{"id":189544,"date":"2022-04-29T15:37:00","date_gmt":"2022-04-29T12:37:00","guid":{"rendered":"https:\/\/geek.mediadoma.com\/?p=189544"},"modified":"2022-04-30T02:45:38","modified_gmt":"2022-04-29T23:45:38","slug":"teadlased-lugesid-300-aastast-kokkuvolditud-kirja-ilma-seda-avamata-nii","status":"publish","type":"post","link":"https:\/\/geek.mediadoma.com\/et\/teadlased-lugesid-300-aastast-kokkuvolditud-kirja-ilma-seda-avamata-nii\/","title":{"rendered":"Teadlased lugesid 300-aastast kokkuvolditud kirja ilma seda avamata \u2013 nii"},"content":{"rendered":"<p><a href=\"https:\/\/www.nature.com\/articles\/s41467-021-21326-w\" target=\"_blank\" rel=\"noopener nofollow\" class=\"external external_icon\">Looduskommunikatsioonid<\/a><\/p>\n<p>Suletud <a href=\"https:\/\/www.nature.com\/articles\/s41467-021-21326-w\" target=\"_blank\" rel=\"noopener nofollow\" class=\"external external_icon\">300-aastase kirja<\/a> mahlane sisu on n\u00fc\u00fcd k\u00f5igile nautimiseks saadaval t\u00e4nu uuele algoritmile, mis dekonstrueerib r\u00f6ntgenikiirgust, et dokumendid praktiliselt lahti voltida. MIT-i teadlased t\u00f6\u00f6tasid v\u00e4lja virtuaalse kirjaavamise meetodi, et lugeda avamata kirju, mis vahatihendite ja intensiivsete voltide t\u00f5ttu on t\u00e4nap\u00e4eval avamiseks liiga haprad.<\/p>\n<p>Oota, kas ma \u00fctlesin, et see kiri on mahlane? See on tegelikult natuke igap\u00e4evane. 31 juuli 1697. aasta kirjas palub prantsuse advokaat Jacques Sennacques oma n\u00f5bul Pierre Le Persil saata Daniel Le Persi nimelise sugulase surmatunnistus. Kahjuks ei j\u00f5udnud kiri Pierre&#8217;i. Selle asemel istus see pagasiruumis, mille h\u00fc\u00fcdnimeks oli <a href=\"http:\/\/emlo-portal.bodleian.ox.ac.uk\/collections\/?catalogue=brienne-collection\" target=\"_blank\" rel=\"noopener nofollow\" class=\"external external_icon\">Brienne Collection<\/a>, koos 2600 muu kirjaga, millest 600 on avamata.<\/p>\n<p>Uudishimulikud teadlased ei saa neid pitseerimata t\u00e4hti avada, kuna need on k\u00f5ik &quot;t\u00e4htlukuga&quot;. <a href=\"https:\/\/en.wikipedia.org\/wiki\/Letterlocking\" target=\"_blank\" rel=\"noopener nofollow\" class=\"external external_icon\">T\u00e4htlukustamine<\/a>, protsess, mille k\u00e4igus volditakse ja pitseeritakse kiri nii kaugele, et seda ei saa lahti rebimata avada, oli sadade jaoks levinud trikk. See hoiab \u00e4ra nuhkijad, kes avades &#8220;lukustatud&quot; kirja kahjustavad, j\u00e4ttes t\u00f5endi kirja v\u00f5ltsimisest.<\/p>\n<p>P\u00e4rast 300 aastat tolmuses prantsuse kastis on t\u00e4hed liiga haprad, et &quot;avada&quot; ilma olulist kahju tekitamata. Ja isegi juhtudel, kui teadlased said kirja edukalt lahti voltida, kustutab see kirjaluku, mis on omaette v\u00e4\u00e4rtuslik killuke ajalugu.<\/p>\n<p>Teadlased saavad seda virtuaalset avamismeetodit kasutada avamata kirjade sisu paljastamiseks, mis on \u00fcsna levinud, arvestades kirjade levimust enne 20. sajandi l\u00f5ppu. See tehnoloogia v\u00f5ib olla kasulik ka teadlastele, kes uurivad muid hapraid dokumente, nagu vanu raamatuid ja rulluime.<\/p>\n<p>Allikas: <a href=\"https:\/\/www.nature.com\/articles\/s41467-021-21326-w\" target=\"_blank\" rel=\"noopener nofollow\" class=\"external external_icon\">Nature Communications<\/a> via <a href=\"https:\/\/www.newscientist.com\/article\/2269678-algorithm-reveals-contents-of-fragile-letters-sealed-for-300-years\/\" target=\"_blank\" rel=\"noopener nofollow\" class=\"external external_icon\">New Scientist<\/a><\/p>\n<p><div id=\"PostUnique_PostSource\" style=\"padding-top: 50px\">:  <a target=\"_blank\" rel=\"noopener nofollow\" href=\"\/\/www.reviewgeek.com\" class=\"external external_icon\">www.reviewgeek.com<\/a><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Suletud 300-aastase kirja mahlane sisu on n\u00fc\u00fcd k\u00f5igile nautimiseks saadaval t\u00e4nu uuele algoritmile, mis dekonstrueerib r\u00f6ntgenikiirgust, et dokumendid praktiliselt lahti voltida. MIT-i teadlased t\u00f6\u00f6tasid v\u00e4lja virtuaalse kirjaavamise meetodi, et lugeda avamata kirju, mis vahatihendite ja intensiivsete voltide t\u00f5ttu on t\u00e4nap\u00e4eval avamiseks liiga haprad.<\/p>\n","protected":false},"author":1,"featured_media":185121,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_wp_rev_ctl_limit":""},"categories":[650,735,724],"tags":[],"class_list":["post-189544","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hobid","category-mitmesugused","category-uudis"],"_links":{"self":[{"href":"https:\/\/geek.mediadoma.com\/et\/wp-json\/wp\/v2\/posts\/189544","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/geek.mediadoma.com\/et\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/geek.mediadoma.com\/et\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/geek.mediadoma.com\/et\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/geek.mediadoma.com\/et\/wp-json\/wp\/v2\/comments?post=189544"}],"version-history":[{"count":0,"href":"https:\/\/geek.mediadoma.com\/et\/wp-json\/wp\/v2\/posts\/189544\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/geek.mediadoma.com\/et\/wp-json\/wp\/v2\/media\/185121"}],"wp:attachment":[{"href":"https:\/\/geek.mediadoma.com\/et\/wp-json\/wp\/v2\/media?parent=189544"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/geek.mediadoma.com\/et\/wp-json\/wp\/v2\/categories?post=189544"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/geek.mediadoma.com\/et\/wp-json\/wp\/v2\/tags?post=189544"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}