{"id":74947,"date":"2025-03-26T00:15:28","date_gmt":"2025-03-25T23:15:28","guid":{"rendered":"https:\/\/www.infokuryr.cz\/n\/?p=74947"},"modified":"2025-03-25T11:10:39","modified_gmt":"2025-03-25T10:10:39","slug":"laserovy-prenos-dat-dalsi-velka-vec-ale-za-jakou-cenu-pro-zdravi","status":"publish","type":"post","link":"https:\/\/www.infokuryr.cz\/n\/2025\/03\/26\/laserovy-prenos-dat-dalsi-velka-vec-ale-za-jakou-cenu-pro-zdravi\/","title":{"rendered":"Laserov\u00fd p\u0159enos dat \u2013 dal\u0161\u00ed velk\u00e1 v\u011bc, ale za jakou cenu pro zdrav\u00ed?"},"content":{"rendered":"<div id=\"fb-root\"><\/div>\n<div class=\"elementor-element elementor-element-1fb4c2c elementor-widget elementor-widget-theme-post-content\" data-id=\"1fb4c2c\" data-element_type=\"widget\" data-widget_type=\"theme-post-content.default\">\n<div class=\"elementor-widget-container\">\n<p><span>Mate\u0159sk\u00e1 spole\u010dnost Google,\u00a0<\/span><strong><span>Alphabet<\/span><\/strong><span>\u00a0, ozn\u00e1mila, \u017ee\u00a0vy\u010dlen\u00ed svou\u00a0<strong>X.<\/strong>ze sv\u00e9ho experiment\u00e1ln\u00edho centra<\/span><strong><span>laserovou internetovou spole\u010dnost Taara\u00a0<\/span><\/strong><span><strong>projektu Loon<\/strong>\u00a0, kter\u00fd byl ukon\u010den v roce 2021. Laserov\u00e1 technologie byla nyn\u00ed d\u00e1le vyvinuta pro p\u0159enos\u00a0<strong>dat rychlost\u00ed 20 gigabit\u016f za sekundu na vzd\u00e1lenosti a\u017e 20 kilometr\u016f<\/strong>\u00a0pomoc\u00ed sv\u011bteln\u00fdch paprsk\u016f.<\/span><\/p>\n<p><span>Tato nov\u00e1 technologie je\u00a0oslavov\u00e1na jako v\u00fdznamn\u00fd pokrok kv\u016fli jej\u00ed\u00a0<\/span><strong><span>\u00fa\u010dinnosti a spolehlivosti \u2013 ale\u00a0<\/span><\/strong><strong><span>jak\u00fd dopad by mohla m\u00edt na \u017eivot na Zemi?<\/span><\/strong><\/p>\n<p><span>Navzdory potenci\u00e1ln\u00edm rizik\u016fm\u00a0<\/span><strong><span>se nezd\u00e1, \u017ee by to nikoho zaj\u00edmalo natolik, aby si tuto ot\u00e1zku polo\u017eil<\/span><\/strong><span>\u00a0.<\/span><\/p>\n<h2 class=\"wp-block-heading\"><strong><span>My\u0161lenka Taary \u2013 sout\u011b\u017e pro Starlink<\/span><\/strong><\/h2>\n<p><span>Alphabet chce Taaru vyu\u017e\u00edt k poskytov\u00e1n\u00ed \u0161irokop\u00e1smov\u00e9ho internetu ve venkovsk\u00fdch oblastech a\u00a0<\/span><strong><span>konkurovat satelitn\u00ed internetov\u00e9 slu\u017eb\u011b Elona Muska Starlink<\/span><\/strong><span>\u00a0.<\/span><\/p>\n<p><span>P\u016fvodn\u00ed koncept Taary vyrostl z projektu\u00a0<\/span><strong><span>Loon<\/span><\/strong><span>\u00a0, jeho\u017e c\u00edlem bylo\u00a0<\/span><strong><span>poskytovat telefonn\u00ed a internetov\u00e9 slu\u017eby prost\u0159ednictv\u00edm paprsk\u016f sv\u011btla mezi tis\u00edci bal\u00f3n\u016f pluj\u00edc\u00edch ve stratosf\u00e9\u0159e<\/span><\/strong><span>\u00a0. Kv\u016fli regula\u010dn\u00edm p\u0159ek\u00e1\u017ek\u00e1m a technick\u00fdm pot\u00ed\u017e\u00edm byl v\u0161ak projekt Loon\u00a0<\/span><strong><span>v roce 2021 ukon\u010den<\/span><\/strong><span>\u00a0.