{"id":48962,"date":"2025-09-17T08:03:20","date_gmt":"2025-09-17T08:03:20","guid":{"rendered":"https:\/\/tesla-lighting.cz\/?p=48962"},"modified":"2025-09-17T08:03:23","modified_gmt":"2025-09-17T08:03:23","slug":"teslabikar-36-dil-10-uzasnych-faktu-ktere-jste-o-svetle-mozna-nevedeli","status":"publish","type":"post","link":"https:\/\/tesla-lighting.cz\/en\/teslabikar-36-dil-10-uzasnych-faktu-ktere-jste-o-svetle-mozna-nevedeli\/","title":{"rendered":"TESLAbik\u00e1\u0159 36. d\u00edl \u2013 10 \u00fa\u017easn\u00fdch fakt\u016f, kter\u00e9 jste o sv\u011btle (mo\u017en\u00e1) nev\u011bd\u011bli!"},"content":{"rendered":"
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TESLAbik\u00e1\u0159 36. d\u00edl \u2013 10 \u00fa\u017easn\u00fdch fakt\u016f, kter\u00e9 jste o sv\u011btle (mo\u017en\u00e1) nev\u011bd\u011bli!<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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P\u0159ipravte se na cestu do sv\u011bta sv\u011btla, kter\u00e1 v\u00e1m uk\u00e1\u017ee, \u017ee osv\u011btlen\u00ed nen\u00ed jen o prakti\u010dnosti \u2013 je to jeden z nej\u00fa\u017easn\u011bj\u0161\u00edch fyzik\u00e1ln\u00edch jev\u016f, kter\u00e9 n\u00e1s obklopuj\u00ed.<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Ka\u017ed\u00fd den rozsv\u00edt\u00edme des\u00edtky lamp, p\u0159ep\u00edn\u00e1me mezi tepl\u00fdm a studen\u00fdm sv\u011btlem, vych\u00e1z\u00edme na slunce nebo si vytv\u00e1\u0159\u00edme \u00fatulnou atmosf\u00e9ru u ve\u010de\u0159e. Sv\u011btlo je tak samoz\u0159ejmou sou\u010d\u00e1st\u00ed na\u0161ich \u017eivot\u016f, \u017ee nad n\u00edm ani nep\u0159em\u00fd\u0161l\u00edme. Ale co kdyby v\u00e1m n\u011bkdo \u0159ekl, \u017ee ka\u017ed\u00fd paprsek kolem v\u00e1s skr\u00fdv\u00e1 fascinuj\u00edc\u00ed v\u011bdu a p\u0159ekvapiv\u00e9 vlastnosti?<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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1. Sv\u011btlo je zdrojem vitaminu D<\/b><\/h3>

Slune\u010dn\u00ed z\u00e1\u0159en\u00ed obsahuje\u00a0<\/span>UVB paprsky<\/b>, kter\u00e9 spou\u0161t\u00ed v na\u0161\u00ed k\u016f\u017ei tvorbu\u00a0<\/span>vitaminu D<\/b>. Ten je z\u00e1sadn\u00ed pro pevn\u00e9 kosti, silnou imunitu i celkovou vitalitu. Ale pozor \u2013 p\u0159\u00edli\u0161n\u00e9 vystaven\u00ed UV z\u00e1\u0159en\u00ed m\u016f\u017ee b\u00fdt \u0161kodliv\u00e9, proto je d\u016fle\u017eit\u00e1 rovnov\u00e1ha. Speci\u00e1ln\u00ed\u00a0<\/span>UV lampy<\/b>\u00a0se pou\u017e\u00edvaj\u00ed v severn\u00edch zem\u00edch b\u011bhem dlouh\u00fdch zimn\u00edch m\u011bs\u00edc\u016f k l\u00e9\u010db\u011b\u00a0<\/span>sez\u00f3nn\u00ed deprese<\/b>.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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2. Sv\u011btlo nen\u00ed v\u017edy viditeln\u00e9<\/b><\/h3>

