{"id":12961,"date":"2026-08-25T15:17:19","date_gmt":"2026-08-25T08:17:19","guid":{"rendered":"https:\/\/useful.vn\/?p=12961"},"modified":"2026-08-25T15:17:19","modified_gmt":"2026-08-25T08:17:19","slug":"bong-den-soi-dot-van-phat-sang-sau-125-nam","status":"publish","type":"post","link":"https:\/\/useful.vn\/?p=12961","title":{"rendered":"B\u00f3ng \u0111\u00e8n s\u1ee3i \u0111\u1ed1t v\u1eabn ph\u00e1t s\u00e1ng sau 125 n\u0103m"},"content":{"rendered":"<article class=\"fck_detail \">\n<h1 class=\"title-detail mt20\">\nB\u00f3ng \u0111\u00e8n s\u1ee3i \u0111\u1ed1t v\u1eabn ph\u00e1t s\u00e1ng sau 125 n\u0103m <\/h1>\n<p class=\"description\"><span class=\"location-stamp\">M\u1ef9<\/span>B\u00f3ng \u0111\u00e8n Centennial Light \u1edf Livermore, California l\u1eadp k\u1ef7 l\u1ee5c v\u1ec1 \u0111\u1ed9 b\u1ec1n khi ho\u1ea1t \u0111\u1ed9ng g\u1ea7n nh\u01b0 li\u00ean t\u1ee5c t\u1eeb n\u0103m 1901 \u0111\u1ebfn nay.<\/p>\n<p class=\"Normal\">Theo <em>San Francisco Chronicle<\/em>, b\u00f3ng \u0111\u00e8n mang t\u00ean Centennial Light treo tr\u00ean tr\u1ea7n tr\u1ea1m c\u1ee9u h\u1ecfa s\u1ed1 6 \u1edf Livermore, bang California, \u0111\u00e3 t\u1ed3n t\u1ea1i h\u01a1n m\u1ed9t th\u1ebf k\u1ef7, ph\u00e1t s\u00e1ng g\u1ea7n nh\u01b0 li\u00ean t\u1ee5c t\u1eeb n\u0103m 1901. Chi\u1ebfc b\u00f3ng \u0111\u00e8n v\u01b0\u1ee3t qua m\u1ed1c 125 n\u0103m ho\u1ea1t \u0111\u1ed9ng v\u00e0o th\u00e1ng 6 n\u0103m nay, \u0111\u01b0\u1ee3c S\u00e1ch k\u1ef7 l\u1ee5c Guinness c\u00f4ng nh\u1eadn l\u00e0 b\u00f3ng \u0111\u00e8n ch\u00e1y l\u00e2u nh\u1ea5t th\u1ebf gi\u1edbi.<\/p>\n<p class=\"Normal\">Chi\u1ebfc b\u00f3ng \u0111\u00e8n 60 watt l\u00e0 thi\u1ebft k\u1ebf c\u1ee7a k\u1ef9 s\u01b0 ng\u01b0\u1eddi Ph\u00e1p Adolphe Chaillet, \u0111\u01b0\u1ee3c C\u00f4ng ty \u0110i\u1ec7n Shelby \u1edf Ohio s\u1ea3n xu\u1ea5t v\u00e0o cu\u1ed1i th\u1ebf k\u1ef7 19, s\u1eed d\u1ee5ng nh\u1ef1a cellulose nung \u0111\u1ebfn khi g\u1ea7n nh\u01b0 tr\u1edf th\u00e0nh carbon v\u00e0 c\u1ee9ng ch\u1eafc nh\u01b0 kim c\u01b0\u01a1ng. N\u0103m 1897, nh\u00f3m k\u1ef9 s\u01b0 t\u1eeb Shelby v\u00e0 nhi\u1ec1u c\u00f4ng ty kh\u00e1c ti\u1ebfn h\u00e0nh th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n, \u0111\u1ec3 c\u00e1c b\u00f3ng \u0111\u00e8n ch\u00e1y li\u00ean t\u1ee5c trong ph\u00f2ng. Cu\u1ed1i th\u1eed nghi\u1ec7m, ch\u1ec9 c\u00f3 b\u00f3ng \u0111\u00e8n c\u1ee7a Shelby kh\u00f4ng t\u1eaft. M\u1eabu b\u00f3ng \u0111\u00e8n n\u00e0y r\u1ea5t th\u00e0nh c\u00f4ng v\u1ec1 m\u1eb7t th\u01b0\u01a1ng m\u1ea1i v\u00e0o th\u1eddi \u0111i\u1ec3m \u0111\u00f3 nh\u01b0ng b\u1ecb ng\u1eebng s\u1ea3n xu\u1ea5t n\u0103m 1912 khi General Electric mua l\u1ea1i c\u00f4ng ty.