{"id":63098,"date":"2023-10-05T13:27:00","date_gmt":"2023-10-05T11:27:00","guid":{"rendered":"https:\/\/nano.komputronik.pl\/?p=63098"},"modified":"2025-03-21T09:05:10","modified_gmt":"2025-03-21T08:05:10","slug":"predkosc-swiatla-ile-wynosi-ciekawostki-o-predkosci-swiatla","status":"publish","type":"post","link":"https:\/\/nano.komputronik.pl\/n\/predkosc-swiatla-fakty-mity-ciekawostki\/","title":{"rendered":"Pr\u0119dko\u015b\u0107 \u015bwiat\u0142a \u2014 ile wynosi? Ciekawostki o pr\u0119dko\u015bci \u015bwiat\u0142a"},"content":{"rendered":"<style>\/* Text Elements *\/\np {\n  margin: 0 0 2.7rem;\n}\n\np:last-child {\n  margin: 0;\n}\n\np.is-style-uppercase {\n  text-transform: uppercase;\n}\n\np.is-style-preheading {\n  color: #0072BC;\n  text-transform: uppercase;\n}\n\np.is-style-leadparagraph {\n  font-size: 1.8rem;\n  font-weight: 700;\n  line-height: 1.44444444;\n}\n<\/style>\n<p>Pr\u0119dko\u015b\u0107 \u015bwiat\u0142a w pr\u00f3\u017cni jest sta\u0142\u0105 fizyczn\u0105 i nie zale\u017cy od \u017cadnych czynnik\u00f3w zewn\u0119trznych. Ile wynosi? Od czego zale\u017cy to, jaka jest pr\u0119dko\u015b\u0107 \u015bwiat\u0142a? Czy da si\u0119 osi\u0105gn\u0105\u0107 pr\u0119dko\u015b\u0107 wi\u0119ksz\u0105 od pr\u0119dko\u015bci \u015bwiat\u0142a? Odpowiadamy na te pytania w dzisiejszym artykule.<\/p>\n\n\n<style>.page-content ul:not([class]),\n.acf-block ul:not([class]),\n.editor-rich-text ul,\nol {\n  margin: 0 0 2.4rem;\n}\n\n.page-content ul:not([class]) ul, .page-content ul:not([class]) ol,\n.acf-block ul:not([class]) ul,\n.acf-block ul:not([class]) ol,\n.editor-rich-text ul ul,\n.editor-rich-text ul ol,\nol ul,\nol ol {\n  margin: 0;\n}\n<\/style>\n<ul class=\"wp-block-list\">\n<li><a href=\"#predkosc-swiatla\">Ile wynosi pr\u0119dko\u015b\u0107 \u015bwiat\u0142a?<\/a><\/li>\n\n\n\n<li><a href=\"#predkosc-swiatla-zaleznosci\">Od czego zale\u017cy pr\u0119dko\u015b\u0107 \u015bwiat\u0142a?<\/a><\/li>\n\n\n\n<li><a href=\"#najwyzsza-predkosc\">Czy istnieje pr\u0119dko\u015b\u0107 wi\u0119ksza od pr\u0119dko\u015bci \u015bwiat\u0142a?<\/a><\/li>\n\n\n\n<li><a href=\"#historia-badan\">Historia badania pr\u0119dko\u015bci \u015bwiat\u0142a<\/a><\/li>\n\n\n\n<li><a href=\"#swiatlowod\">Czy \u015bwiat\u0142ow\u00f3d ma pr\u0119dko\u015b\u0107 \u015bwiat\u0142a?<\/a><\/li>\n\n\n\n<li><a href=\"#swiatlo-przesylanie-danych\">Przesy\u0142anie danych za pomoc\u0105 \u015bwiat\u0142a<\/a><\/li>\n<\/ul>\n\n\n<section id=\"block_0257b8d83cf5e91249e2115a66aa626c\" class=\"article-cta\">\n\t<style>.article-cta {\n  margin-bottom: 3rem;\n}\n\n.article-cta__wr {\n  padding: 1.5rem;\n  position: relative;\n  font-weight: 600;\n  background-color: #F4F4F4;\n  overflow: hidden;\n}\n\n@media (min-width: 768px) {\n  .article-cta__wr {\n    padding: 2rem 2rem 2rem 4rem;\n  }\n}\n\n.article-cta__title {\n  display: block;\n  color: #000000;\n  font-size: 1.2rem;\n  line-height: 1.25;\n}\n\n@media screen and (min-width: 1200px) {\n  .article-cta__title {\n    font-size: 1.6rem;\n  }\n}\n\n.article-cta__bg {\n  position: absolute;\n  top: 0;\n  right: 0;\n  bottom: 0;\n}\n\n.article-cta__bg img {\n  width: auto;\n  max-height: 10rem;\n}\n\n@media (max-width: 768px) {\n  .article-cta__bg img {\n    min-height: 100%;\n    position: relative;\n    left: 70%;\n    transform: translateX(-50%);\n    object-fit: cover;\n  }\n}\n\n.article-cta__article-title {\n  display: block;\n  margin-top: 0.5rem;\n  font-weight: 700 !important;\n  font-size: 1.2rem;\n  line-height: 1.46666667;\n}\n\n@media screen and (min-width: 1200px) {\n  .article-cta__article-title {\n    font-size: 1.5rem;\n  }\n}\n\n.article-cta__dot {\n  padding-right: 1rem;\n}\n\n.article-cta__dot svg {\n  position: relative;\n  margin-top: -2px;\n}\n\n.article-cta a {\n  text-decoration: underline;\n}\n\n.article-cta a:hover {\n  text-decoration: none;\n}\n<\/style>\t<style>.tns-outer{padding:0 !important}.tns-outer [hidden]{display:none !important}.tns-outer [aria-controls],.tns-outer [data-action]{cursor:pointer}.tns-slider{display:block;-webkit-transition:all 0s;-moz-transition:all 0s;transition:all 0s}.tns-slider>.tns-item{-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box}.tns-horizontal.tns-subpixel{white-space:nowrap}.tns-horizontal.tns-subpixel>.tns-item{display:inline-block;vertical-align:top;white-space:normal}.tns-horizontal.tns-no-subpixel:after{content:'';display:table;clear:both}.tns-horizontal.tns-no-subpixel>.tns-item{float:left}.tns-horizontal.tns-carousel.tns-no-subpixel>.tns-item{margin-right:-100%}.tns-no-calc{position:relative;left:0}.tns-gallery{position:relative;left:0;min-height:1px}.tns-gallery>.tns-item{position:absolute;left:-100%;-webkit-transition:transform 0s, opacity 0s;-moz-transition:transform 