[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.lekro.cz\/proc-je-zarovka-h7-stale-tak-casto-pouzivana\/#Article","mainEntityOfPage":"https:\/\/www.lekro.cz\/proc-je-zarovka-h7-stale-tak-casto-pouzivana\/","headline":"Pro\u010d je \u017e\u00e1rovka h7 st\u00e1le tak \u010dasto pou\u017e\u00edvan\u00e1","name":"Pro\u010d je \u017e\u00e1rovka h7 st\u00e1le tak \u010dasto pou\u017e\u00edvan\u00e1","description":"Asi ka\u017ed\u00fd v\u00ed, \u017ee nejsme schopni vid\u011bt za sn\u00ed\u017een\u00fdch sv\u011bteln\u00fdch podm\u00ednek, nap\u0159\u00edklad po z\u00e1padu Slunce, vid\u011bt tak dob\u0159e jako nap\u0159\u00edklad ko\u010dky. Je tedy jasn\u00e9, \u017ee pot\u0159ebujeme um\u011bl\u00fd zdroj sv\u011btla. Ale kde ho z\u00edskat? Dlouhou dobu j\u00edm byl ohe\u0148, v nejr\u016fzn\u011bj\u0161\u00edch podob\u00e1ch. Nejprve to bylo otev\u0159en\u00e9 ohni\u0161t\u011b, pozd\u011bji krby a nakonec plynov\u00e9 lampy. V n\u011bkter\u00fdch dom\u00e1cnostech […]","datePublished":"2020-04-19","dateModified":"2024-02-12","author":{"@type":"Person","@id":"https:\/\/www.lekro.cz\/author\/#Person","name":"","url":"https:\/\/www.lekro.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/d6cba3ab97c30e0df0e32548954cb6b1550f4672bd3a4687bf1118b122d757e8?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/d6cba3ab97c30e0df0e32548954cb6b1550f4672bd3a4687bf1118b122d757e8?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"lekro.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.lekro.cz\/wp-content\/uploads\/art378478_1x1_20261006_015536_fpQcZB.jpg","url":"https:\/\/www.lekro.cz\/wp-content\/uploads\/art378478_1x1_20261006_015536_fpQcZB.jpg","height":0,"width":0},"url":"https:\/\/www.lekro.cz\/proc-je-zarovka-h7-stale-tak-casto-pouzivana\/","about":["Nakupov\u00e1n\u00ed"],"wordCount":441,"articleBody":"\tAsi ka\u017ed\u00fd v\u00ed, \u017ee nejsme schopni vid\u011bt za sn\u00ed\u017een\u00fdch sv\u011bteln\u00fdch podm\u00ednek, nap\u0159\u00edklad po z\u00e1padu Slunce, vid\u011bt tak dob\u0159e jako nap\u0159\u00edklad ko\u010dky. Je tedy jasn\u00e9, \u017ee pot\u0159ebujeme um\u011bl\u00fd zdroj sv\u011btla. Ale kde ho z\u00edskat?\tDlouhou dobu j\u00edm byl ohe\u0148, v nejr\u016fzn\u011bj\u0161\u00edch podob\u00e1ch. Nejprve to bylo otev\u0159en\u00e9 ohni\u0161t\u011b, pozd\u011bji krby a nakonec plynov\u00e9 lampy. V n\u011bkter\u00fdch dom\u00e1cnostech se dr\u017e\u00ed dodnes, av\u0161ak dnes ji\u017e nikoliv jako zdroj osv\u011btlen\u00ed, n\u00fdbr\u017e pouze tepla.\tS ohn\u011bm byla toti\u017e \u0159ada probl\u00e9m\u016f. T\u00edm hlavn\u00edm byl fakt, \u017ee osv\u011btloval pom\u011brn\u011b malou oblast. P\u0159eci jen, z\u00e1\u0159e, kterou vyd\u00e1v\u00e1, nen\u00ed a\u017e tak p\u0159\u00edli\u0161 jasn\u00e1. Bylo tedy nutn\u00e9 sebou nosit pochodn\u011b, pozd\u011bji sv\u00edcny, tedy jak\u00e9si p\u0159edch\u016fdce dne\u0161n\u00edch baterek, pokud jste \u0161li v noci po chodb\u011b.