<\/span><\/p>\n<p><span>Nyn\u00ed v\u0161ak lasery spole\u010dnosti\u00a0na\u0161ly novou funkci\u00a0<\/span><strong><span>pod veden\u00edm in\u017een\u00fdra a gener\u00e1ln\u00edho \u0159editele Maheshe Krishnaswamyho .<\/span><\/strong><\/p>\n<p><span>Podle zpr\u00e1vy\u00a0<\/span><strong><span>Financial Times<\/span><\/strong><span>\u00a0nab\u00edz\u00ed laserov\u00e1 technologie Taara u\u017eivatel\u016fm\u00a0<\/span><strong><span>10 a\u017e 100kr\u00e1t v\u011bt\u0161\u00ed \u0161\u00ed\u0159ku p\u00e1sma ne\u017e typick\u00e1 ant\u00e9na Starlink<\/span><\/strong><span>\u00a0\u2014\u00a0<\/span><strong><span>za zlomek ceny<\/span><\/strong><span>\u00a0.<\/span><\/p>\n<p><span>Tato technologie by mohla\u00a0b\u00fdt\u00a0<\/span><strong><span>n\u00e1kladov\u011b efektivn\u00ed alternativou pro\u00a0<\/span><\/strong><strong><span>p\u0159ipojen\u00ed venkovsk\u00fdch oblast\u00ed k internetu<\/span><\/strong><span>\u00a0.<\/span><\/p>\n<h2 class=\"wp-block-heading\"><strong><span>Jak funguje laserov\u00e1 technologie?<\/span><\/strong><\/h2>\n<p><span>Taara vyu\u017e\u00edv\u00e1\u00a0<\/span><strong><span>paprsek sv\u011btla o \u0161\u00ed\u0159ce tu\u017eky<\/span><\/strong><span>\u00a0, kter\u00fd je vyst\u0159elen z vys\u00edlac\u00ed jednotky do p\u0159ij\u00edmac\u00ed jednotky.<\/span><\/p>\n<p><span>Syst\u00e9m\u00a0<\/span><strong><span>senzor\u016f, optiky a zrcadel<\/span><\/strong><span>\u00a0umo\u017e\u0148uje\u00a0<\/span><strong><span>p\u0159en\u00e1\u0161et data rychlost\u00ed 20 gigabit\u016f za sekundu na vzd\u00e1lenost 20 km<\/span><\/strong><span>\u00a0.<\/span><\/p>\n<p><span>T\u00edmto zp\u016fsobem\u00a0<\/span><strong><span>lze konven\u010dn\u00ed optick\u00e9 s\u00edt\u011b roz\u0161\u00ed\u0159it s minim\u00e1ln\u00edm stavebn\u00edm \u00fasil\u00edm a ni\u017e\u0161\u00edmi n\u00e1klady<\/span><\/strong><span>\u00a0.<\/span><\/p>\n<p><span>Podle studie\u00a0<\/span><strong><span>ResearchGate (b\u0159ezen 2025)<\/span><\/strong><span>\u00a0se tato technologie ji\u017e pou\u017e\u00edv\u00e1 ve\u00a0<\/span><strong><span>12 zem\u00edch<\/span><\/strong><span>\u00a0, v\u010detn\u011b\u00a0<\/span><strong><span>Indie a \u010d\u00e1st\u00ed Afriky<\/span><\/strong><span>\u00a0.<\/span><\/p>\n<p><span>P\u0159\u00edklad jejich vystoupen\u00ed:<\/span><\/p>\n<ul>\n<li><span>Bylo z\u0159\u00edzeno\u00a05\u00a0<\/span><strong><span>km dlouh\u00e9 laserov\u00e9 spojen\u00ed p\u0159es \u0159eku Kongo .<\/span><\/strong><\/li>\n<li><span>M\u016f\u017ee doplnit\u00a0<\/span><strong><span>p\u0159et\u00ed\u017een\u00e9 mobiln\u00ed s\u00edt\u011b na velk\u00fdch akc\u00edch, jako je festival Coachella<\/span><\/strong><span>\u00a0v Kalifornii.