, avec qui il \u00e9changeait souvent, a grandement contribu\u00e9 aux recherches scientifiques sur la relativit\u00e9 d&rsquo;Albert Einstein.<\/span><\/p>\n\n        <\/div>\n              <\/section>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"la-relativite-restreinte-au-dela-de-e-mc2\">La relativit\u00e9 restreinte au-del\u00e0 de E = mc2 \u270d\ufe0f<\/h3>\n\n\n\n<p>\u00c0 la fin du XIX\u1d49 si\u00e8cle, la communaut\u00e9 scientifique croyait encore majoritairement aux principes selon lesquels la vitesse de la lumi\u00e8re \u00e9tait diff\u00e9rente suivant la direction dans laquelle elle \u00e9tait mesur\u00e9e : parall\u00e8lement ou perpendiculairement \u00e0 la course de la terre. En effet, dans le premier cas, la vitesse mesur\u00e9e devrait \u00eatre plus \u00e9lev\u00e9e que dans le second, car la vitesse de la Terre viendrait s\u2019additionner \u00e0 la vitesse de la lumi\u00e8re.<\/p>\n\n\n\n<p>Cependant, de cette conception d\u00e9coulaient certaines contradictions. Et dans les ann\u00e9es 1880, deux scientifiques, Michelson et Morley, indiquaient le contraire. <strong>La vitesse de la lumi\u00e8re est la m\u00eame dans toutes les directions<\/strong>. Elle est invariante, inchang\u00e9e. \ud83d\udca1<\/p>\n\n\n<section class=\"read-also\">\n    <p class=\"read-also__title\">\u00c0 lire aussi<\/p>\n            <div class=\"read-also__list\">\n            <p><a href=\"https:\/\/sherpas.com\/blog\/vitesse-lumiere\/\"><span style=\"font-weight: 400\">La vitesse de la lumi\u00e8re<\/span><\/a><span style=\"font-weight: 400\"> t\u2019intrigue de plus en plus ? Approfondis tes connaissances \u00e0 l\u2019aide de cet article\u00a0 \ud83d\ude42<\/span><\/p>\n\n        <\/div>\n    <\/section>\n\n\n\n<p>De son c\u00f4t\u00e9, pour expliquer cette contradiction, Einstein remet en cause le caract\u00e8re absolu de l\u2019espace et du temps : c\u2019est la th\u00e9orie de la relativit\u00e9 restreinte. Elle montre qu\u2019<strong>une seconde ne vaut pas toujours une seconde<\/strong> et qu\u2019un m\u00e8tre ne mesure pas toujours un m\u00e8tre.<\/p>\n\n\n\n<p><strong>La vitesse de la lumi\u00e8re (c) devient une constante universelle<\/strong> et une limite infranchissable. Sa valeur, 299 792 km\/s (Non, m\u00eame Usain Bolt n\u2019a jamais d\u00e9pass\u00e9 cette vitesse \ud83c\udfc3), ne change pas, quelle que soit la vitesse de l&rsquo;observateur. Que ce dernier soit immobile ou se d\u00e9place \u00e0 299 000 km\/s, la lumi\u00e8re s&rsquo;\u00e9loignera invariablement de lui \u00e0 299 792 km\/s. Rien ne peut la d\u00e9passer non plus.&nbsp;De plus, si elle ne varie pas pour l\u2019observateur en mouvement, c\u2019est que, <strong>les distances doivent se contracter et le temps se dilater \u00e0 de telles vitesses.<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"la-relativite-generale\">La relativit\u00e9 g\u00e9n\u00e9rale \ud83c\udf89<\/h3>\n\n\n\n<p>Dix ans plus tard, il \u00e9labore une th\u00e9orie plus vaste int\u00e9grant la loi de la gravit\u00e9 de Newton : <strong>la relativit\u00e9 g\u00e9n\u00e9rale<\/strong>.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"une-vision-qui-change-la-donne\">Une vision qui change la donne \ud83d\udc40<\/h4>\n\n\n\n<p>En 1915, Albert Einstein \u00e9nonce cette th\u00e9orie qui sera per\u00e7ue comme une <strong>v\u00e9ritable r\u00e9volution dans le domaine de la physique<\/strong>.&nbsp;<\/p>\n\n\n\n<p>Il \u00e9tend sa r\u00e9flexion et part du postulat que la gravitation n\u2019est plus une force exerc\u00e9e par un objet sur un autre, mais une d\u00e9formation de la structure m\u00eame de l\u2019espace-temps. Il faut imaginer l\u2019Univers comme un tapis. Si on y pose une masse, la Terre par exemple, ce tapis se d\u00e9forme et se creuse, c\u2019est <strong>la courbure de l\u2019espace-temps<\/strong>.<\/p>\n\n\n\n<p><a href=\"https:\/\/sherpas.com\/blog\/isaac-newton\/\">Newton<\/a> (le gar\u00e7on qui a re\u00e7u une pomme sur le cr\u00e2ne \ud83c\udf4e) pensait que la plan\u00e8te cr\u00e9ait une force dans son voisinage que la Lune subissait et qui lui donnait le mouvement qu\u2019on lui conna\u00eet.