{"id":493,"date":"2014-11-04T08:58:00","date_gmt":"2014-11-04T07:58:00","guid":{"rendered":"https:\/\/kids.esa.int\/eye-catching_space_technology_restoring_sight\/"},"modified":"2026-10-08T00:28:50","modified_gmt":"2026-10-07T22:28:50","slug":"eye-catching_space_technology_restoring_sight","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/cs\/eye-catching_space_technology_restoring_sight\/","title":{"rendered":"Poutav\u00e1 vesm\u00edrn\u00e1 technologie, kter\u00e1 vrac\u00ed zrak"},"content":{"rendered":"<div class=\"lede\">\n<p>Miliony lid\u00ed po cel\u00e9m sv\u011bt\u011b podstoupily laserovou operaci k n\u00e1prav\u011b zraku, ale v\u011bd\u011bli jste, \u017ee tato operace je mo\u017en\u00e1 pouze d\u00edky technologii vyvinut\u00e9 pro pou\u017eit\u00ed ve vesm\u00edru?<\/p>\n<\/div>\n<p>Pokud se p\u0159i nakl\u00e1n\u011bn\u00ed nebo k\u00fdv\u00e1n\u00ed hlavou d\u00edv\u00e1te na pevn\u00fd bod, va\u0161e o\u010di se automaticky udr\u017euj\u00ed v klidu, co\u017e v\u00e1m umo\u017e\u0148uje jasn\u011b vid\u011bt i p\u0159i pohybu. Tuto schopnost m\u00e1 v\u011bt\u0161ina druh\u016f na Zemi, a to u\u017e od dob dinosaur\u016f. Je to \u00fa\u017easn\u00fd trik p\u0159\u00edrody, nad kter\u00fdm ani nep\u0159em\u00fd\u0161l\u00edme.<\/p>\n<p>V pozad\u00ed v\u00e1\u0161 mozek neust\u00e1le p\u0159ij\u00edm\u00e1 sign\u00e1ly z vnit\u0159n\u00edho ucha. Tyto sign\u00e1ly v\u00e1m sd\u011bluj\u00ed, kter\u00fd sm\u011br je kter\u00fd, a pom\u00e1haj\u00ed v\u00e1m udr\u017eovat rovnov\u00e1hu a stabiln\u00ed zrak. To je mo\u017en\u00e9 d\u00edky gravitaci, kter\u00e1 n\u00e1m ud\u00e1v\u00e1, kde je dole.<\/p>\n<p>Jak se ale astronauti vyrovn\u00e1vaj\u00ed s \u017eivotem ve vesm\u00edru, kde neplat\u00ed gravitace? Jak se jim da\u0159\u00ed zaost\u0159it zrak na obrazovku po\u010d\u00edta\u010de, kdy\u017e se vzn\u00e1\u0161ej\u00ed na Mezin\u00e1rodn\u00ed vesm\u00edrn\u00e9 stanici?<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"1024\" data-credit=\"ESA\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2014\/11\/Tracking_device\" data-licence=\"ESA Standard Licence\" data-licence-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Terms_and_conditions_of_use_of_images_and_videos_available_on_the_esa_website\"><img decoding=\"async\" loading=\"lazy\" style=\"max-width:100%;height:auto\" src=\"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2014\/11\/tracking_device\/17895683-2-eng-GB\/Tracking_device.jpg\" alt=\"\"><\/figure>\n<p>Aby tento jev prozkoumali, vytvo\u0159ili v\u011bdci speci\u00e1ln\u00ed p\u0159\u00edstroj, kter\u00fd m\u011b\u0159\u00ed pohyby o\u010d\u00ed astronaut\u016f, ani\u017e by jim p\u0159ek\u00e1\u017eel. Tento p\u0159\u00edstroj se naz\u00fdv\u00e1 Eye Tracking Device. Jedn\u00e1 se v podstat\u011b o helmu s kamerou, kter\u00e1 po\u0159izuje sn\u00edmky o\u010d\u00ed astronaut\u016f a zaznamen\u00e1v\u00e1, kam se d\u00edvaj\u00ed.<\/p>\n<p>Zp\u00e1tky na Zemi poskytlo pr\u00e1v\u011b toto za\u0159\u00edzen\u00ed pro sledov\u00e1n\u00ed pohybu o\u010d\u00ed l\u00e9ka\u0159\u016fm mo\u017enost prov\u00e1d\u011bt precizn\u00ed laserov\u00e9 operace o\u010d\u00ed, kter\u00e9 zlep\u0161ily \u017eivot milion\u016fm lid\u00ed!<\/p>\n<p><b>Zaj\u00edmavost:<\/b> Kosmick\u00e1 technologie ovliv\u0148uje n\u00e1\u0161 ka\u017edodenn\u00ed \u017eivot nespo\u010dtem zp\u016fsob\u016f. N\u011bkter\u00e9 z nich jsou v\u00fdznamn\u00e9, jako nap\u0159\u00edklad mo\u017enost p\u0159en\u00e1\u0161et informace po cel\u00e9m sv\u011bt\u011b b\u011bhem n\u011bkolika sekund nebo v\u00fdvoj um\u011bl\u00fdch kon\u010detin. Jin\u00e9 jsou m\u00e9n\u011b n\u00e1padn\u00e9, jako nap\u0159\u00edklad pohodln\u00e9 vlo\u017eky do bot a matrace z pam\u011b\u0165ov\u00e9 p\u011bny.<\/p>","protected":false},"excerpt":{"rendered":"<p>Millions of people around the world have had laser surgery to correct their eyesight, but did you know this surgery is only possible thanks to technology developed for use in [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"esa_banner_image":"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2014\/11\/human_eye2\/17874038-2-eng-GB\/Human_eye.jpg","esa_banner_description":"","esa_banner_credit":"ESA","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2014\/11\/Human_eye2","esa_external_url":"","esa_external_new_window":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":true},"categories":[26],"tags":[],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-493","post","type-post","status-publish","format-standard","hentry","category-news"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/posts\/493","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/comments?post=493"}],"version-history":[{"count":4,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/posts\/493\/revisions"}],"predecessor-version":[{"id":4514,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/posts\/493\/revisions\/4514"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/media?parent=493"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/categories?post=493"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/tags?post=493"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/panel?post=493"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/language?post=493"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/age?post=493"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/duration?post=493"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/resource_type?post=493"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/audience?post=493"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/wf_post_folders?post=493"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}