{"id":12347,"date":"2025-04-02T18:42:00","date_gmt":"2025-04-02T16:42:00","guid":{"rendered":"https:\/\/lyceerudloff.com\/?p=12347"},"modified":"2025-04-02T20:45:38","modified_gmt":"2025-04-02T18:45:38","slug":"une-chambre-a-brouillard-pour-visualiser-la-radioactivite","status":"publish","type":"post","link":"https:\/\/lyceerudloff.com\/index.php\/2025\/04\/02\/une-chambre-a-brouillard-pour-visualiser-la-radioactivite\/","title":{"rendered":"Une \u00ab chambre \u00e0 brouillard \u00bb pour visualiser la radioactivit\u00e9 !"},"content":{"rendered":"\n<p>C&rsquo;\u00e9tait l&rsquo;objectif du \u00ab projet scientifique \u00bb de nos \u00e9l\u00e8ves en \u00ab cord\u00e9es de la r\u00e9ussite \u00bb et de leur guide Zakaria BRADAI, assistant polytechnicien au lyc\u00e9e depuis octobre 2024 et encore pour quelques semaines \ud83e\udd72<\/p>\n\n\n\n<figure class=\"wp-block-embed aligncenter is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Notre projet scientifique en 180 secondes - Lycee Marcel Rudloff - BRADAI Zakaria\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/dhMmdoy8NJs?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<div style=\"height:22px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Les \u00e9l\u00e8ves &#8211; qui sont tous volontaires et motiv\u00e9.e.s &#8211; ont d\u2019abord acquis les notions th\u00e9oriques entourant le ph\u00e9nom\u00e8ne de la radioactivit\u00e9 en petits groupes. <\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-2 is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_151535716-scaled.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" data-id=\"12348\" src=\"https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_151535716-1024x576.jpg\" alt=\"\" class=\"wp-image-12348\" srcset=\"https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_151535716-1024x576.jpg 1024w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_151535716-300x169.jpg 300w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_151535716-768x432.jpg 768w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_151535716-1536x864.jpg 1536w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_151535716-2048x1152.jpg 2048w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_151535716-24x14.jpg 24w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_151535716-36x20.jpg 36w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_151535716-48x27.jpg 48w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption class=\"wp-element-caption\">M. BRADAI revient sur l&rsquo;ensemble de la d\u00e9marche &#8230;<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_151724706-scaled.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" data-id=\"12349\" src=\"https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_151724706-1024x576.jpg\" alt=\"\" class=\"wp-image-12349\" srcset=\"https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_151724706-1024x576.jpg 1024w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_151724706-300x169.jpg 300w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_151724706-768x432.jpg 768w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_151724706-1536x864.jpg 1536w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_151724706-2048x1152.jpg 2048w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_151724706-24x14.jpg 24w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_151724706-36x20.jpg 36w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_151724706-48x27.jpg 48w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption class=\"wp-element-caption\">&#8230; avant de lancer les manipulations<\/figcaption><\/figure>\n<\/figure>\n\n\n\n<div style=\"height:23px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Ensuite ils ont mod\u00e9lis\u00e9 le dispositif exp\u00e9rimental, en explorant plusieurs pistes et plusieurs technologies.<\/p>\n\n\n\n<p>Enfin ils sont pass\u00e9s \u00e0 la r\u00e9alisation pratique : d\u00e9coupes laser, impression 3D, soudure, c\u00e2blage, refroidissement &#8230;<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-3 is-cropped wp-block-gallery-2 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152829295-scaled.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" data-id=\"12355\" src=\"https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152829295-1024x576.jpg\" alt=\"\" class=\"wp-image-12355\" srcset=\"https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152829295-1024x576.jpg 1024w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152829295-300x169.jpg 300w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152829295-768x432.jpg 768w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152829295-1536x864.jpg 1536w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152829295-2048x1152.jpg 2048w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152829295-24x14.jpg 24w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152829295-36x20.jpg 36w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152829295-48x27.jpg 48w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption class=\"wp-element-caption\">R\u00e9glage du g\u00e9n\u00e9rateur<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152837436-scaled.