<\/p>\n\n\n\n<p>La vision d\u2019Einstein est bien diff\u00e9rente :<strong> il n\u2019y a plus de force de gravitation, la Terre d\u00e9forme \u00adl\u2019espace-temps autour d\u2019elle<\/strong>, et la Lune qui ne subit aucune force se d\u00e9place en ligne droite. Sauf qu\u2019avec la d\u00e9formation de l\u2019Univers, les lignes droites deviennent des courbes. \ud83c\udf12<\/p>\n\n\n<section class=\"you-know\">\n                <div class=\"you-know__title\"><p><span style=\"font-weight: 400\">\u21aa\ufe0f Pour info<\/span><\/p>\n<\/div>\n                        <div class=\"you-know__text\">\n            <p><span style=\"font-weight: 400\">Cette pr\u00e9diction est v\u00e9rifi\u00e9e en 1919 lors d\u2019une \u00e9clipse solaire qui permet de mesurer la position d\u2019\u00e9toiles situ\u00e9es derri\u00e8re le Soleil. Celles-ci apparaissent effectivement l\u00e9g\u00e8rement d\u00e9cal\u00e9es.<\/span><\/p>\n\n        <\/div>\n              <\/section>\n\n\n\n<p>La boucle est boucl\u00e9e, tu es d\u00e9sormais capable d\u2019expliquer la th\u00e9orie de la relativit\u00e9 restreinte tout en te servant du fameux exemple du E = mc2, applicable de bien des mani\u00e8res. Sans compter la relativit\u00e9 g\u00e9n\u00e9rale et l&rsquo;int\u00e9gration de la gravitation, qui vient elle aussi jouer son r\u00f4le dans ses hypoth\u00e8ses scientifiques compliqu\u00e9es. \ud83d\udc4d.<\/p>\n\n\n<section class=\"push \">\n        <div >\n            \n                                                <div class=\"push__container  qcd\" data-target=\"_self\" data-qcd=\"aHR0cHM6Ly9zaGVycGFzLmNvbS9mdW5uZWwtc3R1ZGVudC1xdWFsaWZpY2F0aW9u\" data-banner=\"2\" data-name=\"CPM2 Chimie\" style=\"background-color: #F3FBF7\" >\n                                                                        <div class=\"push__teachers\">\n    <div class=\"d-flex justify-content-center d-md-none\">\n        <img decoding=\"async\" class=\"push__logo\" src=\"\/content\/themes\/sherpas-theme\/dist\/images\/logo.svg\" alt=\"Logo Sherpas\">\n    <\/div>\n    <div class=\"swiper\">\n        <div class=\"swiper-wrapper\">\n                                            <div 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Paris Ulm<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n      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class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Martin2x.jpg);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Martin<\/p>                          <p class=\"push__teachers-school\">HEC Paris<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                         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xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">23\u20ac\/h<\/p>                     <\/div>\n                <\/div>\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Emma2x.png);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Emma<\/p>                          <p class=\"push__teachers-school\">Dauphine<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                 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  class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Hugo2x.jpg);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Hugo<\/p>                          <p class=\"push__teachers-school\">Insa Lyon<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">16\u20ac\/h<\/p>                     <\/div>\n                <\/div>\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Simon2x.jpg);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Simon<\/p>                          <p class=\"push__teachers-school\">4e ann\u00e9e de m\u00e9decine<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">26\u20ac\/h<\/p>                     <\/div>\n                <\/div>\n                    <\/div>\n    <\/div>\n<\/div>\n                                                    <div class=\"push__content\">\n                                                            <div  class=\"d-none