{"id":83114,"date":"2026-04-07T14:51:14","date_gmt":"2026-04-07T14:51:14","guid":{"rendered":"https:\/\/www.africa-press.net\/centrafricaine\/politique\/le-bruit-du-ruban-adhesif-explique-par-la-physique"},"modified":"2026-04-07T15:43:40","modified_gmt":"2026-04-07T15:43:40","slug":"le-bruit-du-ruban-adhesif-explique-par-la-physique","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/centrafricaine\/toutes-les-actualites\/le-bruit-du-ruban-adhesif-explique-par-la-physique","title":{"rendered":"Le Bruit du Ruban Adh\u00e9sif Expliqu\u00e9 par la Physique"},"content":{"rendered":"<p><span style=\"color: #ff6600\"><strong>Africa-Press &#8211; CentrAfricaine. <\/strong><\/span>Quelle est l&rsquo;origine du bruit strident produit lorsqu&rsquo;on de\u0301roule un ruban adhe\u0301sif? Gra\u0302ce a\u0300 des microphones et des came\u0301ras prenant jusqu&rsquo;a\u0300 deux millions d&rsquo;images par seconde, des physiciens de l&rsquo;Universite\u0301 de Sciences et technologie de Chine ont pu re\u0301pondre a\u0300 cette question.<\/p>\n<p>Ils ont de\u0301couvert que le de\u0301collement du scotch engendre des microfissures successives qui se propagent a\u0300 des vitesses supersoniques dans la largeur du ruban.<\/p>\n<p><b>Des trains d&rsquo;ondes de choc dans l&rsquo;air<\/b><\/p>\n<p>En atteignant le bord, ces microfissures cre\u0301ent des trains d&rsquo;ondes de choc dans l&rsquo;air, des dizaines de fois a\u0300 chaque milliseconde, si rapides que nos oreilles les perc\u0327oivent comme un crissement continu.<\/p>\n<p><strong>Pour plus d&rsquo;informations et d&rsquo;analyses sur la <span style=\"color: #ff6600\">CentrAfricaine<\/span>, suivez <span style=\"color: #ff6600\">Africa-Press<\/span><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Africa-Press &#8211; CentrAfricaine. Quelle est l&rsquo;origine du bruit strident produit lorsqu&rsquo;on de\u0301roule un ruban adhe\u0301sif? Gra\u0302ce a\u0300 des microphones et des came\u0301ras prenant jusqu&rsquo;a\u0300 deux millions d&rsquo;images par seconde, des physiciens de l&rsquo;Universite\u0301 de Sciences et technologie de Chine ont pu re\u0301pondre a\u0300 cette question. Ils ont de\u0301couvert que le de\u0301collement du scotch engendre des [&hellip;]<\/p>\n","protected":false},"author":82,"featured_media":83113,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,10],"tags":[30],"class_list":["post-83114","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-divers","category-toutes-les-actualites","tag-centrafricaine"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.1 (Yoast SEO v27.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Le Bruit du Ruban Adh\u00e9sif Expliqu\u00e9 par la Physique - centrafricaine<\/title>\n<meta name=\"description\" content=\"Quelle est l&#039;origine du bruit strident produit lorsqu&#039;on de\u0301roule un ruban adhe\u0301sif? 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