<\/span><\/li>\n<\/ul>\n<p><span>Krishnaswamy pl\u00e1nuje dal\u0161\u00ed f\u00e1zi v\u00fdvoje jako\u00a0<\/span><strong><span>mal\u00fd k\u0159em\u00edkov\u00fd fotonick\u00fd \u010dip<\/span><\/strong><span>\u00a0, kter\u00fd\u00a0<\/span><strong><span>by nahradil n\u011bkolik zrcadel a \u010do\u010dek<\/span><\/strong><span>\u00a0a\u00a0<\/span><strong><span>umo\u017enil v\u00edce p\u0159ipojen\u00ed z jednoho vys\u00edla\u010de<\/span><\/strong><span>\u00a0.<\/span><\/p>\n<p><span>Tento \u010dip by mohl dokonce\u00a0<\/span><strong><span>nahradit r\u00e1diov\u00e9 Wi-Fi s\u00edt\u011b v kancel\u00e1\u0159\u00edch<\/span><\/strong><span>\u00a0.<\/span><\/p>\n<h2 class=\"wp-block-heading\"><strong><span>M\u016f\u017ee Taara konkurovat Starlinku?<\/span><\/strong><\/h2>\n<p><span>P\u0159esto\u017ee je Taara st\u00e1le v\u00a0<\/span><strong><span>ran\u00fdch f\u00e1z\u00edch sv\u00e9ho v\u00fdvoje<\/span><\/strong><span>\u00a0, mohla by se st\u00e1t v\u00e1\u017enou konkurenc\u00ed pro Starlink spole\u010dnosti\u00a0<\/span><strong><span>SpaceX<\/span><\/strong><span>\u00a0.<\/span><\/p>\n<ul>\n<li><strong><span>Do roku 2024 m\u011bl Starlink 4,7 milionu p\u0159edplatitel\u016f<\/span><\/strong><span>\u00a0a vygeneroval p\u0159\u00edjmy ve v\u00fd\u0161i\u00a0<\/span><strong><span>9,3 miliardy $<\/span><\/strong><span>\u00a0.<\/span><\/li>\n<li><span>Taara spolupracuje s\u00a0<\/span><strong><span>velk\u00fdmi telekomunika\u010dn\u00edmi spole\u010dnostmi<\/span><\/strong><span>\u00a0na roz\u0161\u00ed\u0159en\u00ed jejich\u00a0<\/span><strong><span>optick\u00fdch s\u00edt\u00ed do vzd\u00e1len\u00fdch nebo hust\u00fdch m\u011bstsk\u00fdch oblast\u00ed<\/span><\/strong><span>\u00a0.<\/span><\/li>\n<\/ul>\n<p><span>Podle\u00a0<\/span><strong><span>Erica &#8222;Astro&#8220; Tellera<\/span><\/strong><span>\u00a0, vedouc\u00edho\u00a0<\/span><strong><span>program\u016f Moonshot spole\u010dnosti X<\/span><\/strong><span>\u00a0, a Maheshe Krishnaswamyho m\u00e1 Taara\u00a0<\/span><strong><span>oproti Starlinku n\u011bkolik technologick\u00fdch v\u00fdhod<\/span><\/strong><span>\u00a0:<\/span><\/p>\n<ol>\n<li><strong><span>P\u0159enos dat zalo\u017een\u00fd na laseru<\/span><\/strong><span>\u00a0se m\u016f\u017ee\u00a0<\/span><strong><span>k\u0159\u00ed\u017eit bez ru\u0161en\u00ed<\/span><\/strong><span>\u00a0.<\/span><\/li>\n<li><span>Nevy\u017eaduje\u00a0<\/span><strong><span>politicky regulovan\u00e9 aukce frekvenc\u00ed<\/span><\/strong><span>\u00a0, jako je tomu v p\u0159\u00edpad\u011b\u00a0<\/span><strong><span>r\u00e1diov\u00e9ho spektra<\/span><\/strong><span>\u00a0.<\/span><\/li>\n<\/ol>\n<p><span>Teller v\u011b\u0159\u00ed, \u017ee\u00a0<\/span><strong><span>tradi\u010dn\u00ed r\u00e1diov\u00e9 frekvence<\/span><\/strong><span>\u00a0brzy p\u0159estanou sta\u010dit.