d-md-block\" >\n                                    <img decoding=\"async\" class=\"push__logo\" src=\"\/content\/themes\/sherpas-theme\/dist\/images\/logo.svg\"\n                                        alt=\"Logo Sherpas\">\n                                <\/div>\n                                                                                        <div class=\"push__title\"><p>Ton premier <span style=\"color: #4cc483;\">cours particulier<\/span> de chimie est <span style=\"color: #4cc483;\">offert<\/span> ! <span role=\"image\" aria-label=\"\ud83c\udf81\">\ud83c\udf81<\/span><\/p>\n<\/div>\n                                                                                        <div class=\"push__text\"><p>Tous nos profs sont pass\u00e9s par les meilleures \u00e9coles de France !<\/p>\n<\/div>\n                                                        <div class=\"push__promo-button   \">\n                                                                                                    <div\n                                        class=\"btn btn-primary\"\n                                        style=\"color: ; border-color: ; background-color: \"\n\n                                    >\n                                        J\u2019EN PROFITE !\n                                    <\/div>\n                                                            <\/div>\n                                                    <\/div>\n                                    <\/div>\n                                    <\/div>\n    <\/section>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"lheritage-deinstein-et-son-influence-sur-la-science-moderne\">L&rsquo;h\u00e9ritage d&rsquo;Einstein et son influence sur la science moderne<\/h2>\n\n\n\n<p>Il est ind\u00e9niable qu\u2019Einstein aura marqu\u00e9 son \u00e9poque, mais ses th\u00e9ories ont-elles un impact sur le monde d\u2019aujourd\u2019hui ?&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"larme-atomique-veritable-heritage\">L\u2019arme atomique, v\u00e9ritable h\u00e9ritage \ud83d\udca3 ?<\/h3>\n\n\n\n<p>Einstein est-il vraiment <strong>\u00e0 l\u2019origine de l\u2019arme nucl\u00e9aire<\/strong> ? On ne va pas te mentir, c\u2019est un peu ambigu.&nbsp;<\/p>\n\n\n\n<p>On a vu que les th\u00e9ories d&rsquo;Einstein et notamment la formule magique tout droit sortie d\u2019un tome d\u2019Harry Potter E = mc2 date de bien avant les \u00e9v\u00e8nements de Nagasaki et Hiroshima.&nbsp;<\/p>\n\n\n\n<p>En effet, la possibilit\u00e9 de <strong>la naissance d\u2019une telle arme<\/strong> a \u00e9t\u00e9 d\u00e9couverte seulement \u00e0 la fin de l\u2019ann\u00e9e 1938 par deux physiciens, Hahn et Meitner. Ils ont r\u00e9alis\u00e9 qu\u2019un isotope de l\u2019uranium 235 pouvait se couper en deux lorsqu\u2019il est percut\u00e9 par un neutron lent : ce ph\u00e9nom\u00e8ne est commun\u00e9ment nomm\u00e9 <strong>la fission nucl\u00e9aire, qui est \u00e0 l\u2019origine de la cr\u00e9ation de la <a href=\"https:\/\/sherpas.com\/blog\/bombe-atomique\/\">bombe atomique<\/a><\/strong> \u269b\ufe0f.<\/p>\n\n\n\n<p>Cette d\u00e9couverte va permettre par la suite de s\u2019appuyer en partie sur les hypoth\u00e8ses \u00e9mises par Einstein pour cr\u00e9er cette arme destructrice, mais en aucun cas, le g\u00e9nie \u00e0 la langue bien pendue ne s\u2019est int\u00e9ress\u00e9 \u00e0 la bombe atomique \ud83d\udc45.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/media.giphy.com\/media\/lHTCq6HK9XkchYMCKy\/giphy.gif\" alt=\"Einstein langue pendue\"\/><\/figure>\n<\/div>\n\n\n<p>En parall\u00e8le, Albert Einstein ira m\u00eame jusqu\u2019\u00e0 cas entretenir une relation \u00e9pistolaire en 1939 avec le 32e pr\u00e9sident des \u00c9tats-Unis, <a href=\"https:\/\/sherpas.com\/blog\/franklin-delano-roosevelt\/\">Franklin.D Roosevelt<\/a>. Einstein souhaite le pr\u00e9venir que les Allemands ont des stocks d\u2019uranium et dans leur rang, des physiciens brillants. L\u2019Allemagne Nazie serait <strong>capable de faire na\u00eetre l\u2019arme la plus terrifiante jamais envisag\u00e9e<\/strong>.