[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.skreta.cz\/vse-o-modrem-svetle\/#Article","mainEntityOfPage":"https:\/\/www.skreta.cz\/vse-o-modrem-svetle\/","headline":"V\u0161e o modr\u00e9m sv\u011btle","name":"V\u0161e o modr\u00e9m sv\u011btle","description":"V\u0161ichni v\u00edme, \u017ee je n\u011bkolik druh\u016f sv\u011btel a z\u00e1\u0159en\u00ed a tak\u00e9 v\u0161elijak\u00e9 barvy. Kdy\u017e vyjdeme ven, nebo sta\u010d\u00ed b\u00fdt klidn\u011b doma, a to ve dne nebo v noci, n\u00e1bytek, v\u011bci a podobn\u011b vid\u00edme pouze d\u00edky sv\u011btla. Kdyby nebylo sv\u011btlo, nevid\u00edme nic. T\u00edm, \u017ee Slunce sv\u00edt\u00ed a vyd\u00e1v\u00e1 jak\u00e9si z\u00e1\u0159en\u00ed m\u016f\u017eeme my pozorovat ostatn\u00ed v\u011bci kolem...<p class=\"more-link-wrap\"><a href=\"https:\/\/www.skreta.cz\/vse-o-modrem-svetle\/\" class=\"more-link\">P\u0159e\u010d\u00edst<span class=\"screen-reader-text\"> &ldquo;V\u0161e o modr\u00e9m sv\u011btle&rdquo;<\/span> &raquo;<\/a><\/p>","datePublished":"2022-09-11","dateModified":"2023-05-03","author":{"@type":"Person","@id":"https:\/\/www.skreta.cz\/author\/devene\/#Person","name":"devene","url":"https:\/\/www.skreta.cz\/author\/devene\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/bf8a2da9791e94b6eb5cec245ee5eeceecb651e79e829278e2c546441579397e?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/bf8a2da9791e94b6eb5cec245ee5eeceecb651e79e829278e2c546441579397e?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"skreta.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.skreta.cz\/wp-content\/uploads\/hands-gebbec0843_640.jpg","url":"https:\/\/www.skreta.cz\/wp-content\/uploads\/hands-gebbec0843_640.jpg","height":0,"width":0},"url":"https:\/\/www.skreta.cz\/vse-o-modrem-svetle\/","about":["Zbo\u017e\u00ed"],"wordCount":486,"articleBody":"          V\u0161ichni v\u00edme, \u017ee je n\u011bkolik druh\u016f sv\u011btel a z\u00e1\u0159en\u00ed a tak\u00e9 v\u0161elijak\u00e9 barvy. Kdy\u017e vyjdeme ven, nebo sta\u010d\u00ed b\u00fdt klidn\u011b doma, a to ve dne nebo v noci, n\u00e1bytek, v\u011bci a podobn\u011b vid\u00edme pouze d\u00edky sv\u011btla. Kdyby nebylo sv\u011btlo, nevid\u00edme nic. T\u00edm, \u017ee Slunce sv\u00edt\u00ed a vyd\u00e1v\u00e1 jak\u00e9si z\u00e1\u0159en\u00ed m\u016f\u017eeme my pozorovat ostatn\u00ed v\u011bci kolem n\u00e1s. Proto\u017ee jakmile Slunce vy\u0161le paprsky, dopadnou na v\u011bci kolem n\u00e1s a odraz\u00ed se zp\u011bt, proto vid\u00edme hmotu kolem n\u00e1s, proto vlastn\u011b vid\u00edme i sebe, proto\u017ee se od n\u00e1s sv\u011btlo vlastn\u011b odr\u00e1\u017e\u00ed, proto je tak d\u016fle\u017eit\u00e9. Beze sv\u011btla bychom nevid\u011bli nic. Nedok\u00e1\u017eeme si p\u0159edstavit prakticky m\u00edstnost beze sv\u011btla, proto\u017ee v\u017edy, za n\u00e1\u0161 \u017eivot m\u00e1me v m\u00edstnosti alespo\u0148 kousek