0s, opacity 0s;transition:transform 0s, opacity 0s}.tns-gallery>.tns-slide-active{position:relative;left:auto !important}.tns-gallery>.tns-moving{-webkit-transition:all 0.25s;-moz-transition:all 0.25s;transition:all 0.25s}.tns-autowidth{display:inline-block}.tns-lazy-img{-webkit-transition:opacity 0.6s;-moz-transition:opacity 0.6s;transition:opacity 0.6s;opacity:0.6}.tns-lazy-img.tns-complete{opacity:1}.tns-ah{-webkit-transition:height 0s;-moz-transition:height 0s;transition:height 0s}.tns-ovh{overflow:hidden}.tns-visually-hidden{position:absolute;left:-10000em}.tns-transparent{opacity:0;visibility:hidden}.tns-fadeIn{opacity:1;filter:alpha(opacity=100);z-index:0}.tns-normal,.tns-fadeOut{opacity:0;filter:alpha(opacity=0);z-index:-1}.tns-vpfix{white-space:nowrap}.tns-vpfix>div,.tns-vpfix>li{display:inline-block}.tns-t-subp2{margin:0 auto;width:310px;position:relative;height:10px;overflow:hidden}.tns-t-ct{width:2333.3333333%;width:-webkit-calc(100% * 70 \/ 3);width:-moz-calc(100% * 70 \/ 3);width:calc(100% * 70 \/ 3);position:absolute;right:0}.tns-t-ct:after{content:'';display:table;clear:both}.tns-t-ct>div{width:1.4285714%;width:-webkit-calc(100% \/ 70);width:-moz-calc(100% \/ 70);width:calc(100% \/ 70);height:10px;float:left}<\/style>\n\t<div class=\"article-cta__wr\">\n\t\t<div class=\"row\">\n\t\t\t<div class=\"col-7 col-md-9\">\n\t\t\t\t\t\t\t<span class=\"article-cta__title\">Przeczytaj tak\u017ce:<\/span>\n\t\t\t\t\t\t\t\t\t\t<div class=\"article-cta__bg\"><img decoding=\"async\" width=\"405\" height=\"230\" src=\"https:\/\/nano.komputronik.pl\/wp-content\/uploads\/2022\/06\/komputer-kwantowy-405x230.jpg\" class=\"attachment-article-news-normal size-article-news-normal wp-post-image\" alt=\"komputer kwantowy\" srcset=\"https:\/\/nano.komputronik.pl\/wp-content\/uploads\/2022\/06\/komputer-kwantowy-405x230.jpg 405w, https:\/\/nano.komputronik.pl\/wp-content\/uploads\/2022\/06\/komputer-kwantowy-620x350.jpg 620w, https:\/\/nano.komputronik.pl\/wp-content\/uploads\/2022\/06\/komputer-kwantowy-525x300.jpg 525w, https:\/\/nano.komputronik.pl\/wp-content\/uploads\/2022\/06\/komputer-kwantowy-140x80.jpg 140w, https:\/\/nano.komputronik.pl\/wp-content\/uploads\/2022\/06\/komputer-kwantowy-80x45.jpg 80w\" sizes=\"(max-width: 405px) 100vw, 405px\" \/><\/div>\n\t\t\t\t<a class=\"article-cta__article-title\" href=\"https:\/\/nano.komputronik.pl\/n\/komputer-kwantowy-jak-dziala-ile-kosztuje\/\" title=\"Komputer kwantowy, procesor kwantowy i kubit&#8230; co to tak w\u0142a\u015bciwie jest?\"><span class=\"article-cta__dot\"><svg width=\"4px\" height=\"4px\" aria-hidden=\"true\" focusable=\"false\" data-prefix=\"fas\" data-icon=\"circle\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\" class=\"\"><path fill=\"#0072BC\" d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\" class=\"\" data-darkreader-inline-fill=\"\" style=\"--darkreader-inline-fill:currentColor;\"><\/path><\/svg><\/span> Komputer kwantowy, procesor kwantowy i kubit&#8230; co to tak w\u0142a\u015bciwie jest?<\/a>\n\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n<\/section>\n\n\n<h2 class=\"wp-block-heading\" id=\"predkosc-swiatla\">Ile wynosi pr\u0119dko\u015b\u0107 \u015bwiat\u0142a?<\/h2>\n\n\n\n<p>Pr\u0119dko\u015b\u0107 \u015bwiat\u0142a w pr\u00f3\u017cni, czyli pr\u0119dko\u015b\u0107 rozchodzenia si\u0119 fali elektromagnetycznej w pr\u00f3\u017cni jest jedn\u0105 z podstawowych sta\u0142ych fizycznych. <\/p>\n\n\n\n<figure class=\"wp-block-pullquote\"><blockquote><p>Przyjmuje si\u0119, \u017ce w takich warunkach pr\u0119dko\u015b\u0107 \u015bwiat\u0142a wynosi dok\u0142adnie 299 792 458 metr\u00f3w na sekund\u0119, niezale\u017cnie od czynnik\u00f3w zewn\u0119trznych. <\/p><\/blockquote><\/figure>\n\n\n\n<p>Je\u015bli chcieliby\u015bmy przeliczy\u0107 t\u0119 warto\u015b\u0107 na mile, uzyskamy wynik wynosz\u0105cy oko\u0142o 186 282 mil na sekund\u0119 (jedna mila to oko\u0142o 1609,34 metra), natomiast pr\u0119dko\u015b\u0107 \u015bwiat\u0142a w km wyniesie oko\u0142o 299 792 kilometr\u00f3w na sekund\u0119 lub 1 079 252 848,8 kilometr\u00f3w na godzin\u0119.<\/p>\n\n\n<style>.wp-block-image {\n  padding: 2rem 0;\n  position: relative;\n  left: 50%;\n  transform: translateX(-50%);\n}\n\n@media (min-width: 1300px) {\n  .wp-block-image {\n    width: 1440px;\n  }\n}\n\n.wp-block-image img {\n  width: auto;\n  max-width: 100%;\n  margin: 0 auto;\n  display: block;\n}\n\n@media (min-width: 1300px) {\n  .wp-block-image img {\n    max-width: none;\n  }\n}\n<\/style>\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"1000\" height=\"556\" src=\"https:\/\/nano.komputronik.pl\/wp-content\/uploads\/2023\/10\/ile-wynosi-predkosc-swiatla.jpg\" alt=\"ile wynosi pr\u0119dko\u015b\u0107 \u015bwiat\u0142a?