<\/span><\/p>\n<p><strong><span>P\u0159enos dat prost\u0159ednictv\u00edm sv\u011btla<\/span><\/strong><span>\u00a0by se proto mohl\u00a0etablovat jako technologie budoucnosti.<\/span><\/p>\n<h2 class=\"wp-block-heading\"><strong><span>Jak\u00e1 jsou ale zdravotn\u00ed rizika?<\/span><\/strong><\/h2>\n<p><strong><span>Jedna z\u00e1sadn\u00ed ot\u00e1zka z\u016fst\u00e1v\u00e1 nezodpov\u011bzena:<\/span><\/strong><\/p>\n<p><strong><span>Jak\u00e9 \u00fa\u010dinky maj\u00ed tis\u00edce laser\u016f na lidi, zv\u00ed\u0159ata, rostliny a \u017eivotn\u00ed prost\u0159ed\u00ed?<\/span><\/strong><\/p>\n<p><strong><span>Rizika laserov\u00fdch paprsk\u016f jsou dob\u0159e zdokumentov\u00e1na:<\/span><\/strong><\/p>\n<ul>\n<li><strong><span>Tepeln\u00e9 \u00fa\u010dinky<\/span><\/strong><span>\u00a0: Kdy\u017e je laserov\u00e1 energie absorbov\u00e1na tk\u00e1n\u00ed, m\u016f\u017ee\u00a0<\/span><strong><span>zv\u00fd\u0161it teplotu v tk\u00e1ni<\/span><\/strong><span>\u00a0.<\/span><\/li>\n<li><strong><span>Akustick\u00e9 efekty<\/span><\/strong><span>\u00a0: Lasery mohou ve tk\u00e1ni\u00a0vyvolat\u00a0<\/span><strong><span>mechanick\u00e9 r\u00e1zov\u00e9 vlny , kter\u00e9 zp\u016fsobuj\u00ed\u00a0<\/span><\/strong><strong><span>po\u0161kozen\u00ed nebo odpa\u0159ov\u00e1n\u00ed<\/span><\/strong><span>\u00a0.<\/span><\/li>\n<li><strong><span>Fotochemick\u00e9 \u00fa\u010dinky<\/span><\/strong><span>\u00a0: Kdy\u017e fotony interaguj\u00ed s tk\u00e1n\u00ed, mohou\u00a0<\/span><strong><span>zm\u011bnit bun\u011b\u010dnou chemii<\/span><\/strong><span>\u00a0a potenci\u00e1ln\u011b\u00a0zp\u016fsobit\u00a0<\/span><strong><span>po\u0161kozen\u00ed nebo genetick\u00e9 mutace .<\/span><\/strong><\/li>\n<\/ul>\n<h3 class=\"wp-block-heading\"><strong><span>Zdravotn\u00ed rizika laserov\u00e9ho z\u00e1\u0159en\u00ed<\/span><\/strong><\/h3>\n<p><span>Expozice laserem m\u016f\u017ee v\u00e9st k:<\/span><\/p>\n<ul>\n<li><strong><span>zp\u016fsobit po\u0161kozen\u00ed o\u010d\u00ed<\/span><\/strong><span>\u00a0(nap\u0159. pop\u00e1leniny s\u00edtnice, \u0161ed\u00fd z\u00e1kal).<\/span><\/li>\n<li><strong><span>Zp\u016fsobit po\u0161kozen\u00ed k\u016f\u017ee<\/span><\/strong><span>\u00a0(nap\u0159. pop\u00e1leniny, zm\u011bny pigmentu).<\/span><\/li>\n<li><strong><span>P\u0159isp\u00edvaj\u00ed k dlouhodob\u00e9mu po\u0161kozen\u00ed tk\u00e1n\u00ed<\/span><\/strong><span>\u00a0po opakovan\u00e9 expozici.<\/span><\/li>\n<\/ul>\n<p><span>Z\u00e1va\u017enost zran\u011bn\u00ed z\u00e1vis\u00ed na n\u011bkolika faktorech:<\/span><\/p>\n<ul>\n<li><strong><span>Doba expozice<\/span><\/strong><\/li>\n<li><strong><span>Vlnov\u00e1 d\u00e9lka laseru<\/span><\/strong><\/li>\n<li><strong><span>Energie paprsku<\/span><\/strong><\/li>\n<li><strong><span>Typ a oblast posti\u017een\u00e9 tk\u00e1n\u011b<\/span><\/strong><\/li>\n<\/ul>\n<p><span>Ale to nen\u00ed v\u0161e.