<\/p>\n\n\n\n<p>Tu as ta r\u00e9ponse, Einstein n\u2019est pas le p\u00e8re de l\u2019arme atomique, comme l&rsquo;ont laiss\u00e9 penser certains. Cela dit, ses th\u00e9ories ont \u00e9videmment servi de support pour que des dizaines d\u2019ann\u00e9es plus tard, des physiciens produisent cette arme \u2694\ufe0f.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"le-gps\">Le GPS \ud83c\udf10<\/h3>\n\n\n\n<p>Le <a href=\"https:\/\/sherpas.com\/blog\/geolocalisation\/\">GPS<\/a>, ou <em>Global Positioning System<\/em> est une invention que l\u2019on doit \u00e0 notre savant bien aim\u00e9 : <strong>32 satellites couvrent la totalit\u00e9 de la surface du globe<\/strong> et orbitent autour de notre ch\u00e8re plan\u00e8te bleue \u00e0 20 200 km d\u2019altitude, \u00e0 une vitesse d\u2019environ 14 000 km\/h.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/media.giphy.com\/media\/klbAEHKBjZspFgnUuW\/giphy.gif \" alt=\"Cars vitesse\"\/><\/figure>\n<\/div>\n\n\n<p>On calcule donc plusieurs centaines de millions de positions au sol chaque jour. Et la relativit\u00e9 d\u2019Einstein dans tout \u00e7a ?&nbsp;<\/p>\n\n\n\n<p>\u00c0 une telle altitude, <strong>la gravit\u00e9 terrestre subie par les satellites est 17 fois moins forte qu\u2019au sol<\/strong>. Or, le temps, \u00e9tant relatif, ne s\u2019\u00e9coule pas exactement \u00e0 la m\u00eame vitesse au sol ou en altitude, car la force de la gravit\u00e9 exerc\u00e9e n\u2019est pas la m\u00eame.&nbsp;<\/p>\n\n\n\n<p>Au bout d&rsquo;une journ\u00e9e, une horloge atomique situ\u00e9e \u00e0 bord d\u2019un satellite GPS aura 45 microsecondes d\u2019avance sur la m\u00eame horloge atomique situ\u00e9e au sol, la masse de la Terre ralentissant l\u2019\u00e9coulement du temps. <strong>Le temps n\u2019est pas dilat\u00e9 que par la masse des objets, mais aussi par leur vitesse<\/strong>. \u00c0 bord des satellites GPS, le temps ralentit l\u00e9g\u00e8rement, d\u2019environ 7 microsecondes par jour \u231a.<\/p>\n\n\n\n<p>Il faut donc tenir compte de ces deux effets inverses combin\u00e9s pour synchroniser continuellement les horloges \u00e0 bord des satellites avec celles au sol pour corriger cette avance (45<strong> <\/strong>microsecondes d\u2019avance et 7 microsecondes de retard, soit 38 microsecondes d\u2019avance toutes les 24 heures).<\/p>\n\n\n\n<p>38 microsecondes, c\u2019est peu. Malheureusement, <strong>c\u2019est assez pour fausser une navigation<\/strong>, l\u2019erreur de positionnement pouvant atteindre jusqu\u2019\u00e0 dix kilom\u00e8tres par jour. Merci Albert \ud83d\ude42 !<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"les-ondes-gravitationnelles-%e3%80%b0\">Les ondes gravitationnelles \u3030\ufe0f<\/h3>\n\n\n\n<p>Si tu as bien suivi, tu devrais savoir que plus la masse de l&rsquo;objet est grande, plus la courbure de l&rsquo;espace-temps est \u00e9lev\u00e9e, de m\u00eame que la gravit\u00e9 est importante. Un d\u00e9placement d&rsquo;un objet tr\u00e8s massif va donc modifier cette courbure de l\u2019espace-temps et cette oscillation se propage loin de son centre de formation: c&rsquo;est ce qu\u2019on appelle <strong>l&rsquo;onde gravitationnelle, th\u00e9oris\u00e9e par Einstein<\/strong>.Mais les ondes gravitationnelles sont quasiment impossibles \u00e0 d\u00e9tecter, car elles n\u00e9cessitent des objets d&rsquo;une masse stup\u00e9fiante et sont d&rsquo;une tr\u00e8s faible fr\u00e9quence. Elles ont cependant <strong>un r\u00f4le essentiel pour l&rsquo;\u00e9tude de l&rsquo;espace<\/strong>, puisqu&rsquo;elles peuvent fournir <strong>des informations sur les objets de forte masse et le fonctionnement de l&rsquo;univers<\/strong>.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"comment-saisir-ces-ondes\">Comment saisir ces ondes ? \ud83e\udd14<\/h4>\n\n\n\n<p>C&rsquo;est l\u00e0 que les pulsars, des cadavres d&rsquo;\u00e9toiles issus d&rsquo;explosions de supernov\u00e6, font leur entr\u00e9e. Ils envoient <strong>des signaux radios incroyablement r\u00e9guliers, des centaines de fois par seconde<\/strong>, d&rsquo;o\u00f9 leur nom (tir\u00e9 de l&rsquo;anglais <em>pulsating star,<\/em> qui signifie \u00e9toile vibrante dans la langue de Moli\u00e8re). L&rsquo;id\u00e9e est de rep\u00e9rer des indices de changements de fr\u00e9quences dans les signaux \u00e9mis par les pulsars (on parle ici de variations de l&rsquo;ordre de nanosecondes) \ud83d\udef0\ufe0f.