\" class=\"wp-image-63099\" srcset=\"https:\/\/nano.komputronik.pl\/wp-content\/uploads\/2023\/10\/ile-wynosi-predkosc-swiatla.jpg 1000w, https:\/\/nano.komputronik.pl\/wp-content\/uploads\/2023\/10\/ile-wynosi-predkosc-swiatla-300x167.jpg 300w, https:\/\/nano.komputronik.pl\/wp-content\/uploads\/2023\/10\/ile-wynosi-predkosc-swiatla-768x427.jpg 768w, https:\/\/nano.komputronik.pl\/wp-content\/uploads\/2023\/10\/ile-wynosi-predkosc-swiatla-231x128.jpg 231w, https:\/\/nano.komputronik.pl\/wp-content\/uploads\/2023\/10\/ile-wynosi-predkosc-swiatla-180x100.jpg 180w, https:\/\/nano.komputronik.pl\/wp-content\/uploads\/2023\/10\/ile-wynosi-predkosc-swiatla-80x44.jpg 80w, https:\/\/nano.komputronik.pl\/wp-content\/uploads\/2023\/10\/ile-wynosi-predkosc-swiatla-140x78.jpg 140w, https:\/\/nano.komputronik.pl\/wp-content\/uploads\/2023\/10\/ile-wynosi-predkosc-swiatla-40x22.jpg 40w, https:\/\/nano.komputronik.pl\/wp-content\/uploads\/2023\/10\/ile-wynosi-predkosc-swiatla-350x195.jpg 350w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"predkosc-swiatla-zaleznosci\">Od czego zale\u017cy pr\u0119dko\u015b\u0107 \u015bwiat\u0142a?<\/h2>\n\n\n\n<p><strong>To, ile wynosi pr\u0119dko\u015b\u0107 \u015bwiat\u0142a, jest zale\u017cne od tego, przez co przechodzi \u015bwiat\u0142o. <\/strong>Najwy\u017csze warto\u015bci uzyskamy w pr\u00f3\u017cni. Tymczasem podczas przechodzenia fali elektromagnetycznej przez wod\u0119, powietrze czy te\u017c szk\u0142o, pr\u0119dko\u015b\u0107 \u015bwiat\u0142a b\u0119dzie mniejsza, w zale\u017cno\u015bci od w\u0142a\u015bciwo\u015bci optycznych tego medium i napotkanego oporu.<\/p>\n\n\n\n<p>Jak obliczy\u0107, jaka jest pr\u0119dko\u015b\u0107 \u015bwiat\u0142a w wodzie? W tym celu mo\u017cemy skorzysta\u0107 ze wzoru:<\/p>\n\n\n\n<p><strong>v = c \/ n<\/strong><\/p>\n\n\n\n<p>gdzie:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>v to pr\u0119dko\u015b\u0107 \u015bwiat\u0142a w wodzie (lub innym o\u015brodku);<\/li>\n\n\n\n<li>c to pr\u0119dko\u015b\u0107 \u015bwiat\u0142a w pr\u00f3\u017cni;<\/li>\n\n\n\n<li>n to wsp\u00f3\u0142czynnik za\u0142amania o\u015brodka (w tym przypadku wody).<\/li>\n<\/ul>\n\n\n\n<p>Wiemy, jaka jest pr\u0119dko\u015b\u0107 \u015bwiat\u0142a w pr\u00f3\u017cni (299 792 458 metr\u00f3w na sekund\u0119), znamy r\u00f3wnie\u017c warto\u015b\u0107 wsp\u00f3\u0142czynnika za\u0142amania dla wody (w standardowych warunkach wynosi on prawie 1,333).<\/p>\n\n\n\n<p>Zatem:<\/p>\n\n\n\n<p>v = (299 792 458 m\/s) \/ 1,333 \u2248 224 900 586 m\/s<\/p>\n\n\n\n<p><strong>Pr\u0119dko\u015b\u0107 \u015bwiat\u0142a w wodzie wynosi oko\u0142o 224 900 586 metr\u00f3w na sekund\u0119.<\/strong><\/p>\n\n\n<section id=\"block_8690051ab59195304a961250f946b4f2\" class=\"article-cta\">\n\t\t\n\t<div class=\"article-cta__wr\">\n\t\t<div class=\"row\">\n\t\t\t<div class=\"col-7 col-md-9\">\n\t\t\t\t\t\t\t<span class=\"article-cta__title\">Czytaj te\u017c:<\/span>\n\t\t\t\t\t\t\t\t\t\t<div class=\"article-cta__bg\"><img decoding=\"async\" width=\"405\" height=\"230\" src=\"https:\/\/nano.komputronik.pl\/wp-content\/uploads\/2023\/08\/pierwszy-komputer-historia-komputerow-405x230.jpg\" class=\"attachment-article-news-normal size-article-news-normal wp-post-image\" alt=\"pierwszy komputer - historia komputer\u00f3w\" srcset=\"https:\/\/nano.komputronik.pl\/wp-content\/uploads\/2023\/08\/pierwszy-komputer-historia-komputerow-405x230.jpg 405w, https:\/\/nano.komputronik.pl\/wp-content\/uploads\/2023\/08\/pierwszy-komputer-historia-komputerow-620x350.jpg 620w, https:\/\/nano.komputronik.pl\/wp-content\/uploads\/2023\/08\/pierwszy-komputer-historia-komputerow-525x300.jpg 525w, https:\/\/nano.komputronik.pl\/wp-content\/uploads\/2023\/08\/pierwszy-komputer-historia-komputerow-140x80.jpg 140w, https:\/\/nano.komputronik.pl\/wp-content\/uploads\/2023\/08\/pierwszy-komputer-historia-komputerow-80x44.jpg 80w, https:\/\/nano.komputronik.pl\/wp-content\/uploads\/2023\/08\/pierwszy-komputer-historia-komputerow-40x22.jpg 40w\" sizes=\"(max-width: 405px) 100vw, 405px\" \/><\/div>\n\t\t\t\t<a class=\"article-cta__article-title\" href=\"https:\/\/nano.komputronik.pl\/n\/historia-komputerow-rozwoj-pecetow-laptopow\/\" title=\"Historia komputer\u00f3w &#8211; jak rozwija\u0142y si\u0119 pierwsze pecety i laptopy?\"><span class=\"article-cta__dot\"><svg width=\"4px\" height=\"4px\" aria-hidden=\"true\" focusable=\"false\" data-prefix=\"fas\" data-icon=\"circle\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\" class=\"\"><path fill=\"#0072BC\" d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\" class=\"\" data-darkreader-inline-fill=\"\" style=\"--darkreader-inline-fill:currentColor;\"><\/path><\/svg><\/span> Historia komputer\u00f3w &#8211; jak rozwija\u0142y si\u0119 pierwsze pecety i laptopy?