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" data-id=\"12356\" src=\"https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152837436-1024x576.jpg\" alt=\"\" class=\"wp-image-12356\" srcset=\"https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152837436-1024x576.jpg 1024w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152837436-300x169.jpg 300w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152837436-768x432.jpg 768w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152837436-1536x864.jpg 1536w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152837436-2048x1152.jpg 2048w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152837436-24x14.jpg 24w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152837436-36x20.jpg 36w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152837436-48x27.jpg 48w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption class=\"wp-element-caption\">&#8230; \u00e7a a l&rsquo;air ok !<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152859699-scaled.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" data-id=\"12357\" src=\"https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152859699-1024x576.jpg\" alt=\"\" class=\"wp-image-12357\" srcset=\"https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152859699-1024x576.jpg 1024w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152859699-300x169.jpg 300w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152859699-768x432.jpg 768w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152859699-1536x864.jpg 1536w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152859699-2048x1152.jpg 2048w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152859699-24x14.jpg 24w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152859699-36x20.jpg 36w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152859699-48x27.jpg 48w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption class=\"wp-element-caption\">Il faut tout brancher avec soin<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152823531-scaled.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" data-id=\"12354\" src=\"https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152823531-1024x576.jpg\" alt=\"\" class=\"wp-image-12354\" srcset=\"https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152823531-1024x576.jpg 1024w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152823531-300x169.jpg 300w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152823531-768x432.jpg 768w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152823531-1536x864.jpg 1536w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152823531-2048x1152.jpg 2048w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152823531-24x14.jpg 24w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152823531-36x20.jpg 36w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152823531-48x27.jpg 48w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption class=\"wp-element-caption\">Premiers c\u00e2blages &#8230;<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_153740802-scaled.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"576\" height=\"1024\" data-id=\"12360\" src=\"https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_153740802-576x1024.jpg\" alt=\"\" class=\"wp-image-12360\" srcset=\"https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_153740802-576x1024.jpg 576w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_153740802-169x300.jpg 169w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_153740802-768x1365.jpg 768w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_153740802-864x1536.jpg 864w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_153740802-1152x2048.jpg 1152w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_153740802-14x24.jpg 14w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_153740802-20x36.jpg 20w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_153740802-27x48.jpg 27w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_153740802-scaled.jpg 1440w\" sizes=\"auto, (max-width: 576px) 100vw, 576px\" \/><\/a><figcaption class=\"wp-element-caption\">test de refroidissement<\/figcaption><\/figure>\n<\/figure>\n\n\n\n<div style=\"height:23px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Et \u00e7a a pay\u00e9 !<\/h2>\n\n\n\n<p>Ce lundi 24 f\u00e9vrier, succ\u00e8s absolu. Apr\u00e8s avoir visualis\u00e9 le rayonnement cosmique dans la chambre, refroidie \u00e0 -40\u00b0C environ, ils ont pu disposer d&rsquo;une source radioactive : de l&rsquo;autunite (minerai avec cristaux d&rsquo;uranium) faiblement radioactive&#8230; <\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-3 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152515635-scaled.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" data-id=\"12353\" src=\"https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152515635-1024x576.jpg\" alt=\"\" class=\"wp-image-12353\" srcset=\"https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152515635-1024x576.jpg 1024w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152515635-300x169.jpg 300w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152515635-768x432.jpg 768w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152515635-1536x864.jpg 1536w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152515635-2048x1152.jpg 2048w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152515635-24x14.jpg 24w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152515635-36x20.jpg 36w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152515635-48x27.jpg 48w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption class=\"wp-element-caption\">l&rsquo;autunite (minerai avec cristaux d&rsquo;uranium) faiblement radioactive&#8230;<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152145015-scaled.