\tD\u00e1le je zde samoz\u0159ejm\u011b ten neopominuteln\u00fd fakt, \u017ee ohe\u0148, zejm\u00e9na ten otev\u0159en\u00fd, p\u0159edstavuje riziko po\u017e\u00e1ru. Sta\u010d\u00ed mal\u00e1 nepozornost a nehoda je na sv\u011bt\u011b. Jist\u011b, existovaly metody prevence, av\u0161ak ani ty nebyly stoprocentn\u011b efektivn\u00ed.\tA zapomenout nesm\u00edme ani na fakt, \u017ee ohe\u0148 bylo nutn\u00e9 prakticky neust\u00e1le krmit. Polena \u010di uhl\u00ed v krbu sho\u0159ela, knot sv\u00ed\u010dky doho\u0159el. Nebylo tedy mo\u017en\u00e9 nechat jej del\u0161\u00ed dobu bez jak\u00e9koliv pozornosti. Nemohli jste tedy nap\u0159\u00edklad na n\u011bkolik hodin odej\u00edt, nebo v noci celou noc sp\u00e1t, ani\u017e byste alespo\u0148 jednou nevstali a nep\u0159ilo\u017eili.\tD\u00e1le je tu fakt, \u017ee vyho\u0159el\u00e9 ohni\u0161t\u011b bylo nutn\u00e9 \u010distit, co\u017e byla pra\u0161n\u00e1 a nep\u0159\u00edjemn\u00e1 pr\u00e1ce. Jemn\u00fd pop\u00edlek m\u00e1 tendenci se p\u0159i sebemen\u0161\u00edm z\u00e1vanu v\u00e1nku vzn\u00e9st, a rozhodn\u011b nen\u00ed nic p\u0159\u00edjemn\u00e9ho, kdy\u017e v\u00e1m spadne do o\u010d\u00ed. A tuto proceduru bylo nutn\u00e9 prov\u00e1d\u011bt ka\u017ed\u00fd den.\t\tNa\u0161t\u011bst\u00ed bylo vynalezeno n\u011bco lep\u0161\u00edho, konkr\u00e9tn\u011b \u017e\u00e1rovka h7. Ta p\u0159edstavovala ve sv\u00e9 dob\u011b revoluci. Najednou jsme zde m\u011bli bezpe\u010dn\u00fd sv\u011bteln\u00fd zdroj, kter\u00fd mohl b\u011b\u017eet prakticky, jak dlouho jsme cht\u011bli, ani\u017e bychom jej museli p\u0159\u00edmo krmit.\tNen\u00ed tedy divu, \u017ee se velmi brzy masov\u011b roz\u0161\u00ed\u0159ila. A i kdy\u017e dnes m\u00e1me spoustu nejr\u016fzn\u011bj\u0161\u00edch druh\u016f v\u0161ech mo\u017en\u00fdch barev a velikost\u00ed. Z\u00e1kladn\u00ed princip z\u016fst\u00e1v\u00e1 stejn\u00fd. To je d\u016fkaz toho, \u017ee jde o skute\u010dn\u011b nad\u010dasov\u00fd vyn\u00e1lez. A jako k takov\u00e9mu bychom se k n\u011bmu m\u011bli chovat.                                                                                                                                                                                                                                                                                                                                                                                                "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Pro\u010d je \u017e\u00e1rovka h7 st\u00e1le tak \u010dasto pou\u017e\u00edvan\u00e1","item":"https:\/\/www.lekro.cz\/proc-je-zarovka-h7-stale-tak-casto-pouzivana\/#breadcrumbitem"}]}]