{"id":596,"date":"2026-02-09T11:43:08","date_gmt":"2026-02-09T09:43:08","guid":{"rendered":"https:\/\/www.sk-babickinerady.top\/?p=596"},"modified":"2026-02-09T11:43:08","modified_gmt":"2026-02-09T09:43:08","slug":"viete-preco-maju-niektore-okna-tento-konkretny-zakriveny-tvar-ked-som-zistil-dovod-nemohol-som-tomu-uverit-vysvetlim-to-v-komentaroch","status":"publish","type":"post","link":"https:\/\/www.sk-babickinerady.top\/?p=596","title":{"rendered":"Viete, pre\u010do maj\u00fa niektor\u00e9 okn\u00e1 tento konkr\u00e9tny zakriven\u00fd tvar? Ke\u010f som zistil d\u00f4vod, nemohol som tomu uveri\u0165. Vysvetl\u00edm to v koment\u00e1roch."},"content":{"rendered":"\n

Tak tohle je klasick\u00fd “clickbaitov\u00fd” \u00favod, kter\u00fd se v posledn\u00edch letech \u0161\u00ed\u0159\u00ed po soci\u00e1ln\u00edch s\u00edt\u00edch jako lavina! V\u011bt\u0161inou k n\u011bmu b\u00fdv\u00e1 fotka star\u00fdch oken nebo specifick\u00fdch v\u00fdklenk\u016f.<\/p>\n\n\n\n

Pokud nar\u00e1\u017e\u00edte na ty zak\u0159iven\u00e9 (konvexn\u00ed\/vypoukl\u00e9) sklen\u011bn\u00e9 tabulky<\/strong>, kter\u00e9 vypadaj\u00ed jako “bubliny” (v angli\u010dtin\u011b zn\u00e1m\u00e9 jako Crown Glass<\/em>), tak ten d\u016fvod je ve skute\u010dnosti mnohem prost\u0161\u00ed ne\u017e n\u011bjak\u00e9 magick\u00e9 tajemstv\u00ed, ale o to zaj\u00edmav\u011bj\u0161\u00ed z pohledu historie \u0159emesla.<\/p>\n\n\n\n

Tady je to rozuzlen\u00ed, kter\u00e9 se obvykle v t\u011bch “koment\u00e1\u0159\u00edch” dozv\u00edte (pokud to zrovna nen\u00ed scam):<\/p>\n\n\n\n

Pro\u010d jsou tedy ta skla vypoukl\u00e1?<\/h3>\n\n\n\n
    \n
  1. Technologick\u00fd limit (tzv. “B\u00fd\u010d\u00ed oko”):<\/strong> P\u0159ed vyn\u00e1lezem modern\u00edho ploch\u00e9ho skla (float glass<\/em>) se tabule vyr\u00e1b\u011bly vyfukov\u00e1n\u00edm velk\u00e9 sklen\u011bn\u00e9 koule, kter\u00e1 se n\u00e1sledn\u011b rozto\u010dila. Odst\u0159edivou silou se vytvo\u0159il ploch\u00fd disk. Uprost\u0159ed, kde byla sklen\u011bn\u00e1 ty\u010d (p\u00ed\u0161\u0165ala), v\u0161ak z\u016fstal tlust\u00fd, zak\u0159iven\u00fd uzel \u2013 pr\u00e1v\u011b to “b\u00fd\u010d\u00ed oko”.<\/li>\n\n\n\n
  2. Z nouze ctnost:<\/strong> Toto st\u0159edov\u00e9 sklo bylo nejlevn\u011bj\u0161\u00ed a nejm\u00e9n\u011b kvalitn\u00ed. P\u016fvodn\u011b ho pou\u017e\u00edvali jen chud\u00ed lid\u00e9, kter\u00fdm nevadilo, \u017ee p\u0159es n\u011bj nen\u00ed vid\u011bt ven a \u017ee deformuje sv\u011btlo.<\/li>\n\n\n\n
  3. Dne\u0161n\u00ed paradox:<\/strong> Zat\u00edmco v 18. stolet\u00ed byste takov\u00e9 okno cht\u011bli co nejd\u0159\u00edve vym\u011bnit za drah\u00e9 ploch\u00e9 tabulky, dnes jsou tato zak\u0159iven\u00e1 skla extr\u00e9mn\u011b vz\u00e1cn\u00e1 a drah\u00e1, proto\u017ee se stala symbolem historick\u00e9ho luxusu a pam\u00e1tkov\u00e9 hodnoty.<\/li>\n<\/ol>\n\n\n\n
    \n\n\n\n

    Nebo jde o jin\u00fd tvar?<\/h3>\n\n\n\n

    Pokud jste m\u011bl na mysli zak\u0159iven\u00e9 rohy oken u letadel<\/strong>, tak tam je d\u016fvod vylo\u017een\u011b \u017eivotn\u011b d\u016fle\u017eit\u00fd:<\/p>\n\n\n\n

      \n
    • \u00danava materi\u00e1lu:<\/strong> Star\u00e1 letadla (nap\u0159. de Havilland Comet<\/em>) m\u011bla \u010dtvercov\u00e1 okna. V roz\u00edch se ale koncentroval obrovsk\u00fd tlak, co\u017e vedlo k prask\u00e1n\u00ed trupu a tragick\u00fdm nehod\u00e1m. Zak\u0159iven\u00fd tvar tento tlak rozkl\u00e1d\u00e1 a zabra\u0148uje katastrof\u011b.<\/li>\n<\/ul>\n\n\n\n

      Trefil jsem ten d\u016fvod, kter\u00fd v\u00e1s tak p\u0159ekvapil, nebo jste narazil na je\u0161t\u011b jinou architektonickou kuriozitu?<\/p>\n","protected":false},"excerpt":{"rendered":"

      Tak tohle je klasick\u00fd “clickbaitov\u00fd” \u00favod, kter\u00fd se v posledn\u00edch letech \u0161\u00ed\u0159\u00ed po soci\u00e1ln\u00edch s\u00edt\u00edch jako lavina! V\u011bt\u0161inou k n\u011bmu b\u00fdv\u00e1 fotka star\u00fdch oken nebo specifick\u00fdch v\u00fdklenk\u016f. Pokud nar\u00e1\u017e\u00edte na […]<\/p>\n","protected":false},"author":2,"featured_media":597,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-596","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-zivotne-triky"],"_links":{"self":[{"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=\/wp\/v2\/posts\/596"}],"collection":[{"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=596"}],"version-history":[{"count":1,"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=\/wp\/v2\/posts\/596\/revisions"}],"predecessor-version":[{"id":598,"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=\/wp\/v2\/posts\/596\/revisions\/598"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=\/wp\/v2\/media\/597"}],"wp:attachment":[{"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=596"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=596"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=596"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}