To, co vn\u00edm\u00e1me jako viditeln\u00e9 sv\u011btlo, je jen mal\u00fd kousek\u00a0<\/span>elektromagnetick\u00e9ho spektra<\/b>. Nad n\u00edm se skr\u00fdv\u00e1\u00a0<\/span>ultrafialov\u00e9 z\u00e1\u0159en\u00ed<\/b>, pod n\u00edm\u00a0<\/span>infra\u010derven\u00e9 paprsky<\/b>. P\u0159esto\u017ee je nevid\u00edme, p\u016fsob\u00ed na n\u00e1s neust\u00e1le \u2013 od opalov\u00e1n\u00ed a\u017e po fungov\u00e1n\u00ed d\u00e1lkov\u00fdch ovlada\u010d\u016f.\u00a0<\/span>Infra\u010derven\u00e9 sv\u011btlo<\/b>\u00a0vytv\u00e1\u0159\u00ed pocit tepla, kter\u00fd c\u00edt\u00edme u krbu nebo radi\u00e1toru.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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3. Duha je kruh<\/b><\/h3>

Vid\u00edme ji jako oblouk, ale ve skute\u010dnosti je duha\u00a0<\/span>dokonal\u00fd kruh<\/b>. Ze zem\u011b n\u00e1m v\u00fdhled zakr\u00fdv\u00e1 horizont, proto zahl\u00e9dneme jen \u010d\u00e1st. Pokud m\u00e1te \u0161t\u011bst\u00ed a pozorujete duhu z letadla nebo vysok\u00fdch hor, m\u016f\u017eete spat\u0159it celou jej\u00ed\u00a0<\/span>kruhovou podobu<\/b>. Tento princip inspiruje i design\u00e9ry p\u0159i vytv\u00e1\u0159en\u00ed spektakul\u00e1rn\u00edch\u00a0<\/span>sv\u011bteln\u00fdch efekt\u016f<\/b>.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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4. Na sv\u011btle z\u00e1vis\u00ed na\u0161e n\u00e1lada<\/b><\/h3>

Na\u0161e\u00a0<\/span>biologick\u00e9 hodiny<\/b>\u00a0jsou naprogramov\u00e1ny podle sv\u011btla.\u00a0<\/span>Studen\u00e9 b\u00edl\u00e9 sv\u011btlo<\/b>\u00a0podporuje bd\u011blost a soust\u0159ed\u011bn\u00ed, zat\u00edmco\u00a0<\/span>tepl\u00e9 odst\u00edny<\/b>\u00a0navozuj\u00ed pohodu a pom\u00e1haj\u00ed usnout. Spr\u00e1vn\u00e9 osv\u011btlen\u00ed tak nen\u00ed jen ot\u00e1zkou estetiky, ale i na\u0161eho zdrav\u00ed.\u00a0<\/span>Circadi\u00e1nn\u00ed rytmus<\/b>\u00a0se \u0159\u00edd\u00ed pr\u00e1v\u011b podle sv\u011btla, proto chytr\u00e9 osv\u011btlovac\u00ed syst\u00e9my dok\u00e1\u017eou automaticky m\u011bnit\u00a0<\/span>teplotu barvy<\/b>\u00a0b\u011bhem dne.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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5. Sv\u011btlo cestuje i skrz lidskou k\u016f\u017ei<\/b><\/h3>

Pokud si n\u011bkdy posv\u00edt\u00edte lampou na ruku, uvid\u00edte, jak tk\u00e1n\u011b \u010d\u00e1ste\u010dn\u011b prosv\u00edtaj\u00ed. N\u011bkter\u00e9\u00a0<\/span>vlnov\u00e9 d\u00e9lky<\/b> dokonce pronikaj\u00ed hluboko pod povrch a l\u00e9ka\u0159sk\u00e9 p\u0159\u00edstroje toho vyu\u017e\u00edvaj\u00ed k monitorov\u00e1n\u00ed pr\u016ftoku krve nebo l\u00e9\u010db\u011b pomoc\u00ed sv\u011btla. <\/span>Fototerapie<\/b>\u00a0je dnes uzn\u00e1vanou medic\u00ednskou metodou pro hojen\u00ed ran a zm\u00edr\u0148ov\u00e1n\u00ed bolesti.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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6. Sv\u011btlo je star\u0161\u00ed, ne\u017e si mysl\u00edme<\/b><\/h3>