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"576\" height=\"1024\" data-id=\"12352\" src=\"https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152145015-576x1024.jpg\" alt=\"\" class=\"wp-image-12352\" srcset=\"https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152145015-576x1024.jpg 576w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152145015-169x300.jpg 169w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152145015-768x1365.jpg 768w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152145015-864x1536.jpg 864w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152145015-1152x2048.jpg 1152w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152145015-14x24.jpg 14w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152145015-20x36.jpg 20w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152145015-27x48.jpg 27w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_152145015-scaled.jpg 1440w\" sizes=\"auto, (max-width: 576px) 100vw, 576px\" \/><\/a><figcaption class=\"wp-element-caption\">&#8230; mais \u00e9clair\u00e9e \u00e0 la lampe UV c&rsquo;est impressionnant !<\/figcaption><\/figure>\n<\/figure>\n\n\n\n<div style=\"height:23px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Et l\u00e0 ils ont pu visualiser la d\u00e9sint\u00e9gration radioactive de cette roche gr\u00e2ce \u00e0 cette <em>chambre \u00e0 brouillard<\/em> !<\/p>\n\n\n\n<p>On a pu distinguer nettement des <em>rayons alpha <\/em>et des<em> <em>rayons b\u00eata<\/em><\/em> !<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-4 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_154158008-scaled.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"576\" height=\"1024\" data-id=\"12362\" src=\"https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_154158008-576x1024.jpg\" alt=\"\" class=\"wp-image-12362\" srcset=\"https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_154158008-576x1024.jpg 576w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_154158008-169x300.jpg 169w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_154158008-768x1365.jpg 768w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_154158008-864x1536.jpg 864w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_154158008-1152x2048.jpg 1152w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_154158008-14x24.jpg 14w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_154158008-20x36.jpg 20w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_154158008-27x48.jpg 27w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_154158008-scaled.jpg 1440w\" sizes=\"auto, (max-width: 576px) 100vw, 576px\" \/><\/a><figcaption class=\"wp-element-caption\">On atteint -38\u00b0C gr\u00e2ce \u00e0 deux modules \u00ab Peltier \u00bb<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_154558561-scaled.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"576\" height=\"1024\" data-id=\"12367\" src=\"https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_154558561-576x1024.jpg\" alt=\"\" class=\"wp-image-12367\" srcset=\"https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_154558561-576x1024.jpg 576w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_154558561-169x300.jpg 169w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_154558561-768x1365.jpg 768w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_154558561-864x1536.jpg 864w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_154558561-1152x2048.jpg 1152w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_154558561-14x24.jpg 14w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_154558561-20x36.jpg 20w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_154558561-27x48.jpg 27w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_154558561-scaled.jpg 1440w\" sizes=\"auto, (max-width: 576px) 100vw, 576px\" \/><\/a><figcaption class=\"wp-element-caption\">On observe le rayonnement cosmique dans la chambre \u00e0 brouillard<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_154638799-scaled.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"576\" height=\"1024\" data-id=\"12368\" src=\"https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_154638799-576x1024.jpg\" alt=\"\" class=\"wp-image-12368\" srcset=\"https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_154638799-576x1024.jpg 576w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_154638799-169x300.jpg 169w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_154638799-768x1365.jpg 768w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_154638799-864x1536.jpg 864w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_154638799-1152x2048.jpg 1152w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_154638799-14x24.jpg 14w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_154638799-20x36.jpg 20w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_154638799-27x48.jpg 27w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_154638799-scaled.jpg 1440w\" sizes=\"auto, (max-width: 576px) 100vw, 576px\" \/><\/a><figcaption class=\"wp-element-caption\">Le voyez-vous ?<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_154708168-scaled.