<\/p>\n<figure data-size=\"true\" class=\"tplCaption\">\n<div class=\"fig-picture\" data-width=\"750\">\n<source data-srcset=\"http:\/\/useful.vn\/wp-content\/uploads\/2026\/08\/vne-bulb-1785905053-4009-1785905128.webp 1x, http:\/\/useful.vn\/wp-content\/uploads\/2026\/08\/vne-bulb-1785905053-4009-1785905128.webp 1.5x, https:\/\/vcdn1-vnexpress.vnecdn.net\/2026\/08\/05\/VNE-Bulb-1785905053-4009-1785905128.jpg?w=1020&amp;h=0&amp;q=100&amp;dpr=2&amp;fit=crop&amp;s=9jPShcBbtCx9OtY6_XgrBQ 2x\" \/><\/div><figcaption>\n<p class=\"Image\">B\u00f3ng \u0111\u00e8n l\u00e2u \u0111\u1eddi nh\u1ea5t th\u1ebf gi\u1edbi Centennial Light. \u1ea2nh: <em>Centennial<\/em><\/p>\n<\/figcaption><\/figure>\n<p class=\"Normal\">Centennial \u0111\u01b0\u1ee3c l\u1eafp l\u1ea7n \u0111\u1ea7u t\u1ea1i m\u1ed9t tr\u1ea1m c\u1ee9u h\u1ecfa t\u00ecnh nguy\u1ec7n tr\u00ean ph\u1ed1 Second \u1edf Livermore n\u0103m 1901. L\u00ednh c\u1ee9u h\u1ecfa b\u1eadt b\u00f3ng \u0111\u00e8n su\u1ed1t ng\u00e0y \u0111\u00eam. N\u00f3 ch\u1ec9 t\u1eaft trong th\u1eddi gian ng\u1eafn khi chuy\u1ec3n sang tr\u1ea1m c\u1ee9u h\u1ecfa m\u1edbi n\u0103m 1906. N\u0103m 1976, khi th\u00e0nh ph\u1ed1 x\u00e2y d\u1ef1ng m\u1ed9t tr\u1ea1m c\u1ee9u h\u1ecfa tr\u00ean \u0111\u01b0\u1eddng East Avenue, chi\u1ebfc b\u00f3ng \u0111\u00e8n c\u1ea7n di chuy\u1ec3n m\u1ed9t l\u1ea7n n\u1eefa. L\u1ea7n cu\u1ed1i c\u00f9ng b\u00f3ng \u0111\u00e8n t\u1eaft l\u00e0 n\u0103m 2013 do m\u00e1y ph\u00e1t \u0111i\u1ec7n cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho thi\u1ebft b\u1ecb h\u1ebft pin.<\/p>\n<p class=\"Normal\">Theo <em>Medium<\/em>, c\u00e1c nh\u00e0 khoa h\u1ecdc ch\u01b0a bi\u1ebft r\u00f5 t\u1ea1i sao b\u00f3ng \u0111\u00e8n Centennial c\u00f3 th\u1ec3 ch\u00e1y l\u00e2u nh\u01b0 v\u1eady. B\u00f3ng \u0111\u00e8n s\u1ee3i \u0111\u1ed1t thu\u1edf \u0111\u1ea7u s\u1eed d\u1ee5ng m\u1ed9t s\u1ee3i d\u00e2y tungsten m\u1ecfng \u0111\u1eb7t b\u00ean trong v\u1ecf th\u1ee7y tinh k\u00edn kh\u00ed v\u00e0 ph\u00e1t s\u00e1ng khi d\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua. M\u1ed9t gi\u1ea3 thuy\u1ebft l\u00e0 d\u00e2y t\u00f3c c\u1ee7a Centennial d\u00e0y g\u1ea5p 8 l\u1ea7n so v\u1edbi b\u00f3ng \u0111\u00e8n ng\u00e0y nay, g\u00f3p ph\u1ea7n v\u00e0o \u0111\u1ed9 b\u1ec1n c\u1ee7a n\u00f3. \u00dd ki\u1ebfn kh\u00e1c cho r\u1eb1ng do d\u00e2y t\u00f3c c\u1ee7a b\u00f3ng \u0111\u00e8n kh\u00f4ng n\u00f3ng ch\u00e1y nh\u01b0 d\u00e2y t\u00f3c tungsten m\u1ecfng hi\u1ec7n \u0111\u1ea1i n\u00ean v\u1eabn duy tr\u00ec \u0111\u01b0\u1ee3c \u0111\u1ed9 b\u1ec1n sau th\u1eddi gian d\u00e0i.