Kdy\u017e se d\u00edv\u00e1te na hv\u011bzdy, vlastn\u011b nahl\u00ed\u017e\u00edte do\u00a0<\/span>minulosti<\/b>. Sv\u011btlu z n\u011bkter\u00fdch hv\u011bzd trv\u00e1\u00a0<\/span>miliony let<\/b>, ne\u017e doraz\u00ed na Zemi. To znamen\u00e1, \u017ee hv\u011bzda, kterou pr\u00e1v\u011b te\u010f vid\u00edte, u\u017e mo\u017en\u00e1 v\u016fbec neexistuje. Tato relativita \u010dasu a vzd\u00e1lenosti inspiruje tak\u00e9 architekty p\u0159i n\u00e1vrhu osv\u011btlen\u00ed s postupn\u00fdm rozsv\u011bcov\u00e1n\u00edm a zh\u00e1\u0161en\u00edm.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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7<\/strong>. Sv\u011btlo m\u00e1 dvoj\u00ed povahu<\/b><\/h3>

Sv\u011btlo se chov\u00e1 jako\u00a0<\/span>vlna i jako \u010d\u00e1stice<\/b>\u00a0z\u00e1rove\u0148 \u2013 tento jev se naz\u00fdv\u00e1\u00a0<\/span>dualita sv\u011btla<\/b>. D\u00edky tomu vznikaj\u00ed fascinuj\u00edc\u00ed optick\u00e9 jevy, jako je oh\u00fdb\u00e1n\u00ed paprsk\u016f,\u00a0<\/span>interference<\/b>\u00a0nebo samotn\u00e1 existence duhy. Tuto vlastnost vyu\u017e\u00edvaj\u00ed\u00a0<\/span>holografick\u00e9 a laser technologie<\/b>\u00a0v modern\u00edm osv\u011btlen\u00ed.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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8. Sv\u011btlo m\u00e1 hmotnost?<\/strong><\/h3>

Foton<\/b>\u00a0\u2013 z\u00e1kladn\u00ed \u010d\u00e1stice sv\u011btla \u2013 nem\u00e1 klasickou hmotnost. P\u0159esto nese energii a hybnost, d\u00edky \u010demu\u017e dok\u00e1\u017ee vyv\u00edjet tzv.\u00a0<\/span>tlak sv\u011btla<\/b>. Ten je dokonce zkoum\u00e1n pro pohon vesm\u00edrn\u00fdch lod\u00ed s\u00a0<\/span>\u201esol\u00e1rn\u00edmi plachtami“<\/b>. V praxi se tlak sv\u011btla projevuje i u siln\u00fdch\u00a0<\/span>LED reflektor\u016f<\/b>.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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9. Sv\u011btlo m\u016f\u017eete ohnout<\/b><\/h3>

Na prvn\u00ed pohled se zd\u00e1, \u017ee sv\u011btlo v\u017edy putuje rovn\u011b. Jen\u017ee v p\u0159\u00edtomnosti obrovsk\u00e9 gravitace, nap\u0159\u00edklad kolem\u00a0<\/span>\u010dern\u00e9 d\u00edry<\/b>, se paprsky oh\u00fdbaj\u00ed. Tento efekt \u2013\u00a0<\/span>gravita\u010dn\u00ed \u010do\u010dkov\u00e1n\u00ed<\/b>\u00a0\u2013 astronom\u016fm umo\u017e\u0148uje nahl\u00ed\u017eet i do oblast\u00ed vesm\u00edru, kter\u00e9 by jinak z\u016fstaly neviditeln\u00e9. Oh\u00fdb\u00e1n\u00ed sv\u011btla vyu\u017e\u00edvaj\u00ed i\u00a0<\/span>optick\u00e9 syst\u00e9my<\/b>\u00a0v LED sv\u00edtidlech pro p\u0159esn\u00e9 nasm\u011brov\u00e1n\u00ed sv\u011btla.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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10. Lampy z lidsk\u00e9ho tuku<\/h3>

