{"id":13697,"date":"2022-11-21T17:43:38","date_gmt":"2022-11-21T17:43:38","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=13697"},"modified":"2022-11-21T17:43:38","modified_gmt":"2022-11-21T17:43:38","slug":"diy-invisibility-science-fiction-to-reality","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/hu\/science\/physics\/diy-invisibility-science-fiction-to-reality\/","title":{"rendered":"L\u00e1thatatlans\u00e1g: a science fictionb\u0151l a val\u00f3s\u00e1gba"},"content":{"rendered":"<h2 class=\"wp-block-heading\">L\u00e1thatatlans\u00e1g: a science fictiont\u0151l a val\u00f3s\u00e1gig<\/h2>\n\n<h3 class=\"wp-block-heading\">A l\u00e1thatatlans\u00e1g keres\u00e9se<\/h3>\n\n<p>\u00c9vsz\u00e1zadok \u00f3ta a l\u00e1thatatlans\u00e1g elk\u00e9pzel\u00e9se megragadta az emberi k\u00e9pzeletet, \u00e9s sz\u00e1mtalan t\u00f6rt\u00e9netet ihletett k\u00e9mekr\u0151l, szuperh\u0151s\u00f6kr\u0151l \u00e9s var\u00e1zslatos l\u00e9nyekr\u0151l. B\u00e1r az igazi l\u00e1thatatlann\u00e1 tev\u0151 k\u00f6penyek m\u00e9g mindig t\u00e1voli \u00e1lomnak t\u0171nhetnek, a tud\u00f3sok jelent\u0151s el\u0151rel\u00e9p\u00e9st tettek olyan anyagok \u00e9s eszk\u00f6z\u00f6k kifejleszt\u00e9s\u00e9ben, amelyek az emberi szem sz\u00e1m\u00e1ra l\u00e1thatatlann\u00e1 tehetik a t\u00e1rgyakat.<\/p>\n\n<h3 class=\"wp-block-heading\">A l\u00e1thatatlans\u00e1g tudom\u00e1nya<\/h3>\n\n<p>A l\u00e1thatatlans\u00e1g a f\u00e9ny t\u00e1rgyakkal val\u00f3 k\u00f6lcs\u00f6nhat\u00e1s\u00e1nak manipul\u00e1l\u00e1s\u00e1val m\u0171k\u00f6dik. Amikor a f\u00e9ny eltal\u00e1l egy t\u00e1rgyat, annak egy r\u00e9sze elnyel\u0151dik, egy r\u00e9sze visszaver\u0151dik, egy r\u00e9sze pedig \u00e1thalad rajta. Egy anyag t\u00f6r\u00e9smutat\u00f3ja hat\u00e1rozza meg, hogy a f\u00e9ny mennyire hajlik meg, amikor \u00e1thalad rajta. Ha egy t\u00e1rgy t\u00f6r\u00e9smutat\u00f3j\u00e1t a k\u00f6rnyezet\u00e9hez igaz\u00edtjuk, akkor a t\u00e1rgy l\u00e1thatatlann\u00e1 tehet\u0151.<\/p>\n\n<h3 class=\"wp-block-heading\">Metaanyagok \u00e9s transzform\u00e1ci\u00f3s optika<\/h3>\n\n<p>Az ut\u00f3bbi \u00e9vekben a kutat\u00f3k olyan fejlett anyagokat fejlesztettek ki, mint a metaanyagok \u00e9s a transzform\u00e1ci\u00f3s optika, amelyek p\u00e9lda n\u00e9lk\u00fcli m\u00f3don k\u00e9pesek manipul\u00e1lni a f\u00e9nyt. Ezek az anyagok meg tudj\u00e1k hajl\u00edtani, f\u00f3kusz\u00e1lni \u00e9s ak\u00e1r ki is tudj\u00e1k oltani a f\u00e9nyt, \u00edgy olyan eszk\u00f6z\u00f6k l\u00e9trehoz\u00e1s\u00e1t teszik lehet\u0151v\u00e9, amelyek l\u00e1thatatlann\u00e1 tehetik a t\u00e1rgyakat.