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"576\" height=\"1024\" data-id=\"12369\" src=\"https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_154708168-576x1024.jpg\" alt=\"\" class=\"wp-image-12369\" srcset=\"https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_154708168-576x1024.jpg 576w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_154708168-169x300.jpg 169w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_154708168-768x1365.jpg 768w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_154708168-864x1536.jpg 864w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_154708168-1152x2048.jpg 1152w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_154708168-14x24.jpg 14w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_154708168-20x36.jpg 20w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_154708168-27x48.jpg 27w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_154708168-scaled.jpg 1440w\" sizes=\"auto, (max-width: 576px) 100vw, 576px\" \/><\/a><figcaption class=\"wp-element-caption\">On discute de la loi de d\u00e9sint\u00e9gration et de la probabilit\u00e9 d&rsquo;apparition du ph\u00e9nom\u00e8ne<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_155050065-scaled.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" data-id=\"12371\" src=\"https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_155050065-1024x576.jpg\" alt=\"\" class=\"wp-image-12371\" srcset=\"https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_155050065-1024x576.jpg 1024w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_155050065-300x169.jpg 300w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_155050065-768x432.jpg 768w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_155050065-1536x864.jpg 1536w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_155050065-2048x1152.jpg 2048w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_155050065-24x14.jpg 24w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_155050065-36x20.jpg 36w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_155050065-48x27.jpg 48w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption class=\"wp-element-caption\">On arrive au moment crucial &#8230;<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_155409710-scaled.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"576\" height=\"1024\" data-id=\"12373\" src=\"https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_155409710-576x1024.jpg\" alt=\"\" class=\"wp-image-12373\" srcset=\"https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_155409710-576x1024.jpg 576w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_155409710-169x300.jpg 169w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_155409710-768x1365.jpg 768w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_155409710-864x1536.jpg 864w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_155409710-1152x2048.jpg 1152w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_155409710-14x24.jpg 14w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_155409710-20x36.jpg 20w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_155409710-27x48.jpg 27w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/03\/20250224_155409710-scaled.jpg 1440w\" sizes=\"auto, (max-width: 576px) 100vw, 576px\" \/><\/a><figcaption class=\"wp-element-caption\">Et voil\u00e0 notre chambre et la source radioactive dont on observe le rayonnement<\/figcaption><\/figure>\n<\/figure>\n\n\n\n<div style=\"height:23px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Un grand bravo \u00e0 toute l&rsquo;\u00e9quipe et <strong>un grand merci \u00e0 M. BRADAI<\/strong> pour sa disponibilit\u00e9, son d\u00e9vouement pour transmettre et atteindre les objectifs fix\u00e9s !<\/p>\n","protected":false},"excerpt":{"rendered":"<p>C&rsquo;\u00e9tait l&rsquo;objectif du \u00ab projet scientifique \u00bb de nos \u00e9l\u00e8ves en \u00ab cord\u00e9es de la r\u00e9ussite \u00bb et de leur guide Zakaria BRADAI, assistant polytechnicien au lyc\u00e9e depuis octobre 2024 et encore pour quelques semaines \ud83e\udd72 Les \u00e9l\u00e8ves &#8211; qui sont tous volontaires et motiv\u00e9.e.s &#8211; ont d\u2019abord acquis les notions th\u00e9oriques entourant le ph\u00e9nom\u00e8ne [&hellip;]<\/p>\n","protected":false},"author":18,"featured_media":12374,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[72,42],"class_list":["post-12347","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pole-scientifique","tag-cordees-de-la-reussite","tag-physique-chimie"],"_links":{"self":[{"href":"https:\/\/lyceerudloff.com\/index.php\/wp-json\/wp\/v2\/posts\/12347","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lyceerudloff.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lyceerudloff.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lyceerudloff.com\/index.php\/wp-json\/wp\/v2\/users\/18"}],"replies":[{"embeddable":true,"href":"https:\/\/lyceerudloff.com\/index.php\/wp-json\/wp\/v2\/comments?post=12347"}],"version-history":[{"count":6,"href":"https:\/\/lyceerudloff.com\/index.php\/wp-json\/wp\/v2\/posts\/12347\/revisions"}],"predecessor-version":[{"id":12825,"href":"https:\/\/lyceerudloff.com\/index.php\/wp-json\/wp\/v2\/posts\/12347\/revisions\/12825"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lyceerudloff.com\/index.php\/wp-json\/wp\/v2\/media\/12374"}],"wp:attachment":[{"href":"https:\/\/lyceerudloff.com\/index.php\/wp-json\/wp\/v2\/media?parent=12347"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lyceerudloff.com\/index.php\/wp-json\/wp\/v2\/categories?post=12347"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lyceerudloff.com\/index.php\/wp-json\/wp\/v2\/tags?post=12347"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}