<\/p>\n\n\n<section class=\"push \">\n        <div >\n            \n                                                <div class=\"push__container  qcd\" data-target=\"_self\" data-qcd=\"aHR0cHM6Ly9zaGVycGFzLmNvbS9mdW5uZWwtc3R1ZGVudC1xdWFsaWZpY2F0aW9u\" data-banner=\"2\" data-name=\"Cours part&amp;rsquo; global #1 = CPG1\" style=\"background-color: #F3FBF7\" >\n                                                                        <div class=\"push__teachers\">\n    <div class=\"d-flex justify-content-center d-md-none\">\n        <img decoding=\"async\" class=\"push__logo\" src=\"\/content\/themes\/sherpas-theme\/dist\/images\/logo.svg\" alt=\"Logo Sherpas\">\n    <\/div>\n    <div class=\"swiper\">\n        <div class=\"swiper-wrapper\">\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Margot2x.png);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Margot<\/p>                          <p class=\"push__teachers-school\">Arts et M\u00e9tiers ParisTech<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">22\u20ac\/h\/h<\/p>                     <\/div>\n                <\/div>\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Jade2x.jpg);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Jade<\/p>                          <p class=\"push__teachers-school\">Sciences Po Paris<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">21\u20ac\/h<\/p>                     <\/div>\n                <\/div>\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Agathe2x.png);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Agathe<\/p>                          <p class=\"push__teachers-school\">ENS Lyon<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">19\u20ac\/h<\/p>                     <\/div>\n                <\/div>\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Emma2x.png);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Emma<\/p>                          <p class=\"push__teachers-school\">Dauphine<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">15\u20ac\/h<\/p>                     <\/div>\n                <\/div>\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Louise2x.png);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Louise<\/p>                          <p class=\"push__teachers-school\">Mines ParisTech<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">24\u20ac\/h<\/p>                     <\/div>\n                <\/div>\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Cle\u0301mence2x.png);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Cl\u00e9mence<\/p>                          <p class=\"push__teachers-school\">HEC Paris<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">21\u20ac\/h\/h<\/p>                     <\/div>\n                <\/div>\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Hugo2x.jpg);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Hugo<\/p>                          <p class=\"push__teachers-school\">Insa Lyon<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">16\u20ac\/h<\/p>                     <\/div>\n                <\/div>\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Noemie2x.jpg);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">No\u00e9mie<\/p>                          <p class=\"push__teachers-school\">M2 en droit \u00e0 Assas<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                          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              <div  class=\"d-none d-md-block\" >\n                                    <img decoding=\"async\" class=\"push__logo\" src=\"\/content\/themes\/sherpas-theme\/dist\/images\/logo.svg\"\n                                        alt=\"Logo Sherpas\">\n                                <\/div>\n                                                                                        <div class=\"push__title\"><p>Ton premier cours particulier est offert ! <span role=\"img\" aria-label=\"\ud83c\udf81\">\ud83c\udf81<\/span><!