[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/czechmademan.cz\/jak-vidime-barvy\/#Article","mainEntityOfPage":"https:\/\/czechmademan.cz\/jak-vidime-barvy\/","headline":"Jak vid\u00edme barvy","name":"Jak vid\u00edme barvy","description":"Pro \u010dlov\u011bka je zrak jedn\u00edm z\u00a0nejd\u016fle\u017eit\u011bj\u0161\u00edch smysl\u016f. V\u00a0d\u016fle\u017eitosti se mu p\u0159ibli\u017euje ji\u017e jen sluch. To je tak\u00e9 d\u016fvod, pro\u010d m\u00e1me k\u00a0dispozici tolik druh\u016f br\u00fdl\u00ed, zat\u00edmco \u017e\u00e1dn\u00e9 za\u0159\u00edzen\u00ed, kter\u00e9 by podobn\u00fdm zp\u016fsobem upravovalo hmat, chu\u0165 \u010di \u010dich neexistuje. \u00a0 Jednou ze schopnost\u00ed na\u0161ich o\u010d\u00ed je i mo\u017enost vid\u011bt barvy. To pova\u017eujeme za samoz\u0159ejmost, a barvoslepost je...","datePublished":"2022-03-24","dateModified":"2022-03-24","author":{"@type":"Person","@id":"https:\/\/czechmademan.cz\/author\/#Person","name":"","url":"https:\/\/czechmademan.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/c065076eb86551fdb70725c8063acf1b60a8edaed14ed654228c4cba13121c83?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/c065076eb86551fdb70725c8063acf1b60a8edaed14ed654228c4cba13121c83?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"czechmademan.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/czechmademan.cz\/wp-content\/uploads\/barvy1.jpg","url":"https:\/\/czechmademan.cz\/wp-content\/uploads\/barvy1.jpg","height":0,"width":0},"url":"https:\/\/czechmademan.cz\/jak-vidime-barvy\/","about":["V\u011bda"],"wordCount":427,"articleBody":"Pro \u010dlov\u011bka je zrak jedn\u00edm z\u00a0nejd\u016fle\u017eit\u011bj\u0161\u00edch smysl\u016f. V\u00a0d\u016fle\u017eitosti se mu p\u0159ibli\u017euje ji\u017e jen sluch. To je tak\u00e9 d\u016fvod, pro\u010d m\u00e1me k\u00a0dispozici tolik druh\u016f br\u00fdl\u00ed, zat\u00edmco \u017e\u00e1dn\u00e9 za\u0159\u00edzen\u00ed, kter\u00e9 by podobn\u00fdm zp\u016fsobem upravovalo hmat, chu\u0165 \u010di \u010dich neexistuje.\u00a0Jednou ze schopnost\u00ed na\u0161ich o\u010d\u00ed je i mo\u017enost vid\u011bt barvy. To pova\u017eujeme za samoz\u0159ejmost, a barvoslepost je mnohdy posuzov\u00e1na jako vada. Koneckonc\u016f na principu barev funguj\u00ed nap\u0159\u00edklad i semafory, ur\u010dit\u00e9 barvy m\u00e1me zase asociov\u00e1ny s\u00a0dan\u00fdmi podn\u011bty \u2013 p\u0159\u00edkladem m\u016f\u017ee b\u00fdt \u010derven\u00e1, kter\u00e1 obvykle znamen\u00e1 STOP \u010di z\u00e1kaz, a zelen\u00e1, kter\u00e1 zna\u010d\u00ed \u201evolno\u201c \u010di \u201eotev\u0159eno\u201c.\u00a0\u00a0Kdy\u017e tedy vezmeme v\u00a0\u00favahu d\u016fle\u017eitost barev, je zaj\u00edmav\u00e9, jak m\u00e1lo lid\u00ed p\u0159em\u00fd\u0161l\u00ed o tom, jak vlastn\u011b vznikaj\u00ed a jak je vn\u00edm\u00e1me. Cel\u00fd proces je toti\u017e mnohem zaj\u00edmav\u011bj\u0161\u00ed, ne\u017e by se na prvn\u00ed pohled zd\u00e1lo. Rozhodn\u011b toti\u017e nen\u00ed tak jednoduch\u00fd, jak vypad\u00e1.\u00a0V\u00a0prvn\u00ed \u0159ad\u011b si mus\u00edme vysv\u011btlit, jak vlastn\u011b funguje vid\u011bn\u00ed. I to je toti\u017e komplikovan\u011bj\u0161\u00ed. Ve zkratce jde o to, \u017ee se sv\u011btlo (produkovan\u00e9 obvykle Sluncem, m\u016f\u017ee b\u00fdt ale i um\u011bl\u00e9) odr\u00e1\u017e\u00ed od p\u0159edm\u011bt\u016f. Tyto odra\u017een\u00e9 (nebo i p\u0159\u00edm\u00e9, pokud se pod\u00edv\u00e1me do sv\u011bteln\u00e9ho zdroje \u2013 co\u017e se rozhodn\u011b nedoporu\u010duje) paprsky pak na\u0161e o\u010di zachyt\u00e1vaj\u00ed a mozek je zpracuje v\u00a0obraz.\u00a0\u00a0Co se barev t\u00fd\u010de, pak mus\u00edme porozum\u011bt, \u017ee ka\u017ed\u00e1 z\u00a0nich m\u00e1 svou vlastn\u00ed vlnovou d\u00e9lku. A ka\u017ed\u00fd materi\u00e1l odr\u00e1\u017e\u00ed jinou jej\u00ed \u010d\u00e1st. Pokud tedy p\u0159edm\u011bt pohlcuje v\u0161echny vlnov\u00e9 d\u00e9lky krom\u011b modr\u00e9, kterou odr\u00e1\u017e\u00ed, bude se n\u00e1m jevit jako modr\u00fd.\u00a0Je jasn\u00e9, \u017ee podobn\u00e9 materi\u00e1ly odr\u00e1\u017e\u00ed podobnou vlnovou d\u00e9lku. Proto se nap\u0159\u00edklad ve\u0161ker\u00e9 d\u0159evo jev\u00ed jako hn\u011bd\u00e9. Nabarven\u00ed pak ned\u011bl\u00e1 nic jin\u00e9ho, ne\u017e \u017ee pokryje dan\u00fd p\u0159edm\u011bt vrstvou, kter\u00e1 odr\u00e1\u017e\u00ed jinou vlnovou d\u00e9lku, ne\u017e jakou odr\u00e1\u017e\u00ed p\u0159edm\u011bt samotn\u00fd.\u00a0Zaj\u00edmav\u00e9 je, \u017ee pr\u00e1v\u011b d\u00edky tomu je v\u00a0podstat\u011b nemo\u017en\u00e9 \u0159\u00edci, zda lid\u00e9 vid\u00ed barvy skute\u010dn\u011b stejn\u011b, i kdy\u017e je pravd\u011bpodobn\u00e9, \u017ee ano. To n\u00e1m koneckonc\u016f potvrzuj\u00ed i testy barvosleposti. Je v\u0161ak mo\u017en\u00e9, \u017ee n\u011bkte\u0159\u00ed mohou m\u00edt jin\u00e9 barevn\u00e9 vid\u011bn\u00ed. T\u011bchto p\u0159\u00edpad\u016f v\u0161ak bude jen skute\u010dn\u00e9 minimum.                                                                                                                                                                                                                                                                                                                                                                                                "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Jak vid\u00edme barvy","item":"https:\/\/czechmademan.cz\/jak-vidime-barvy\/#breadcrumbitem"}]}]