<\/p>\n<p class=\"Normal\">Theo <em>Popular Science<\/em>, v\u1edbi h\u01a1n m\u1ed9t tri\u1ec7u gi\u1edd chi\u1ebfu s\u00e1ng g\u1ea7n nh\u01b0 li\u00ean t\u1ee5c, Centennial th\u01b0\u1eddng \u0111\u01b0\u1ee3c xem v\u00ed d\u1ee5 v\u1ec1 m\u1ed9t b\u00f3ng \u0111\u00e8n \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t t\u1ed1t v\u00e0 ch\u1eafc ch\u1eafn. Tuy nhi\u00ean, th\u1ef1c t\u1ebf n\u00f3 ch\u1ec9 ti\u00eau th\u1ee5 4 watt \u0111i\u1ec7n v\u00e0 m\u1edd h\u01a1n b\u00f3ng \u0111\u00e8n 4 watt th\u00f4ng th\u01b0\u1eddng do ho\u1ea1t \u0111\u1ed9ng k\u00e9m hi\u1ec7u qu\u1ea3.<\/p>\n<p class=\"Normal\"><strong>An Khang <\/strong><em>t\u1ed5ng h\u1ee3p<\/em><\/p>\n<\/article>\n<hr>\n<p>https:\/\/vnexpress.net\/bong-den-soi-dot-van-phat-sang-sau-125-nam-5105486.html<\/p>\n","protected":false},"excerpt":{"rendered":"<p>B\u00f3ng \u0111\u00e8n s\u1ee3i \u0111\u1ed1t v\u1eabn ph\u00e1t s\u00e1ng sau 125 n\u0103m M\u1ef9B\u00f3ng \u0111\u00e8n Centennial Light \u1edf Livermore, California l\u1eadp k\u1ef7 l\u1ee5c v\u1ec1 \u0111\u1ed9 b\u1ec1n khi ho\u1ea1t \u0111\u1ed9ng g\u1ea7n nh\u01b0 li\u00ean t\u1ee5c t\u1eeb n\u0103m 1901 \u0111\u1ebfn nay. Theo San Francisco Chronicle, b\u00f3ng \u0111\u00e8n mang t\u00ean Centennial Light treo tr\u00ean tr\u1ea7n tr\u1ea1m c\u1ee9u h\u1ecfa s\u1ed1 6 \u1edf Livermore,<\/p>\n","protected":false},"author":1,"featured_media":12962,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-12961","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cong-nghe"],"_links":{"self":[{"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/posts\/12961","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=12961"}],"version-history":[{"count":0,"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/posts\/12961\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/media\/12962"}],"wp:attachment":[{"href":"https:\/\/useful.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=12961"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=12961"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=12961"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}