<\/a>\n\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n<\/section>\n\n\n<h2 class=\"wp-block-heading\" id=\"najwyzsza-predkosc\">Czy istnieje pr\u0119dko\u015b\u0107 wi\u0119ksza od pr\u0119dko\u015bci \u015bwiat\u0142a?<\/h2>\n\n\n\n<p><strong>Wed\u0142ug obecnej wiedzy fizycznej oraz teorii wzgl\u0119dno\u015bci Alberta Einsteina nie da si\u0119 osi\u0105gn\u0105\u0107 pr\u0119dko\u015bci wi\u0119kszej od pr\u0119dko\u015bci \u015bwiat\u0142a w pr\u00f3\u017cni. <\/strong>To najwi\u0119ksza mo\u017cliwa pr\u0119dko\u015b\u0107 w naszym wszech\u015bwiecie.<\/p>\n\n\n\n<p>Fizycy nazwali ju\u017c hipotetyczn\u0105, nieodkryt\u0105 jeszcze, cz\u0105stk\u0119 elementarn\u0105, kt\u00f3ra porusza si\u0119 z pr\u0119dko\u015bci\u0105 nad\u015bwietln\u0105 (wi\u0119ksz\u0105 ni\u017c pr\u0119dko\u015b\u0107 \u015bwiat\u0142a w pr\u00f3\u017cni). Jest to tachion. <strong>Jak dot\u0105d nie znaleziono jednak \u017cadnych dowod\u00f3w na istnienie tachion\u00f3w.<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"1000\" height=\"556\" src=\"https:\/\/nano.komputronik.pl\/wp-content\/uploads\/2023\/10\/jaka-jest-predkosc-swiatla.jpg\" alt=\"jaka jest pr\u0119dko\u015b\u0107 \u015bwiat\u0142a w wodzie?\" class=\"wp-image-63100\" srcset=\"https:\/\/nano.komputronik.pl\/wp-content\/uploads\/2023\/10\/jaka-jest-predkosc-swiatla.jpg 1000w, https:\/\/nano.komputronik.pl\/wp-content\/uploads\/2023\/10\/jaka-jest-predkosc-swiatla-300x167.jpg 300w, https:\/\/nano.komputronik.pl\/wp-content\/uploads\/2023\/10\/jaka-jest-predkosc-swiatla-768x427.jpg 768w, https:\/\/nano.komputronik.pl\/wp-content\/uploads\/2023\/10\/jaka-jest-predkosc-swiatla-231x128.jpg 231w, https:\/\/nano.komputronik.pl\/wp-content\/uploads\/2023\/10\/jaka-jest-predkosc-swiatla-180x100.jpg 180w, https:\/\/nano.komputronik.pl\/wp-content\/uploads\/2023\/10\/jaka-jest-predkosc-swiatla-80x44.jpg 80w, https:\/\/nano.komputronik.pl\/wp-content\/uploads\/2023\/10\/jaka-jest-predkosc-swiatla-140x78.jpg 140w, https:\/\/nano.komputronik.pl\/wp-content\/uploads\/2023\/10\/jaka-jest-predkosc-swiatla-40x22.jpg 40w, https:\/\/nano.komputronik.pl\/wp-content\/uploads\/2023\/10\/jaka-jest-predkosc-swiatla-350x195.jpg 350w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"historia-badan\">Historia badania pr\u0119dko\u015bci \u015bwiat\u0142a<\/h2>\n\n\n\n<p><strong>Pierwszym badaczem, kt\u00f3ry podj\u0105\u0142 si\u0119 zmierzenia tego, jaka jest pr\u0119dko\u015b\u0107 \u015bwiat\u0142a, by\u0142 urodzony w Pizie Galileusz. <\/strong>W\u0142oski fizyk, matematyk, in\u017cynier-wynalazca, filozof i astronom prowadzi\u0142 liczne eksperymenty. W szczeg\u00f3lno\u015bci interesowa\u0142o go staczanie si\u0119 kul po r\u00f3wni pochy\u0142ej, wykorzystanie wahad\u0142a do pomiaru czasu oraz zjawisko bezw\u0142adno\u015bci. Przeprowadzone przez niego badania pozwoli\u0142y oszacowa\u0107, \u017ce \u015bwiat\u0142o porusza si\u0119 z pr\u0119dko\u015bci\u0105 wynosz\u0105c\u0105 ponad 30 km\/s.<\/p>\n\n\n\n<p>Kolejny prze\u0142om nast\u0105pi\u0142 w 1676 roku, za spraw\u0105 du\u0144skiego astronoma, fizyka i urz\u0119dnika, Ole R\u00f8mera. <strong>Obserwacje astronomiczne badacza dostarczy\u0142y pierwszych dowod\u00f3w na sko\u0144czon\u0105 pr\u0119dko\u015b\u0107 \u015bwiat\u0142a. <\/strong>W kolejnych latach badacze pr\u00f3bowali zmierzy\u0107 t\u0119 warto\u015b\u0107 za pomoc\u0105 r\u00f3\u017cnorodnych urz\u0105dze\u0144:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>w 1676 roku holenderski uczony, matematyk, fizyk teoretyczny i do\u015bwiadczalny, astronom oraz in\u017cynier-wynalazca, Christiaan Huygens, oszacowa\u0142, \u017ce pr\u0119dko\u015b\u0107 \u015bwiat\u0142a w pr\u00f3\u017cni wynosi 220 000 km\/s;<\/li>\n\n\n\n<li>w 1727 roku angielski astronom i wieloletni Astronom Kr\u00f3lewski James Bradley obliczy\u0142, \u017ce warto\u015b\u0107 ta wynosi 301 000 km\/s;<\/li>\n\n\n\n<li>w 1850 roku francuski fizyk do\u015bwiadczalny oraz cz\u0142onek Francuskiej Akademii Nauk i Petersburskiej Akademii Nauk, Jean Foucault, zmierzy\u0142 pr\u0119dko\u015b\u0107 \u015bwiat\u0142a przy pomocy wiruj\u0105cego lustra. Uzyskana przez niego warto\u015b\u0107 wynios\u0142a 298 000 \u00b1 500 km\/s;<\/li>\n\n\n\n<li>w 1907 roku ameryka\u0144ski fizyk pochodzenia polsko-\u017cydowskiego oraz noblista w dziedzinie fizyki, Albert Abraham Michelson dowi\u00f3d\u0142, \u017ce pr\u0119dko\u015b\u0107 \u015bwiat\u0142a nie zale\u017cy od pr\u0119dko\u015bci Ziemi w przestrzeni. Obliczy\u0142 on r\u00f3wnie\u017c, \u017ce pr\u0119dko\u015b\u0107 \u015bwiat\u0142a w powietrzu wynosi 299 740 km\/s, a w pr\u00f3\u017cni &#8211; 299 944 km\/s.