{"id":47876,"date":"2021-03-03T20:29:00","date_gmt":"2021-03-03T18:29:00","guid":{"rendered":"http:\/\/life.karpat.in.ua\/?p=47876"},"modified":"2021-03-03T14:05:34","modified_gmt":"2021-03-03T12:05:34","slug":"fogaszati-rontgennel-lestek-be-17-szazadi-bontatlan-levelekbe-brit-kutatok","status":"publish","type":"post","link":"https:\/\/life.karpat.in.ua\/?p=47876&lang=hu","title":{"rendered":"Fog\u00e1szati r\u00f6ntgennel lestek be 17. sz\u00e1zadi, bontatlan levelekbe brit kutat\u00f3k"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>Fog\u00e1szatban haszn\u00e1lt r\u00f6ntgenk\u00e9sz\u00fcl\u00e9kkel lestek be 17. sz\u00e1zadi, bontatlan levelekbe brit kutat\u00f3k, akiknek a vil\u00e1gon els\u0151k\u00e9nt siker\u00fclt elolvasniuk a renesz\u00e1nsz kori Eur\u00f3p\u00e1b\u00f3l sz\u00e1rmaz\u00f3 n\u00e9h\u00e1ny lez\u00e1rt levelet an\u00e9lk\u00fcl, hogy felbontott\u00e1k vagy b\u00e1rmilyen m\u00f3don megrong\u00e1lt\u00e1k volna a dokumentumokat.<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"750\" height=\"470\" src=\"http:\/\/life.karpat.in.ua\/wp-content\/uploads\/2021\/03\/level.jpg\" alt=\"\" class=\"wp-image-47877\" srcset=\"https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2021\/03\/level.jpg 750w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2021\/03\/level-300x188.jpg 300w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">A szakemberek a londoni M\u00e1ria Kir\u00e1lyn\u0151 Egyetem fog\u00e1szati kutat\u00f3laborat\u00f3rium\u00e1ban kifejlesztett r\u00f6ntgen-mikrotomogr\u00e1ffal vizsg\u00e1ltak meg olyan bontatlan leveleket, amelyeket egy 17. sz\u00e1zadi postai l\u00e1da rejtett &#8211; olvashat\u00f3 a PhysOrg tudom\u00e1nyos-ismeretterjeszt\u0151 h\u00edrport\u00e1lon.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A k\u00fcldem\u00e9nyek felad\u00f3i k\u00fcl\u00f6nleges lez\u00e1r\u00e1si technik\u00e1kat alkalmazva \u00e9rt\u00e9k el, hogy maga a lev\u00e9l szolg\u00e1ljon saj\u00e1t bor\u00edt\u00e9kj\u00e1ul. Az ilyen leveleket eddig csup\u00e1n \u00fagy tudt\u00e1k tanulm\u00e1nyozni \u00e9s elolvasni a kutat\u00f3k, hogy felbontott\u00e1k \u0151ket, gyakran megrong\u00e1lva a t\u00f6rt\u00e9nelmi dokumentumokat.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A kutat\u00f3k \u00fagy tervezt\u00e9k meg a sz\u00f3ban forg\u00f3 r\u00f6ntgenk\u00e9sz\u00fcl\u00e9ket, hogy p\u00e9ld\u00e1tlan \u00e9rz\u00e9kenys\u00e9ge r\u00e9v\u00e9n felt\u00e9rk\u00e9pezze a fogak \u00e1sv\u00e1nyianyag-tartalm\u00e1t, ami \u00f3ri\u00e1si jelent\u0151s\u00e9g\u0171 a fog\u00e1szatban. A m\u0171szer \u00e9rz\u00e9kenys\u00e9ge azonban lehet\u0151v\u00e9 teszi a vizsg\u00e1lt levelek meg\u00edr\u00e1s\u00e1hoz haszn\u00e1lt tint\u00e1ban l\u00e9v\u0151 apr\u00f3 f\u00e9mr\u00e9szecsk\u00e9k \u00e9szlel\u00e9s\u00e9t is.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"420\" src=\"http:\/\/life.karpat.in.ua\/wp-content\/uploads\/2021\/03\/level2.jpg\" alt=\"\" class=\"wp-image-47878\" srcset=\"https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2021\/03\/level2.jpg 640w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2021\/03\/level2-300x197.jpg 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Az elk\u00e9sz\u00fclt r\u00f6ntgenfelv\u00e9teleken a kutat\u00f3k sz\u00e1m\u00edt\u00f3g\u00e9pes algoritmusokat alkalmazva azonos\u00edtott\u00e1k \u00e9s elk\u00fcl\u00f6n\u00edtett\u00e9k az \u00f6sszehajtogatott levelek egyes r\u00e9tegeit, majd &#8220;virtu\u00e1lisan kibontott\u00e1k&#8221; a dokumentumokat.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Az egyik lev\u00e9l 1697. j\u00falius 31-i keltez\u00e9s\u0171. Az \u00edr\u00f3ja egy bizonyos Jacques Sennacques, aki egy gy\u00e1szjelent\u00e9s hiteles\u00edtett m\u00e1solat\u00e1t k\u00e9ri H\u00e1g\u00e1ban \u00e9l\u0151 unokatestv\u00e9r\u00e9t\u0151l, a keresked\u0151 Pierre Le Pers-t\u0151l. A szakemberek szerint a lev\u00e9l leny\u0171g\u00f6z\u0151 bepillant\u00e1st enged az eur\u00f3pai t\u00f6rt\u00e9nelem egy viharos id\u0151szak\u00e1ban \u00e9l\u0151 \u00e1tlagemberek mindennapjaiba.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A kutat\u00f3k a Nature Communications c\u00edm\u0171 foly\u00f3iratban ismertett\u00e9k eredm\u00e9nyeiket.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">MTI<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Fog\u00e1szatban haszn\u00e1lt r\u00f6ntgenk\u00e9sz\u00fcl\u00e9kkel lestek be 17. sz\u00e1zadi, bontatlan levelekbe brit kutat\u00f3k.<\/p>\n","protected":false},"author":10,"featured_media":47877,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[41,596,49,598],"tags":[710,5898],"class_list":["post-47876","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cikkek","category-erdekes","category-hirek","category-tudomany","tag-kutatas","tag-regeszeti-feltaras"],"_links":{"self":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/47876","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/users\/10"}],"replies":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=47876"}],"version-history":[{"count":0,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/47876\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/media\/47877"}],"wp:attachment":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=47876"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=47876"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=47876"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}