-- notionvc: 91b6b7d7-50f2-46f4-ae1f-ecbabe834aad --><\/p>\n<\/div>\n                                                                                        <div class=\"push__text\"><p>Nos profs sont pass\u00e9s par les meilleures \u00e9coles et universit\u00e9s.<!-- notionvc: 21bb66b6-b36d-4ce8-8950-173722d75a1e --><\/p>\n<p>&nbsp;<\/p>\n<\/div>\n                                                        <div class=\"push__promo-button   \">\n                                                                                                    <div\n                                        class=\"btn btn-primary\"\n                                        style=\"color: #ffffff; border-color: ; background-color: \"\n\n                                    >\n                                        J&rsquo;EN PROFITE MAINTENANT !\n                                    <\/div>\n                                                            <\/div>\n                                                    <\/div>\n                                    <\/div>\n                                    <\/div>\n    <\/section>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"au-dela-du-savant-lengagement-deinstein-envers-la-paix-et-la-justice\">Au-del\u00e0 du savant : l\u2019engagement d&rsquo;Einstein envers la paix et la justice<\/h2>\n\n\n\n<p><br>C\u2019est bien beau de parler de son g\u00e9nie scientifique incommensurable, mais qu\u2019en est-il de <strong>l\u2019homme derri\u00e8re les th\u00e9ories<\/strong> ?<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"son-envie-de-paix-face-a-un-monde-guerrier\">Son envie de paix face \u00e0 un monde guerrier \u262e\ufe0f<\/h3>\n\n\n\n<p>Lors de <a href=\"https:\/\/sherpas.com\/blog\/la-premiere-guerre-mondiale\/\">la Premi\u00e8re Guerre mondiale<\/a>, Albert Einstein s\u2019est radicalement <strong>oppos\u00e9 \u00e0 l\u2019armement allemand et aux financements du militarisme<\/strong> \ud83e\ude96. Il s\u2019engage en pr\u00f4nant le pacifisme, une valeur qui lui tient \u00e0 c\u0153ur, et se dresse <strong>contre l&rsquo;utilisation de la violence et la poursuite d\u2019une telle guerre<\/strong>. Einstein a toujours \u00e9t\u00e9 pacifiste et ne manque aucune occasion de promouvoir la paix avant tout.<\/p>\n\n\n\n<p>En 1950, il intervient \u00e0 la t\u00e9l\u00e9vision pour prendre la parole contre la d\u00e9cision du gouvernement am\u00e9ricain de poursuivre le d\u00e9veloppement de la bombe \u00e0 hydrog\u00e8ne \ud83d\udcfa.<\/p>\n\n\n\n<p>Ses opinions divergentes ont longtemps \u00e9t\u00e9 vues comme une menace, que ce soit par une Allemagne totalitaire que par un \u00c9tat d\u00e9mocratique comme les \u00c9tats-Unis, ce qui lui aura valu d\u2019\u00eatre suivi et surveill\u00e9 pendant de longues ann\u00e9es.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"son-engagement-pour-la-justice\">Son engagement pour la justice \u2696\ufe0f<\/h3>\n\n\n\n<p>Le pacifisme n&rsquo;est pas son seul fait d\u2019armes. De confession juive, il sera oblig\u00e9 de <strong>s&rsquo;exiler vers le pays aux 50 \u00c9tats en 1939<\/strong> et, naturellement, il luttera contre l\u2019antis\u00e9mitisme durant une bonne partie de sa vie. Einstein a d\u2019ailleurs toujours eu espoir d\u2019une entente entre les juifs et les musulmans de Palestine et serait certainement afflig\u00e9 de voir les tournures dramatiques que le conflit isra\u00eblo\u2013palestinien a pris aujourd\u2019hui \ud83e\udd79.&nbsp;<\/p>\n\n\n\n<p>La lutte contre l\u2019antis\u00e9mitisme, mais pas que ! Une fois aux USA, <strong>il luttera contre l&rsquo;oppression et le racisme<\/strong> subi par les personnes afro-am\u00e9ricaines. Il militera aupr\u00e8s des populations opprim\u00e9es et r\u00e9futera toutes th\u00e9ories racistes.