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"swiatlowod\">Czy \u015bwiat\u0142ow\u00f3d ma pr\u0119dko\u015b\u0107 \u015bwiat\u0142a?<\/h2>\n\n\n\n<p><a href=\"https:\/\/nano.komputronik.pl\/n\/co-to-swiatlowod-wady-zalety\/\">\u015awiat\u0142ow\u00f3d to rodzaj przewodu wykonanego z w\u0142\u00f3kien szklanych lub plastikowych, kt\u00f3ry s\u0142u\u017cy do przesy\u0142ania \u015bwiat\u0142a jako no\u015bnika informacji<\/a>. \u015awiat\u0142owody s\u0105 wykorzystywane nie tylko w bran\u017cy telekomunikacyjnej (np. do przesy\u0142ania danych internetowych), ale tak\u017ce w medycynie (do bada\u0144 endoskopowych), przemy\u015ble (w celu monitoringu proces\u00f3w przemys\u0142owych) oraz w militariach (mi\u0119dzy innymi w systemach wywiadowczych). <\/p>\n\n\n\n<p><strong>Dane przesy\u0142ane przy pomocy \u015bwiat\u0142owod\u00f3w przemieszczaj\u0105 si\u0119 z bardzo du\u017c\u0105 pr\u0119dko\u015bci\u0105, zbli\u017con\u0105 do pr\u0119dko\u015bci \u015bwiat\u0142a w pr\u00f3\u017cni.<\/strong><\/p>\n\n\n\n<p>Przy okazji &#8211; je\u015bli szukasz <a href=\"https:\/\/www.komputronik.pl\/informacje\/jaki-router-do-swiatlowodu\/\" target=\"_blank\" rel=\"noopener\">routera do \u015bwiat\u0142owodu<\/a> &#8211; to wybrali\u015bmy dla Ciebie kilka propozycji.<\/p>\n\n\n<div class=\"swiper-container w-full js-article-product-slider\" data-js-products=[\"NET-WLRD-TPL-331\",\"NET-WLAP-ZTE-002\",\"NET-WLRD-ASU-182\",\"NET-WLRD-TPL-211\",\"NET-WLRD-ASU-192\",\"NET-WLRD-ASU-189\",\"NET-WLRD-CUDY-056\",\"NET-WLRD-CUDY-055\",\"NET-4G-ZTE-023\",\"NET-WLRD-ASU-183\",\"NET-4G-TPL-031\",\"NET-4G-TEN-020\",\"NET-WLRD-STRL-004\",\"NET-4G-TPL-082\",\"NET-WLRD-CUDY-052\",\"NET-WLRD-MRSS-023\",\"NET-4G-ZTE-027\",\"NET-WLRD-TEN-097\",\"NET-4G-ZTE-024\",\"NET-WLRD-ASU-099\"]><div class=\"swiper-wrapper\"><div class=\"product swiper-slide\" data-js-product-code=\"NET-WLRD-TPL-331\"><a class=\"product__box\" href=\"https:\/\/www.komputronik.pl\/product\/916547\/router-tp-link-archer-ax17.html\" target=\"_blank\" rel=\"noopener\"><span class=\"product__photo-wrapper\"><img decoding=\"async\" class=\"product__photo\" src=\"https:\/\/static.komputronik.pl\/product-picture\/5\/NETTLAX17-1.jpg\" alt=\"TP-Link Archer AX17\"\/><\/span><span class=\"product__name\">TP-Link Archer AX17<\/span><span class=\"product__price js-product__price\">Cena od 158.99 z\u0142<\/span><\/a><\/div><div class=\"product swiper-slide\" data-js-product-code=\"NET-WLAP-ZTE-002\"><a class=\"product__box\" href=\"https:\/\/www.komputronik.pl\/product\/900366\/router-zte-mf18a.html\" target=\"_blank\" rel=\"noopener\"><span class=\"product__photo-wrapper\"><img decoding=\"async\" class=\"product__photo\" src=\"https:\/\/static.komputronik.pl\/product-picture\/5\/NETZTEMF18A-1.jpg\" alt=\"ZTE MF18A\"\/><\/span><span class=\"product__name\">ZTE MF18A<\/span><span class=\"product__price js-product__price\">Cena od 89.99 z\u0142<\/span><\/a><\/div><div class=\"product swiper-slide\" data-js-product-code=\"NET-WLRD-ASU-182\"><a class=\"product__box\" href=\"https:\/\/www.komputronik.pl\/product\/882992\/asus-rt-ax52.html\" target=\"_blank\" rel=\"noopener\"><span class=\"product__photo-wrapper\"><img decoding=\"async\" class=\"product__photo\" src=\"https:\/\/static.komputronik.pl\/product-picture\/5\/NETASRTAX52-1.jpg\" alt=\"ASUS RT-AX52\"\/><\/span><span class=\"product__name\">ASUS RT-AX52<\/span><span class=\"product__price js-product__price\">Cena od 164.99 z\u0142<\/span><\/a><\/div><div class=\"product swiper-slide\" data-js-product-code=\"NET-WLRD-TPL-211\"><a class=\"product__box\" href=\"https:\/\/www.komputronik.pl\/product\/671991\/tp-link-deco-m5-2-pack-.html\" target=\"_blank\" rel=\"noopener\"><span class=\"product__photo-wrapper\"><img decoding=\"async\" class=\"product__photo\" src=\"https:\/\/static.komputronik.pl\/product-picture\/5\/NETTLDECOM52-1.jpg\" alt=\"TP-Link Deco M5 (2-Pack)\"\/><\/span><span class=\"product__name\">TP-Link Deco M5 (2-Pack)<\/span><span class=\"product__price js-product__price\">Cena od 579 z\u0142<\/span><\/a><\/div><div class=\"product swiper-slide\" data-js-product-code=\"NET-WLRD-ASU-192\"><a class=\"product__box\" href=\"https:\/\/www.komputronik.pl\/product\/925617\/router-asus-rt-be58u-wi-fi-7.html\" target=\"_blank\" rel=\"noopener\"><span class=\"product__photo-wrapper\"><img decoding=\"async\" class=\"product__photo\" src=\"https:\/\/static.komputronik.pl\/product-picture\/5\/NETASURT-BE58U-1.jpg\" alt=\"ASUS RT-BE58U wi-fi 7\"\/><\/span><span class=\"product__name\">ASUS RT-BE58U wi-fi 7<\/span><span class=\"product__price js-product__price\">Cena od 478.99 z\u0142<\/span><\/a><\/div><div class=\"product swiper-slide\" data-js-product-code=\"NET-WLRD-ASU-189\"><a