sv\u011btla, kter\u00e9 zde dopad\u00e1 i z M\u011bs\u00edce, nebo zde dopad\u00e1 z vedlej\u0161\u00ed m\u00edstnosti. Kdybychom cht\u011bli kompletn\u011b celou m\u00edstnost beze sv\u011btla, museli bychom takovou vytvo\u0159it speci\u00e1ln\u011b a doc\u00edlit toho, aby se dovnit\u0159 nedostalo v\u016fbec \u017e\u00e1dn\u00e9 sv\u011btlo. V tomto p\u0159\u00edpad\u011b bychom nevid\u011bli absolutn\u011b nic. Proto v\u011bci kolem n\u00e1s vid\u00edme jen d\u00edky sv\u011btla, kter\u00e9 se od nich odr\u00e1\u017e\u00ed a my tak m\u016f\u017eeme pozorovat, jak v\u011bci vypadaj\u00ed, jak\u00fd maj\u00ed tvar a podobn\u011b. A to opravdu v\u0161e jen d\u00edky sv\u011btla. Sv\u011btlo ale m\u016f\u017ee b\u00fdt tak\u00e9 \u0161kodliv\u00e9, jednak nadm\u011brn\u00e9 mno\u017estv\u00ed sv\u011btla, nap\u0159\u00edklad do na\u0161eho oka, nebo velmi siln\u00e9 sv\u011btlo, r\u016fzn\u00fd z\u00e1blesk, laser a podobn\u011b, ale to je u\u017e jin\u00e9 t\u00e9ma, kter\u00e9mu se dnes v\u011bnovat nebudeme. Budeme se v\u011bnovat jednomu typu \u0161kodliv\u00e9ho sv\u011btla, a to je konkr\u00e9tn\u011b modr\u00e9  http:\/\/www.modra.knihovna.cz\/ sv\u011btlo. Nen\u00ed zas tak extr\u00e9mn\u011b \u0161kodliv\u00e9, ale v r\u00e1mci mo\u017enost\u00ed m\u016f\u017ee nap\u00e1chat dost velk\u00e9 \u0161kody. Co to vlastn\u011b modr\u00e9 sv\u011btlo je? Modr\u00e9 sv\u011btlo opravdu nen\u00ed modr\u00e9 sv\u011btlo, kter\u00e9 bychom si pustili t\u0159eba z v\u00e1no\u010dn\u00edch \u017e\u00e1rovi\u010dek. Je to sv\u011btlo, kter\u00e9 vys\u00edlaj\u00ed na\u0161e za\u0159\u00edzen\u00ed, jako nap\u0159\u00edklad telefon, notebook, televize. Toto sv\u011btlo nen\u00ed \u0161kodliv\u00e9 pro na\u0161e o\u010di, jak si n\u011bkte\u0159\u00ed mohou myslet. Nebo vlastn\u011b je. Posu\u010fte nyn\u00ed sami. Toto sv\u011btlo aktivuje s\u00edtnici stokr\u00e1t v\u00edce ne\u017e klasick\u00e9 b\u00edl\u00e9 sv\u011btlo. To zp\u016fsob\u00ed, \u017ee se nabour\u00e1 n\u00e1\u0161 p\u0159irozen\u00fd biorytmus t\u011bla. Zpomal\u00ed se metabolismus, t\u011blo si nebude myslet, \u017ee se chyst\u00e1te ke sp\u00e1nku, pokud budete tato za\u0159\u00edzen\u00ed pou\u017e\u00edvat ve\u010der. M\u016f\u017eete se p\u0159ed modr\u00fdm sv\u011btlem chr\u00e1nit pomoc\u00ed br\u00fdl\u00ed proti modr\u00e9mu sv\u011btlu.                                                                                                                                                                                                                                                                                                                                                                                                   "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"V\u0161e o modr\u00e9m sv\u011btle","item":"https:\/\/www.skreta.cz\/vse-o-modrem-svetle\/#breadcrumbitem"}]}]