Rychlost sv\u011btla<\/b>\u00a0je p\u0159ibli\u017en\u011b\u00a0<\/span>299 792 kilometr\u016f za sekundu<\/b>. To znamen\u00e1, \u017ee by dok\u00e1zalo ob\u011bhnout Zemi v\u00edce ne\u017e\u00a0<\/span>sedmkr\u00e1t b\u011bhem jedin\u00e9 sekundy<\/b>. Je to nejvy\u0161\u0161\u00ed zn\u00e1ma rychlost ve vesm\u00edru a zat\u00edm nic nenasv\u011bd\u010duje tomu, \u017ee by ji mohlo n\u011bco p\u0159ekonat. Kdy\u017e stisknete sp\u00edna\u010d, sv\u011btlo se v m\u00edstnosti rozsv\u00edt\u00ed prakticky\u00a0<\/span>okam\u017eit\u011b<\/b>.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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\u010c\u00edm v\u00edce v\u00edme o sv\u011btle, t\u00edm l\u00e9pe rozum\u00edme tomu, jak n\u00e1s ovliv\u0148uje a jak s n\u00edm m\u016f\u017eeme pracovat. Od spr\u00e1vn\u00e9ho v\u00fdb\u011bru \u017e\u00e1rovek a\u017e po porozum\u011bn\u00ed vlastn\u00edmu biorytmu \u2013 sv\u011btlo m\u00e1 v\u011bt\u0161\u00ed moc, ne\u017e se zd\u00e1. P\u0159i v\u00fdb\u011bru osv\u011btlen\u00ed pro v\u00e1\u0161 domov dnes u\u017e nejde jen o to, aby sv\u00edtilo. Jde o to, aby podporovalo va\u0161e zdrav\u00ed, produktivitu a pohodu.<\/span><\/p>

Kter\u00fd z fakt\u016f nejv\u00edce zaujal v\u00e1s?<\/h5>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"

P\u0159ipravte se na cestu do sv\u011bta sv\u011btla, kter\u00e1 v\u00e1m uk\u00e1\u017ee, \u017ee osv\u011btlen\u00ed nen\u00ed jen o prakti\u010dnosti \u2013 je to jeden z nej\u00fa\u017easn\u011bj\u0161\u00edch fyzik\u00e1ln\u00edch jev\u016f, kter\u00e9 n\u00e1s obklopuj\u00ed. Ka\u017ed\u00fd den rozsv\u00edt\u00edme des\u00edtky lamp, p\u0159ep\u00edn\u00e1me mezi tepl\u00fdm a studen\u00fdm sv\u011btlem, vych\u00e1z\u00edme na slunce nebo si vytv\u00e1\u0159\u00edme \u00fatulnou atmosf\u00e9ru u ve\u010de\u0159e. Sv\u011btlo je tak samoz\u0159ejmou sou\u010d\u00e1st\u00ed na\u0161ich \u017eivot\u016f, […]<\/p>\n","protected":false},"author":17,"featured_media":48977,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[36],"tags":[],"class_list":["post-48962","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-novinky"],"yoast_head":"\nTESLAbik\u00e1\u0159 36. d\u00edl \u2013 10 \u00fa\u017easn\u00fdch fakt\u016f, kter\u00e9 jste o sv\u011btle (mo\u017en\u00e1) nev\u011bd\u011bli!<\/title>\n<meta name=\"description\" content=\"Sv\u011btlo hraje v lidsk\u00e9m \u017eivot\u011b nezastupitelnou roli od nepam\u011bti. Poj\u010fme se vydat na fascinuj\u00edc\u00ed cestu \u010dasem a prozkoumat, jak se vyv\u00edjely zp\u016fsoby osv\u011btlen\u00ed od prav\u011bku a\u017e po ran\u00fd novov\u011bk.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/tesla-lighting.cz\/en\/teslabikar-36-dil-10-uzasnych-faktu-ktere-jste-o-svetle-mozna-nevedeli\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"TESLAbik\u00e1\u0159 36. d\u00edl \u2013 10 \u00fa\u017easn\u00fdch fakt\u016f, kter\u00e9 jste o sv\u011btle (mo\u017en\u00e1) nev\u011bd\u011bli!\" \/>\n<meta property=\"og:description\" content=\"Sv\u011btlo hraje v lidsk\u00e9m \u017eivot\u011b nezastupitelnou roli od nepam\u011bti. 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