[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.epod.cz\/mame-nejen-prestupny-rok-ale-i-prestupnou-sekundu\/#Article","mainEntityOfPage":"https:\/\/www.epod.cz\/mame-nejen-prestupny-rok-ale-i-prestupnou-sekundu\/","headline":"M\u00e1me nejen p\u0159estupn\u00fd rok, ale i p\u0159estupnou sekundu","name":"M\u00e1me nejen p\u0159estupn\u00fd rok, ale i p\u0159estupnou sekundu","description":"\u010clov\u011bk je zaj\u00edmav\u00fd tvor. Nejprve vymysl\u00ed hodiny a pak na n\u011b \u017eehr\u00e1, proto\u017ee mu neust\u00e1le p\u0159ipom\u00ednaj\u00ed, jak rychle b\u011b\u017e\u00ed \u010das. Mo\u017en\u00e1, \u017ee to maj\u00ed n\u011bkter\u00e9 p\u0159\u00edrodn\u00ed n\u00e1rody v mnoh\u00e9m jednodu\u0161\u0161\u00ed. Nemusej\u00ed si neust\u00e1le uv\u011bdomovat, \u017ee –\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 u\u017e je p\u011bt r\u00e1no a mus\u00ed se vst\u00e1vat do pr\u00e1ce –\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 u\u017e se bl\u00ed\u017e\u00ed poledne a st\u00e1le je\u0161t\u011b nen\u00ed […]","datePublished":"2025-02-27","dateModified":"2025-02-27","author":{"@type":"Person","@id":"https:\/\/www.epod.cz\/author\/#Person","name":"","url":"https:\/\/www.epod.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/7726f7b8e3ba8979c4cf2ad896cb2e8cc05af8ceb17ce4fb40617b72e0be53b4?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/7726f7b8e3ba8979c4cf2ad896cb2e8cc05af8ceb17ce4fb40617b72e0be53b4?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"epod.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.epod.cz\/wp-content\/uploads\/img_a309714_w1712_t1520672710.png","url":"https:\/\/www.epod.cz\/wp-content\/uploads\/img_a309714_w1712_t1520672710.png","height":0,"width":0},"url":"https:\/\/www.epod.cz\/mame-nejen-prestupny-rok-ale-i-prestupnou-sekundu\/","wordCount":416,"articleBody":"\u010clov\u011bk je zaj\u00edmav\u00fd tvor. Nejprve vymysl\u00ed hodiny a pak na n\u011b \u017eehr\u00e1, proto\u017ee mu neust\u00e1le p\u0159ipom\u00ednaj\u00ed, jak rychle b\u011b\u017e\u00ed \u010das. Mo\u017en\u00e1, \u017ee to maj\u00ed n\u011bkter\u00e9 p\u0159\u00edrodn\u00ed n\u00e1rody v mnoh\u00e9m jednodu\u0161\u0161\u00ed.Nemusej\u00ed si neust\u00e1le uv\u011bdomovat, \u017ee–\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 u\u017e je p\u011bt r\u00e1no a mus\u00ed se vst\u00e1vat do pr\u00e1ce–\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 u\u017e se bl\u00ed\u017e\u00ed poledne a st\u00e1le je\u0161t\u011b nen\u00ed pr\u00e1ce hotov\u00e1–\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 u\u017e bude \u0161est ve\u010der a j\u00e1 nest\u00edh\u00e1m ud\u011blat ve\u010de\u0159–\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 u\u017e je mi \u2026 let a vlastn\u011b jsem nestihla v\u0161e, co jsem od \u017eivota cht\u011bla.Lid\u00e9 si prost\u011b upletli bi\u010d sami na sebe. Ale my u\u017e to asi nezm\u011bn\u00edme a nevr\u00e1t\u00edme do p\u016fvodn\u00edch kolej\u00ed, a tak se mus\u00edme sm\u00ed\u0159it s t\u00edm, \u017ee n\u00e1s prost\u011b \u010das neust\u00e1le\u00b7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 hon\u00ed\u00b7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 tla\u010d\u00ed\u00b7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 popoh\u00e1n\u00ed.Sv\u016fj \u010das si mohli lid\u00e9 s sebou za\u010d\u00edt nosit u\u017e v patn\u00e1ct\u00e9m stolet\u00ed, kdy vznikaj\u00ed prvn\u00ed hodinky s pru\u017einou. Princip je jednoduch\u00fd. V hodink\u00e1ch je spir\u00e1lov\u011b zahnut\u00e1 pru\u017eina, kterou nata\u017een\u00edm hodinek prost\u011b zabal\u00edme. A ozuben\u00e1 kole\u010dka je zase pomalu rozbal\u00ed.–\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Prvn\u00ed kapesn\u00ed hodinky by asi pro n\u00e1s velk\u00e9ho v\u00fdznamu nem\u011bly.–\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Byly opat\u0159eny pouze jedinou hodinovou ru\u010di\u010dkou.Pak se pomalu hodinky vyv\u00edjely do dne\u0161n\u00ed podoby. Dne\u0161n\u00ed kapesn\u00ed hodinky v\u00e1m mohou krom\u011b p\u0159esn\u00e9ho \u010dasu prozradit i to, v jak\u00e9 f\u00e1zi se pr\u00e1v\u011b nach\u00e1z\u00ed M\u011bs\u00edc.\tP\u0159esn\u011bji u\u017e to asi nep\u016fjdeV sou\u010dasnosti jsou nejp\u0159esn\u011bj\u0161\u00ed hodiny atomov\u00e9. Tato my\u0161lenka nedala v\u011bdc\u016fm sp\u00e1t u\u017e od t\u0159ic\u00e1t\u00fdch let dvac\u00e1t\u00e9ho stolet\u00ed. Jen\u017ee atomov\u00e1 p\u0159esnost zp\u016fsobila jeden probl\u00e9m \u2013 \u00fadaje z hodin a \u010das, kter\u00fd ur\u010duje ot\u00e1\u010den\u00ed Zem\u011b, se za\u010daly rozch\u00e1zet. Za sto let to bude jedna minuta. A tak se mus\u00ed \u010das od \u010dasu p\u0159ipo\u010d\u00edtat p\u0159estupn\u00e1 sekunda. K vlo\u017een\u00ed p\u0159estupn\u00e9 sekundy se p\u0159istupuje jednou a\u017e dvakr\u00e1t do roka. A\u010dkoliv se to zd\u00e1 n\u00e1m laik\u016fm tak trochu nepochopiteln\u00e9, m\u016f\u017ee pr\u00e1v\u011b ta jedna sekunda zkomplikovat n\u011bkter\u00e9 situace. Probl\u00e9m m\u016f\u017ee nastat ve chv\u00edli, kdy servery, kter\u00e9 jsou zodpov\u011bdn\u00e9 za synchronizaci internetov\u00e9ho \u010dasu, nemusej\u00ed spr\u00e1vn\u011b zvl\u00e1dnout vst\u0159eb\u00e1n\u00ed p\u0159estupn\u00e9 sekundy.\u00a0                                                                                                                                                                                                                                                                                                                                                                                        4.2\/5 - (4 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"M\u00e1me nejen p\u0159estupn\u00fd rok, ale i p\u0159estupnou sekundu","item":"https:\/\/www.epod.cz\/mame-nejen-prestupny-rok-ale-i-prestupnou-sekundu\/#breadcrumbitem"}]}]