<br><strong>Il se battait pour les droits de l\u2019homme dans le monde<\/strong>, et m\u00eame si sa pens\u00e9e \u00e9tait jug\u00e9e comme na\u00efve ou parfois trop id\u00e9aliste, Einstein ne cessa de r\u00eaver d\u2019un monde o\u00f9 le vivre-ensemble serait la plus belle de ses th\u00e9ories.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>Pour conclure, Einstein aura connu deux grands amours (d\u00e9sol\u00e9 Mileva) : celui pour les sciences et un autre pour la paix \ud83d\udc91. On s\u2019est efforc\u00e9 de s\u00e9parer le savant et le penseur, \u00e0 tort ! Ses valeurs pacifistes et en faveur de la justice ont \u00e9t\u00e9 \u00e0 la hauteur de son g\u00e9nie scientifique.&nbsp;<\/p>\n\n\n\n<p>Et si tu n\u2019as toujours rien compris aux th\u00e9ories de notre cher Albert Einstein, n\u2019h\u00e9site pas \u00e0 prendre <strong>des <\/strong><a href=\"https:\/\/sherpas.com\/cours\/physique\"><strong>cours de soutien en physique<\/strong><\/a><strong> avec l\u2019un de nos Sherpas !<\/strong><\/p>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"kk-star-ratings kksr-auto kksr-align-center kksr-valign-bottom\"\n    data-payload='{&quot;align&quot;:&quot;center&quot;,&quot;id&quot;:&quot;264647&quot;,&quot;slug&quot;:&quot;default&quot;,&quot;valign&quot;:&quot;bottom&quot;,&quot;ignore&quot;:&quot;&quot;,&quot;reference&quot;:&quot;auto&quot;,&quot;class&quot;:&quot;&quot;,&quot;count&quot;:&quot;8&quot;,&quot;legendonly&quot;:&quot;&quot;,&quot;readonly&quot;:&quot;&quot;,&quot;score&quot;:&quot;5&quot;,&quot;starsonly&quot;:&quot;&quot;,&quot;best&quot;:&quot;5&quot;,&quot;gap&quot;:&quot;5&quot;,&quot;greet&quot;:&quot;Tu as aim\u00e9 cet article ?&quot;,&quot;legend&quot;:&quot;5\\\/5 - (8 votes)&quot;,&quot;size&quot;:&quot;24&quot;,&quot;title&quot;:&quot;Einstein : un homme entre deux univers ! \u267e\ufe0f&quot;,&quot;width&quot;:&quot;142.5&quot;,&quot;_legend&quot;:&quot;{score}\\\/{best} - ({count} {votes})&quot;,&quot;font_factor&quot;:&quot;1.25&quot;}'>\n            \n<div class=\"kksr-stars\">\n    \n<div class=\"kksr-stars-inactive\">\n            <div class=\"kksr-star\" data-star=\"1\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"2\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"3\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"4\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"5\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n    \n<div class=\"kksr-stars-active\" style=\"width: 142.5px;\">\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n                \n\n<div class=\"kksr-legend\" style=\"font-size: 19.2px;\">\n            5\/5 - (8 votes)    <\/div>\n    <\/div>\n","protected":false},"excerpt":{"rendered":"<p>Tu le connais certainement pour son g\u00e9nie et sa coupe de cheveux plus que hasardeuse. Ou bien si (&#8230;)<\/p>\n","protected":false},"author":356,"featured_media":264669,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"category":[801,803,812],"tag":[770,781],"class_list":["post-264647","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-portraits","category-apprendre-matiere","category-physique-chimie-2","tag-fiche-revision","tag-portraits"],"acf":[],"_links":{"self":[{"href":"https:\/\/sherpas.com\/blog\/wp-json\/wp\/v2\/posts\/264647","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sherpas.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sherpas.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sherpas.com\/blog\/wp-json\/wp\/v2\/users\/356"}],"replies":[{"embeddable":true,"href":"https:\/\/sherpas.com\/blog\/wp-json\/wp\/v2\/comments?post=264647"}],"version-history":[{"count":0,"href":"https:\/\/sherpas.com\/blog\/wp-json\/wp\/v2\/posts\/264647\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sherpas.com\/blog\/wp-json\/wp\/v2\/media\/264669"}],"wp:attachment":[{"href":"https:\/\/sherpas.com\/blog\/wp-json\/wp\/v2\/media?parent=264647"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sherpas.com\/blog\/wp-json\/wp\/v2\/category?post=264647"},{"taxonomy":"tag","embeddable":true,"href":"https:\/\/sherpas.com\/blog\/wp-json\/wp\/v2\/tag?post=264647"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}