<\/p>\n\n<h3 class=\"wp-block-heading\">Csin\u00e1ld magad l\u00e1thatatlans\u00e1g<\/h3>\n\n<p>B\u00e1r a high-tech l\u00e1thatatlans\u00e1gi k\u00f6penyek m\u00e9g fejleszt\u00e9s alatt \u00e1llnak, van egy egyszer\u0171 \u00e9s olcs\u00f3 m\u00f3dja annak, hogy otthon l\u00e1thatatlann\u00e1 tegy\u00fck a kis t\u00e1rgyakat. Ezt a technik\u00e1t, amelyet Ross Exton mutatott be az At-Bristol Science Centre-ben, \u00fagy hajtj\u00e1k v\u00e9gre, hogy a t\u00e1rgyat olyan folyad\u00e9kba mer\u00edtik, amelynek t\u00f6r\u00e9smutat\u00f3ja megegyezik a t\u00e1rgy t\u00f6r\u00e9smutat\u00f3j\u00e1val.<\/p>\n\n<h3 class=\"wp-block-heading\">Folyad\u00e9kok \u00e9s a f\u00e9ny hajl\u00edt\u00e1sa<\/h3>\n\n<p>K\u00fcl\u00f6nb\u00f6z\u0151 folyad\u00e9koknak k\u00fcl\u00f6nb\u00f6z\u0151 a t\u00f6r\u00e9smutat\u00f3juk. P\u00e9ld\u00e1ul a v\u00edz t\u00f6r\u00e9smutat\u00f3ja 1,33, m\u00edg a glicerin\u00e9 1,47. A megfelel\u0151 t\u00f6r\u00e9smutat\u00f3j\u00fa folyad\u00e9k kiv\u00e1laszt\u00e1s\u00e1val elt\u00fcntethet\u0151 egy t\u00e1rgy a l\u00e1t\u00f3t\u00e9rb\u0151l.<\/p>\n\n<h3 class=\"wp-block-heading\">Gyakorlati alkalmaz\u00e1sok<\/h3>\n\n<p>A l\u00e1thatatlans\u00e1gi technol\u00f3gi\u00e1nak sz\u00e1mos gyakorlati alkalmaz\u00e1si ter\u00fclete van, t\u00f6bbek k\u00f6z\u00f6tt:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Katonai:<\/strong> A l\u00e1thatatlann\u00e1 tev\u0151 k\u00f6penyekkel \u00e1lc\u00e1zhat\u00f3k a katon\u00e1k \u00e9s a j\u00e1rm\u0171vek, \u00edgy gyakorlatilag \u00e9szrevehetetlenn\u00e9 v\u00e1lnak az ellens\u00e9ges er\u0151k sz\u00e1m\u00e1ra.<\/li>\n<li><strong>Orvosi:<\/strong> A l\u00e1thatatlan eszk\u00f6z\u00f6k felhaszn\u00e1lhat\u00f3k minim\u00e1lisan invaz\u00edv m\u0171t\u00e9tekhez, \u00edgy az orvosok nagy metsz\u00e9sek n\u00e9lk\u00fcl v\u00e9gezhetnek el beavatkoz\u00e1sokat.<\/li>\n<li><strong>Sz\u00f3rakoz\u00e1s:<\/strong> A l\u00e1thatatlans\u00e1gi technol\u00f3gia felhaszn\u00e1lhat\u00f3 immerz\u00edv \u00e9s interakt\u00edv \u00e9lm\u00e9nyek l\u00e9trehoz\u00e1s\u00e1ra vid\u00e1mparkokban \u00e9s m\u00fazeumokban.<\/li>\n<\/ul>\n\n<h3 class=\"wp-block-heading\">A l\u00e1thatatlans\u00e1g j\u00f6v\u0151je<\/h3>\n\n<p>A l\u00e1thatatlans\u00e1gi kutat\u00e1s ter\u00fclete gyorsan fejl\u0151dik, \u00e9s folyamatosan \u00faj anyagokat \u00e9s eszk\u00f6z\u00f6ket fejlesztenek. B\u00e1r az igazi l\u00e1thatatlann\u00e1 tev\u0151 k\u00f6penyek m\u00e9g n\u00e9h\u00e1ny \u00e9v m\u00falva is el\u00e9rhet\u0151k lehetnek, az eddig el\u00e9rt halad\u00e1s k\u00f6zelebb hozott minket ahhoz a naphoz, amikor val\u00f3ban elt\u0171nhet\u00fcnk a l\u00e1t\u00f3t\u00e9rb\u0151l.