{"id":6925,"date":"2025-12-06T16:09:00","date_gmt":"2025-12-06T15:09:00","guid":{"rendered":"https:\/\/viva.racunalniske-novice.com\/kasetnitrak-iz-dnk-lahko-shrani-vsako-glasbo-ki-je-bila-kdaj-napisana\/"},"modified":"2025-12-06T16:09:00","modified_gmt":"2025-12-06T15:09:00","slug":"kasetnitrak-iz-dnk-lahko-shrani-vsako-glasbo-ki-je-bila-kdaj-napisana","status":"publish","type":"post","link":"https:\/\/viva.racunalniske-novice.com\/fr\/une-cassette-audio-contenant-de-ladn-pourrait-stocker-toutes-les-oeuvres-musicales-jamais-ecrites\/","title":{"rendered":"Une cassette audio contenant de l&#039;ADN pourrait stocker toutes les \u0153uvres musicales jamais \u00e9crites."},"content":{"rendered":"<p>Des chercheurs de Shenzhen, en Chine, ont mis au point un syst\u00e8me de cassettes de stockage de donn\u00e9es ADN capable de contenir d&#039;\u00e9normes quantit\u00e9s d&#039;informations num\u00e9riques. Le prototype, cr\u00e9\u00e9 \u00e0 l&#039;Universit\u00e9 des sciences et technologies du Sud (SUST), utilise des brins d&#039;ADN synth\u00e9tiques imprim\u00e9s sur un film plastique mince, enroul\u00e9 ensuite en ruban et d\u00e9plac\u00e9 entre des bobines.<br><br>Le syst\u00e8me peut stocker jusqu&#039;\u00e0 36 p\u00e9taoctets de donn\u00e9es, soit environ un million de gigaoctets, de quoi contenir plus de trois milliards de chansons. Les fichiers num\u00e9riques sont convertis en s\u00e9quences d&#039;ADN (A, T, C, G), qui remplacent les 0 et les 1 binaires. Chaque bandelette contient environ 550\u00a0000 sections\u00a0: les zones blanches absorbent la solution d&#039;ADN, tandis que les lignes noires emp\u00eachent sa diffusion. Le scanner peut reconna\u00eetre environ 1\u00a0570 positions par seconde.<br><br>Ce syst\u00e8me permet de lire, de r\u00e9\u00e9crire et d&#039;effacer des donn\u00e9es. Les brins d&#039;ADN peuvent \u00eatre s\u00e9quenc\u00e9s \u00e0 de multiples reprises sans perte, et des enzymes peuvent supprimer et remplacer des donn\u00e9es avec une pr\u00e9cision de pr\u00e8s de 99,9 %. Pour les prot\u00e9ger, les sections sont recouvertes d&#039;une couche cristalline de structures m\u00e9tallo-organiques qui les rend imperm\u00e9ables \u00e0 l&#039;eau et aux enzymes. L&#039;ADN peut ainsi se conserver pendant des si\u00e8cles \u00e0 temp\u00e9rature ambiante, et m\u00eame des dizaines de milliers d&#039;ann\u00e9es dans des environnements plus froids.<br><br>Bien que la cassette offre une capacit\u00e9 \u00e9norme, sa vitesse est inf\u00e9rieure \u00e0 celle des supports de stockage classiques. La copie de petits fichiers prend plusieurs minutes et la synth\u00e8se d&#039;ADN reste on\u00e9reuse. Les chercheurs esp\u00e8rent qu&#039;avec la baisse des co\u00fbts des biotechnologies et l&#039;acc\u00e9l\u00e9ration des r\u00e9actions chimiques, les syst\u00e8mes de cassettes d&#039;ADN deviendront une solution pratique pour l&#039;archivage \u00e0 long terme.<br><br>L&#039;\u00e9tude, publi\u00e9e dans la revue Science Advances, sugg\u00e8re un avenir o\u00f9 les cassettes d&#039;ADN pourraient servir d&#039;archives \u00e0 long terme pour la musique, les films et les contenus num\u00e9riques.<\/p>\n<div class=\"embed-container\"><iframe src=\"https:\/\/www.youtube.com\/embed\/Jj24XS6U5aQ\" frameborder=\"0\" allowfullscreen><\/iframe><\/div><br\/>","protected":false},"excerpt":{"rendered":"<p>Des chercheurs de Shenzhen, en Chine, ont mis au point un syst\u00e8me de cassettes sp\u00e9cial permettant de stocker des donn\u00e9es sous forme d&#039;ADN et capable de contenir d&#039;\u00e9normes quantit\u00e9s d&#039;informations num\u00e9riques. Le prototype, cr\u00e9\u00e9 \u00e0 l&#039;Universit\u00e9 des sciences et technologies du Sud (SUST), utilise des brins d&#039;ADN synth\u00e9tiques imprim\u00e9s sur un film plastique mince, qui est ensuite enroul\u00e9 en ruban et d\u00e9plac\u00e9 entre des bobines. [\u2026]<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[16],"tags":[1009],"class_list":["post-6925","post","type-post","status-publish","format-standard","hentry","category-oprema","tag-laserski-merilnik-razdalj"],"acf":{"subtitle":"Kitajski raziskovalci so predstavili DNK kaseto, ki lahko shrani do 36 petabajtov podatkov. Sistem uporablja sinteti\u010dne DNK verige na plasti\u010dnem traku in omogo\u010da branje, ponovno zapisovanje ter za\u0161\u010dito podatkov za stoletja.","heading":"","summary":"Kitajski raziskovalci so predstavili DNK kaseto, ki lahko shrani do 36 petabajtov podatkov. Sistem uporablja sinteti\u010dne DNK verige na plasti\u010dnem traku in omogo\u010da branje, ponovno zapisovanje ter za\u0161\u010dito podatkov za stoletja.","thumbnail_small":"https:\/\/racunalniske-novice.com\/wp-content\/uploads\/2025\/12\/music-8209008_1280-560x315.jpg","thumbnail_large":"https:\/\/racunalniske-novice.com\/wp-content\/uploads\/2025\/12\/music-8209008_1280-1024x682.jpg","thumbnail_caption":"","gallery":"","video_gallery":[{"youtube_url":"https:\/\/www.youtube.com\/watch?v=Jj24XS6U5aQ"}],"author":"","links":[{"title":"NYT","url":""}],"sources":null,"skip_language":[]},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>DNK kasetni trak lahko shrani vsako glasbo, ki je bila kdaj napisana - Ra\u010dunalni\u0161ke novice<\/title>\n<meta name=\"description\" content=\"Kitajski raziskovalci so predstavili DNK kaseto, ki lahko shrani do 36 petabajtov podatkov. 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