<\/span><\/p>\n<p><strong><span>Lasery mohou tak\u00e9 p\u0159edstavovat nep\u0159\u00edm\u00e1 nebezpe\u010d\u00ed<\/span><\/strong><span>\u00a0, v\u010detn\u011b:<\/span><\/p>\n<ul>\n<li><strong><span>Elektrick\u00e1 a chemick\u00e1 nebezpe\u010d\u00ed<\/span><\/strong><span>\u00a0, kter\u00e1 mohou zp\u016fsobit\u00a0<\/span><strong><span>v\u00e1\u017en\u00e9 zran\u011bn\u00ed nebo dokonce smrt<\/span><\/strong><span>\u00a0.<\/span><\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\"><strong><span>Z\u00e1v\u011br: Pokrok nebo hrozba?<\/span><\/strong><\/h2>\n<p><span>Zat\u00edmco\u00a0<\/span><strong><span>laserov\u00e1 technologie Taara je oslavov\u00e1na jako revolu\u010dn\u00ed<\/span><\/strong><span>\u00a0, neexistuje\u00a0<\/span><strong><span>\u017e\u00e1dn\u00e1 komplexn\u00ed diskuse o jej\u00edch potenci\u00e1ln\u00edch rizic\u00edch<\/span><\/strong><span>\u00a0.<\/span><\/p>\n<p><span>Dopady\u00a0tis\u00edc\u016f laser\u016f\u00a0<strong>nep\u0159etr\u017eit\u011b p\u0159en\u00e1\u0161ej\u00edc\u00edch data\u00a0<\/strong><\/span><strong><span>na zdrav\u00ed a \u017eivotn\u00ed prost\u0159ed\u00ed\u00a0<\/span><\/strong><span><strong>nebyly<\/strong>\u00a0d\u016fkladn\u011b prozkoum\u00e1ny\u00a0.<\/span><\/p>\n<\/div>\n<\/div>\n<div class=\"elementor-element elementor-element-8c57238 quelle dc-has-condition dc-condition-empty elementor-widget elementor-widget-heading\" data-id=\"8c57238\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n<div class=\"elementor-widget-container\">\n<h3 class=\"elementor-heading-title elementor-size-default\"><span style=\"font-size: 10pt;\"><a href=\"https:\/\/expose-news.com\/2025\/03\/17\/transmitting-data-by-laser\/\" target=\"_blank\" rel=\"nofollow noopener\">Zdroj<\/a><\/span><\/h3>\n<p>&nbsp;<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Mate\u0159sk\u00e1 spole\u010dnost Google,\u00a0Alphabet\u00a0, ozn\u00e1mila, \u017ee\u00a0vy\u010dlen\u00ed svou\u00a0X.ze sv\u00e9ho experiment\u00e1ln\u00edho centralaserovou internetovou spole\u010dnost Taara\u00a0projektu Loon\u00a0, kter\u00fd byl&#8230;<\/p>\n","protected":false},"author":2,"featured_media":74948,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[7],"tags":[5656,8764,1968,21],"_links":{"self":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/74947"}],"collection":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/comments?post=74947"}],"version-history":[{"count":1,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/74947\/revisions"}],"predecessor-version":[{"id":74949,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/74947\/revisions\/74949"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media\/74948"}],"wp:attachment":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media?parent=74947"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/categories?post=74947"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/tags?post=74947"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}