<\/p>\n\n<h3 class=\"wp-block-heading\">Tov\u00e1bbi inform\u00e1ci\u00f3k<\/h3>\n\n<ul class=\"wp-block-list\">\n<li>A l\u00e1thatatlans\u00e1g tudom\u00e1ny\u00e1r\u00f3l tov\u00e1bbi inform\u00e1ci\u00f3k\u00e9rt l\u00e1togasson el az At-Bristol Science Centre weboldal\u00e1ra: <a href=\"www.at-bristol.org.uk\/science-explained\/physics\/how-to-make-things-invisible\/\">www.at-bristol.org.uk\/science-explained\/physics\/how-to-make-things-invisible\/<\/a><\/li>\n<li>Hogy megn\u00e9zze Ross Exton bemutat\u00f3j\u00e1t a folyad\u00e9kokkal val\u00f3 l\u00e1thatatlans\u00e1gr\u00f3l, l\u00e1togasson el a YouTube-vide\u00f3ra: <a href=\"www.youtube.com\/watch?v=X5H-q2g_gWA\">www.youtube.com\/watch?v=X5H-q2g_gWA<\/a><\/li>\n<li>A metaanyagokr\u00f3l \u00e9s a transzform\u00e1ci\u00f3s optik\u00e1r\u00f3l tov\u00e1bbi inform\u00e1ci\u00f3k\u00e9rt l\u00e1togasson el a k\u00f6vetkez\u0151 forr\u00e1sokhoz:\n<ul>\n<li><a href=\"https:\/\/www.sciencedirect.com\/topics\/engineering\/metamaterial\" rel=\"nofollow noopener\" target=\"_blank\">Metaanyagok: https:\/\/www.sciencedirect.com\/topics\/engineering\/metamaterial<\/a><\/li>\n<li><a href=\"https:\/\/www.rp-photonics.com\/transformation_optics.html\" rel=\"nofollow noopener\" target=\"_blank\">Transzform\u00e1ci\u00f3s optika: https:\/\/www.rp-photonics.com\/transformation_optics.html<\/a><\/li>\n<\/ul><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>L\u00e1thatatlans\u00e1g: a science fictiont\u0151l a val\u00f3s\u00e1gig A l\u00e1thatatlans\u00e1g keres\u00e9se \u00c9vsz\u00e1zadok \u00f3ta a l\u00e1thatatlans\u00e1g elk\u00e9pzel\u00e9se megragadta az emberi k\u00e9pzeletet, \u00e9s sz\u00e1mtalan t\u00f6rt\u00e9netet ihletett k\u00e9mekr\u0151l, szuperh\u0151s\u00f6kr\u0151l \u00e9s var\u00e1zslatos l\u00e9nyekr\u0151l. B\u00e1r az igazi&hellip;<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[965],"tags":[1761,99,18426,16338,18427,97,157],"class_list":["post-13697","post","type-post","status-publish","format-standard","hentry","category-physics","tag-diy","tag-lifescienceart","tag-invisibility","tag-metamaterials","tag-transformation-optics","tag-science","tag-science-fiction"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/posts\/13697","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/comments?post=13697"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/posts\/13697\/revisions"}],"predecessor-version":[{"id":13698,"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/posts\/13697\/revisions\/13698"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/media?parent=13697"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/categories?post=13697"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/tags?post=13697"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}