class=\"product__box\" href=\"https:\/\/www.komputronik.pl\/product\/910249\/router-asus-rt-be88u.html\" target=\"_blank\" rel=\"noopener\"><span class=\"product__photo-wrapper\"><img decoding=\"async\" class=\"product__photo\" src=\"https:\/\/static.komputronik.pl\/product-picture\/5\/NETASURTBE88U-1.jpg\" alt=\"ASUS RT-BE88U wi-fi 7\"\/><\/span><span class=\"product__name\">ASUS RT-BE88U wi-fi 7<\/span><span class=\"product__price js-product__price\">Cena od 1479 z\u0142<\/span><\/a><\/div><div class=\"product swiper-slide\" data-js-product-code=\"NET-WLRD-CUDY-056\"><a class=\"product__box\" href=\"https:\/\/www.komputronik.pl\/product\/957268\/router-cudy-wr6500-wi-fi-7.html\" target=\"_blank\" rel=\"noopener\"><span class=\"product__photo-wrapper\"><img decoding=\"async\" class=\"product__photo\" src=\"https:\/\/static.komputronik.pl\/product-picture\/5\/NETCUDYWR6500-1.jpg\" alt=\"Cudy WR6500 wi-fi 7\"\/><\/span><span class=\"product__name\">Cudy WR6500 wi-fi 7<\/span><span class=\"product__price js-product__price\">Cena od 359 z\u0142<\/span><\/a><\/div><div class=\"product swiper-slide\" data-js-product-code=\"NET-WLRD-CUDY-055\"><a class=\"product__box\" href=\"https:\/\/www.komputronik.pl\/product\/957065\/router-cudy-p4.html\" target=\"_blank\" rel=\"noopener\"><span class=\"product__photo-wrapper\"><img decoding=\"async\" class=\"product__photo\" src=\"https:\/\/static.komputronik.pl\/product-picture\/5\/NETCUDYP4-1.jpg\" alt=\"Cudy P4\"\/><\/span><span class=\"product__name\">Cudy P4<\/span><span class=\"product__price js-product__price\">Cena od 1277.99 z\u0142<\/span><\/a><\/div><div class=\"product swiper-slide\" data-js-product-code=\"NET-4G-ZTE-023\"><a class=\"product__box\" href=\"https:\/\/www.komputronik.pl\/product\/909300\/router-zte-mc888d-5g.html\" target=\"_blank\" rel=\"noopener\"><span class=\"product__photo-wrapper\"><img decoding=\"async\" class=\"product__photo\" src=\"https:\/\/static.komputronik.pl\/product-picture\/5\/NETZTEMC888D5G-1.jpg\" alt=\"ZTE MC888D 5G\"\/><\/span><span class=\"product__name\">ZTE MC888D 5G<\/span><span class=\"product__price js-product__price\">Cena od 799 z\u0142<\/span><\/a><\/div><div class=\"product swiper-slide\" data-js-product-code=\"NET-WLRD-ASU-183\"><a class=\"product__box\" href=\"https:\/\/www.komputronik.pl\/product\/891130\/router-asus-zenwifi-ax-mini-xd4-plus-2-pack-czarny.html\" target=\"_blank\" rel=\"noopener\"><span class=\"product__photo-wrapper\"><img decoding=\"async\" class=\"product__photo\" src=\"https:\/\/static.komputronik.pl\/product-picture\/5\/NETASUSXD42PBPLUS-1.jpg\" alt=\"ASUS ZenWiFi AX Mini XD4 Plus (2 pack) czarny\"\/><\/span><span class=\"product__name\">ASUS ZenWiFi AX Mini XD4 Plus (2 pack) czarny<\/span><span class=\"product__price js-product__price\">Cena od 599 z\u0142<\/span><\/a><\/div><div class=\"product swiper-slide\" data-js-product-code=\"NET-4G-TPL-031\"><a class=\"product__box\" href=\"https:\/\/www.komputronik.pl\/product\/673471\/tp-link-tl-mr150.html\" target=\"_blank\" rel=\"noopener\"><span class=\"product__photo-wrapper\"><img decoding=\"async\" class=\"product__photo\" src=\"https:\/\/static.komputronik.pl\/product-picture\/5\/TPLTLMR150-1.jpg\" alt=\"TP-Link TL-MR150\"\/><\/span><span class=\"product__name\">TP-Link TL-MR150<\/span><span class=\"product__price js-product__price\">Cena od 199 z\u0142<\/span><\/a><\/div><div class=\"product swiper-slide\" data-js-product-code=\"NET-4G-TEN-020\"><a class=\"product__box\" href=\"https:\/\/www.komputronik.pl\/product\/927065\/router-tenda-4g180-v4-0.html\" target=\"_blank\" rel=\"noopener\"><span class=\"product__photo-wrapper\"><img decoding=\"async\" class=\"product__photo\" src=\"https:\/\/static.komputronik.pl\/product-picture\/5\/NETTEN4G180V4-1.jpg\" alt=\"Tenda 4G180 V4.0\"\/><\/span><span class=\"product__name\">Tenda 4G180 V4.0<\/span><span class=\"product__price js-product__price\">Cena od 197.99 z\u0142<\/span><\/a><\/div><div class=\"product swiper-slide\" data-js-product-code=\"NET-WLRD-STRL-004\"><a class=\"product__box\" href=\"https:\/\/www.komputronik.pl\/product\/953111\/router-starlink-mini-kit-pl.html\" target=\"_blank\" rel=\"noopener\"><span class=\"product__photo-wrapper\"><img decoding=\"async\" class=\"product__photo\" src=\"https:\/\/static.komputronik.pl\/product-picture\/5\/NETWL0256-1.jpg\" alt=\"Starlink Mini Kit PL\"\/><\/span><span class=\"product__name\">Starlink Mini Kit PL<\/span><span class=\"product__price js-product__price\">Cena od 999 z\u0142<\/span><\/a><\/div><div class=\"product swiper-slide\" data-js-product-code=\"NET-4G-TPL-082\"><a class=\"product__box\" href=\"https:\/\/www.komputronik.pl\/product\/944871\/router-tp-link-nx200.html\" target=\"_blank\" rel=\"noopener\"><span