{"id":2800,"date":"2004-03-18T16:14:47","date_gmt":"2004-03-18T16:14:47","guid":{"rendered":"http:\/\/xmau.com\/wp\/notiziole\/2004\/03\/18\/o_che_chai_un_numero_da_darmi\/"},"modified":"2025-09-10T16:14:45","modified_gmt":"2025-09-10T14:14:45","slug":"o_che_chai_un_numero_da_darmi","status":"publish","type":"post","link":"https:\/\/xmau.com\/notiziole\/2004\/03\/18\/o_che_chai_un_numero_da_darmi\/","title":{"rendered":"o che c&#8217;hai un numero da darmi?"},"content":{"rendered":"<p>Tutti i calcolatori hanno quello che viene pomposamente chiamato &#8220;generatore di numeri casuali&#8221;, che per\u00f2 in realt\u00e0 tira fuori i numeri secondo una successione ben stabilita, e quindi potrebbe ogni tanto dare dei problemi.<br \/>\nBene. Volevate numeri <b>davvero<\/b> casuali? L&#8217;universit\u00e0 di Ginevra, in collaborazione con <a href=\"http:\/\/www.idquantique.com\/\">id Quantique<\/a>, ha messo in rete un <a href=\"http:\/\/www.randomnumbers.info\">generatore quantistico di numeri casuali<\/a>, qualunque cosa significhi avere &#8220;fotoni inviati a uno a uno verso uno specchio semitrasparente. L&#8217;evento esclusivo riflessione\/ trasmissione \u00e8 associato ai bit 0\/1&#8221;.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Un generatore di numeri casuali &#8220;quantistici&#8221; in rete.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"activitypub_content_warning":"","activitypub_content_visibility":"","activitypub_max_image_attachments":3,"activitypub_interaction_policy_quote":"anyone","activitypub_status":"","footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[15],"tags":[],"class_list":["post-2800","post","type-post","status-publish","format-standard","hentry","category-link-2001-06"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/phh2yV-Ja","jetpack-related-posts":[{"id":5168,"url":"https:\/\/xmau.com\/notiziole\/2007\/07\/20\/ho_fatto_due_etti_e_mezzo_di_bit_lascio\/","url_meta":{"origin":2800,"position":0},"title":"Ho fatto due etti e mezzo di bit. Lascio?","author":".mau.","date":"2007-07-20","format":false,"excerpt":"Un generatore di numeri davvero casuali.","rel":"","context":"In &quot;curiosit\u00e0-2007&quot;","block_context":{"text":"curiosit\u00e0-2007","link":"https:\/\/xmau.com\/notiziole\/category\/curiosita\/curiosita-2007\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":37179,"url":"https:\/\/xmau.com\/notiziole\/2026\/05\/22\/non-usate-42-come-seme-nel-generatore-random\/","url_meta":{"origin":2800,"position":1},"title":"non usate 42 come seme nel generatore random!","author":".mau.","date":"2026-05-22","format":false,"excerpt":"banalmente, perch\u00e9 lo fanno tutti","rel":"","context":"In &quot;IA e informatica&quot;","block_context":{"text":"IA e informatica","link":"https:\/\/xmau.com\/notiziole\/category\/ia\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":5989,"url":"https:\/\/xmau.com\/notiziole\/2008\/04\/30\/generatore_casu\/","url_meta":{"origin":2800,"position":2},"title":"Generatore casuale di velocit\u00e0","author":".mau.","date":"2008-04-30","format":false,"excerpt":"Il rilevatore di velocit\u00e0 vicino al mio ufficio sta dando i numeri.","rel":"","context":"In &quot;curiosit\u00e0-2008&quot;","block_context":{"text":"curiosit\u00e0-2008","link":"https:\/\/xmau.com\/notiziole\/category\/curiosita\/curiosita-2008\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":6214,"url":"https:\/\/xmau.com\/notiziole\/2008\/07\/17\/mi_dia_un_etto\/","url_meta":{"origin":2800,"position":3},"title":"mi dia un etto di numeri casuali","author":".mau.","date":"2008-07-17","format":false,"excerpt":"random.org \u00e8 un sito che ti permette di ottenere numeri davvero casuali","rel":"","context":"In &quot;link&quot;","block_context":{"text":"link","link":"https:\/\/xmau.com\/notiziole\/category\/link\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":33613,"url":"https:\/\/xmau.com\/notiziole\/2025\/09\/08\/adda-veni-la-fattorizzazione-quantistica\/","url_meta":{"origin":2800,"position":4},"title":"Adda ven\u00ec la fattorizzazione quantistica!","author":".mau.","date":"2025-09-08","format":false,"excerpt":"Gi\u00e0 fattorizzare 21 \u00e8 troppo complicato.","rel":"","context":"In &quot;IA e informatica&quot;","block_context":{"text":"IA e informatica","link":"https:\/\/xmau.com\/notiziole\/category\/ia\/"},"img":{"alt_text":"circuito logico quantistico per fattorizzare 15","src":"https:\/\/i0.wp.com\/xmau.com\/notiziole\/wp-content\/uploads\/sites\/6\/2025\/09\/factor15.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/xmau.com\/notiziole\/wp-content\/uploads\/sites\/6\/2025\/09\/factor15.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/xmau.com\/notiziole\/wp-content\/uploads\/sites\/6\/2025\/09\/factor15.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/xmau.com\/notiziole\/wp-content\/uploads\/sites\/6\/2025\/09\/factor15.png?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":28813,"url":"https:\/\/xmau.com\/notiziole\/2024\/04\/26\/troppo-casuale\/","url_meta":{"origin":2800,"position":5},"title":"Troppo casuale","author":".mau.","date":"2024-04-26","format":false,"excerpt":"Capisco generare numeri casuali, anche perch\u00e9 cos\u00ec si potrebbero fregare i sistemi antispam (ma tanto Gmail se ne era accorto comunque...). Per\u00f2 magari mettere un controllo che la prima cifra non sia uno zero potrebbe essere utile!","rel":"","context":"In &quot;spam_phishing&quot;","block_context":{"text":"spam_phishing","link":"https:\/\/xmau.com\/notiziole\/category\/spam_phishing\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/xmau.com\/notiziole\/wp-content\/uploads\/sites\/6\/2024\/04\/titanspins.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/xmau.com\/notiziole\/wp-content\/uploads\/sites\/6\/2024\/04\/titanspins.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/xmau.com\/notiziole\/wp-content\/uploads\/sites\/6\/2024\/04\/titanspins.jpg?resize=525%2C300&ssl=1 1.5x"},"classes":[]}],"jetpack_likes_enabled":true,"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/xmau.com\/notiziole\/wp-json\/wp\/v2\/posts\/2800","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/xmau.com\/notiziole\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xmau.com\/notiziole\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xmau.com\/notiziole\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/xmau.com\/notiziole\/wp-json\/wp\/v2\/comments?post=2800"}],"version-history":[{"count":1,"href":"https:\/\/xmau.com\/notiziole\/wp-json\/wp\/v2\/posts\/2800\/revisions"}],"predecessor-version":[{"id":33630,"href":"https:\/\/xmau.com\/notiziole\/wp-json\/wp\/v2\/posts\/2800\/revisions\/33630"}],"wp:attachment":[{"href":"https:\/\/xmau.com\/notiziole\/wp-json\/wp\/v2\/media?parent=2800"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xmau.com\/notiziole\/wp-json\/wp\/v2\/categories?post=2800"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xmau.com\/notiziole\/wp-json\/wp\/v2\/tags?post=2800"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}