class=\"product__photo-wrapper\"><img decoding=\"async\" class=\"product__photo\" src=\"https:\/\/static.komputronik.pl\/product-picture\/5\/TPLTLNX200-1.jpg\" alt=\"TP-Link NX200\"\/><\/span><span class=\"product__name\">TP-Link NX200<\/span><span class=\"product__price js-product__price\">Cena od 999 z\u0142<\/span><\/a><\/div><div class=\"product swiper-slide\" data-js-product-code=\"NET-WLRD-CUDY-052\"><a class=\"product__box\" href=\"https:\/\/www.komputronik.pl\/product\/947231\/router-cudy-wr3000s.html\" target=\"_blank\" rel=\"noopener\"><span class=\"product__photo-wrapper\"><img decoding=\"async\" class=\"product__photo\" src=\"https:\/\/static.komputronik.pl\/product-picture\/5\/NETCUDYWRWR3000S-1.jpg\" alt=\"Cudy WR3000S\"\/><\/span><span class=\"product__name\">Cudy WR3000S<\/span><span class=\"product__price js-product__price\">Cena od 189 z\u0142<\/span><\/a><\/div><div class=\"product swiper-slide\" data-js-product-code=\"NET-WLRD-MRSS-023\"><a class=\"product__box\" href=\"https:\/\/www.komputronik.pl\/product\/881665\/router-mercusys-mr80x.html\" target=\"_blank\" rel=\"noopener\"><span class=\"product__photo-wrapper\"><img decoding=\"async\" class=\"product__photo\" src=\"https:\/\/static.komputronik.pl\/product-picture\/5\/NETWL0232-1.jpg\" alt=\"Mercusys MR80X\"\/><\/span><span class=\"product__name\">Mercusys MR80X<\/span><span class=\"product__price js-product__price\">Cena od 139 z\u0142<\/span><\/a><\/div><div class=\"product swiper-slide\" data-js-product-code=\"NET-4G-ZTE-027\"><a class=\"product__box\" href=\"https:\/\/www.komputronik.pl\/product\/924220\/router-zte-f50-5g.html\" target=\"_blank\" rel=\"noopener\"><span class=\"product__photo-wrapper\"><img decoding=\"async\" class=\"product__photo\" src=\"https:\/\/static.komputronik.pl\/product-picture\/5\/NETZTEF505G-1.jpg\" alt=\"ZTE F50 5G\"\/><\/span><span class=\"product__name\">ZTE F50 5G<\/span><span class=\"product__price js-product__price\">Cena od 499 z\u0142<\/span><\/a><\/div><div class=\"product swiper-slide\" data-js-product-code=\"NET-WLRD-TEN-097\"><a class=\"product__box\" href=\"https:\/\/www.komputronik.pl\/product\/944672\/router-tenda-tx2l-pro.html\" target=\"_blank\" rel=\"noopener\"><span class=\"product__photo-wrapper\"><img decoding=\"async\" class=\"product__photo\" src=\"https:\/\/static.komputronik.pl\/product-picture\/5\/NETTENTX2LPRO-1.jpg\" alt=\"Tenda TX2L Pro\"\/><\/span><span class=\"product__name\">Tenda TX2L Pro<\/span><span class=\"product__price js-product__price\">Cena od 199 z\u0142<\/span><\/a><\/div><div class=\"product swiper-slide\" data-js-product-code=\"NET-4G-ZTE-024\"><a class=\"product__box\" href=\"https:\/\/www.komputronik.pl\/product\/919910\/zte-u10.html\" target=\"_blank\" rel=\"noopener\"><span class=\"product__photo-wrapper\"><img decoding=\"async\" class=\"product__photo\" src=\"https:\/\/static.komputronik.pl\/product-picture\/5\/NETZTEU10-1.jpg\" alt=\"ZTE U10\"\/><\/span><span class=\"product__name\">ZTE U10<\/span><span class=\"product__price js-product__price\">Cena od 159 z\u0142<\/span><\/a><\/div><div class=\"product swiper-slide\" data-js-product-code=\"NET-WLRD-ASU-099\"><a class=\"product__box\" href=\"https:\/\/www.komputronik.pl\/product\/666908\/asus-rt-ax58u.html\" target=\"_blank\" rel=\"noopener\"><span class=\"product__photo-wrapper\"><img decoding=\"async\" class=\"product__photo\" src=\"https:\/\/static.komputronik.pl\/product-picture\/5\/NETASRTAX58U-1.jpg\" alt=\"ASUS RT-AX58U\"\/><\/span><span class=\"product__name\">ASUS RT-AX58U<\/span><span class=\"product__price js-product__price\">Cena od 354.99 z\u0142<\/span><\/a><\/div><\/div><div class=\"swiper-button-next\"><\/div><div class=\"swiper-button-prev\"><\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"swiatlo-przesylanie-danych\">Przesy\u0142anie danych za pomoc\u0105 \u015bwiat\u0142a<\/h2>\n\n\n\n<p>Przesy\u0142anie danych przy pomocy \u015bwiat\u0142a jest mo\u017cliwe tak\u017ce dzi\u0119ki Li-Fi. <strong>Technologia ta wykorzystuje diody LED oraz podczerwie\u0144. <\/strong>Ich szybkie w\u0142\u0105czanie i wy\u0142\u0105czanie (kt\u00f3re jest niedostrzegalne dla ludzkiego oka) mog\u0105 wychwytywa\u0107 specjalne odbiorniki. <\/p>\n\n\n\n<p>Li-Fi stale si\u0119 rozwija, technologia ta odnajduje zastosowanie mi\u0119dzy innymi w medycynie (do komunikacji pomi\u0119dzy urz\u0105dzeniami medycznymi) oraz w \u015brodkach transportu (np. na pok\u0142adach samolot\u00f3w).<\/p>\n\n\n<section id=\"block_2aa1dacc3a3ad5e66984a9e9fae7b392\" class=\"article-cta\">\n\t\t\n\t<div class=\"article-cta__wr\">\n\t\t<div class=\"row\">\n\t\t\t<div class=\"col-7 col-md-9\">\n\t\t\t\t\t\t\t<span class=\"article-cta__title\">Dowiedz si\u0119 wi\u0119cej o tym, czy Li-Fi mo\u017ce zast\u0105pi\u0107 Wi-Fi:<\/span>\n\t\t\t\t\t\t\t\t\t\t<div class=\"article-cta__bg\"><img decoding=\"async\" width=\"405\" height=\"230\" src=\"https:\/\/nano.komputronik.pl\/wp-content\/uploads\/2023\/03\/standard-lifi-405x230.jpg\" class=\"attachment-article-news-normal size-article-news-normal wp-post-image\" alt=\"\" srcset=\"https:\/\/nano.komputronik.pl\/wp-content\/uploads\/2023\/03\/standard-lifi-405x230.jpg 405w, https:\/\/nano.komputronik.pl\/wp-content\/uploads\/2023\/03\/standard-lifi-620x350.jpg 620w, https:\/\/nano.komputronik.pl\/wp-content\/uploads\/2023\/03\/standard-lifi-525x300.jpg 525w, https:\/\/nano.komputronik.pl\/wp-content\/uploads\/2023\/03\/standard-lifi-140x80.jpg 140w, https:\/\/nano.komputronik.pl\/wp-content\/uploads\/2023\/03\/standard-lifi-80x44.jpg 80w, https:\/\/nano.komputronik.pl\/wp-content\/uploads\/2023\/03\/standard-lifi-40x22.jpg 40w\" sizes=\"(max-width: 405px) 100vw, 405px\" \/><\/div>\n\t\t\t\t<a class=\"article-cta__article-title\" href=\"https:\/\/nano.komputronik.pl\/n\/li-fi-bezprzewodowa-lacznosc-przez-podczerwien\/\" title=\"Technologia LiFi to \u0142\u0105czno\u015b\u0107 bezprzewodowa z pr\u0119dko\u015bci\u0105 nawet 200 Gb\/s. Gdzie jest haczyk?\"><span class=\"article-cta__dot\"><svg width=\"4px\" height=\"4px\" aria-hidden=\"true\" focusable=\"false\" data-prefix=\"fas\" data-icon=\"circle\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\" class=\"\"><path fill=\"#0072BC\" d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\" class=\"\" data-darkreader-inline-fill=\"\" style=\"--darkreader-inline-fill:currentColor;\"><\/path><\/svg><\/span> Technologia LiFi to \u0142\u0105czno\u015b\u0107 bezprzewodowa z pr\u0119dko\u015bci\u0105 nawet 200 Gb\/s. Gdzie jest haczyk?<\/a>\n\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n<\/section>\n\n\n<p><strong>Mo\u017ce Ci\u0119 zainteresowa\u0107:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/nano.komputronik.pl\/n\/jak-dziala-internet-czym-jest-siec-internetowa\/\">Czy wiesz, jak dzia\u0142a Internet i czym jest sie\u0107 internetowa?<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/nano.komputronik.pl\/n\/co-to-swiatlowod-wady-zalety\/\">\u015awiat\u0142ow\u00f3d &#8211; definicja, zalety i wady<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/nano.komputronik.pl\/n\/4g-a-5g-omawiamy-najwazniejsze-roznice\/\" data-type=\"post\" data-id=\"1761\">Czym r\u00f3\u017cni si\u0119 4G od 5G?<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/nano.komputronik.pl\/n\/jak-oszczedzac-prad-15-sposobow\/\">15 wskaz\u00f3wek, dzi\u0119ki kt\u00f3rym zaoszcz\u0119dzisz pr\u0105d w domu<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Pr\u0119dko\u015b\u0107 \u015bwiat\u0142a w pr\u00f3\u017cni jest sta\u0142\u0105 fizyczn\u0105 i nie zale\u017cy od \u017cadnych czynnik\u00f3w zewn\u0119trznych. Ile wynosi? Od czego zale\u017cy to, jaka jest pr\u0119dko\u015b\u0107 \u015bwiat\u0142a? Czy da si\u0119 osi\u0105gn\u0105\u0107 pr\u0119dko\u015b\u0107 wi\u0119ksz\u0105 od pr\u0119dko\u015bci \u015bwiat\u0142a? Odpowiadamy na te pytania w dzisiejszym artykule. Ile wynosi pr\u0119dko\u015b\u0107 \u015bwiat\u0142a? Pr\u0119dko\u015b\u0107 \u015bwiat\u0142a w pr\u00f3\u017cni, czyli pr\u0119dko\u015b\u0107 rozchodzenia si\u0119 fali elektromagnetycznej w [&hellip;]<\/p>\n","protected":false},"author":40,"featured_media":63108,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[49],"tags":[37],"class_list":["post-63098","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-poradnik","tag-co-to-jest"],"acf":[],"_links":{"self":[{"href":"https:\/\/nano.komputronik.pl\/wp-json\/wp\/v2\/posts\/63098","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nano.komputronik.pl\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nano.komputronik.pl\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nano.komputronik.pl\/wp-json\/wp\/v2\/users\/40"}],"replies":[{"embeddable":true,"href":"https:\/\/nano.komputronik.pl\/wp-json\/wp\/v2\/comments?post=63098"}],"version-history":[{"count":10,"href":"https:\/\/nano.komputronik.pl\/wp-json\/wp\/v2\/posts\/63098\/revisions"}],"predecessor-version":[{"id":92882,"href":"https:\/\/nano.komputronik.pl\/wp-json\/wp\/v2\/posts\/63098\/revisions\/92882"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nano.komputronik.pl\/wp-json\/wp\/v2\/media\/63108"}],"wp:attachment":[{"href":"https:\/\/nano.komputronik.pl\/wp-json\/wp\/v2\/media?parent=63098"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nano.komputronik.pl\/wp-json\/wp\/v2\/categories?post=63098"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nano.komputronik.pl\/wp-json\/wp\/v2\/tags?post=63098"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}