{"id":1169,"date":"2020-11-24T21:06:58","date_gmt":"2020-11-24T14:06:58","guid":{"rendered":"http:\/\/weathervn.com\/?p=1169"},"modified":"2020-11-24T21:06:58","modified_gmt":"2020-11-24T14:06:58","slug":"tai-sao-chung-ta-nghe-am-thanh-ro-hon-khi-troi-lanh-mua-hoac-co-tuyet","status":"publish","type":"post","link":"https:\/\/vietweather.com\/index.php\/tai-sao-chung-ta-nghe-am-thanh-ro-hon-khi-troi-lanh-mua-hoac-co-tuyet\/","title":{"rendered":"T\u1ea1i sao ch\u00fang ta nghe \u00e2m thanh r\u00f5 h\u01a1n khi tr\u1eddi l\u1ea1nh, m\u01b0a ho\u1eb7c c\u00f3 tuy\u1ebft?"},"content":{"rendered":"<p>T\u1ea1i sao ch\u00fang ta nghe \u00e2m thanh r\u00f5 h\u01a1n khi tr\u1eddi l\u1ea1nh, m\u01b0a ho\u1eb7c c\u00f3 tuy\u1ebft?<\/p>\n<p>Here&#8217;s Why Sound Carries Farther on Cold Days<\/p>\n<p>Can what you hear help you predict the weather?<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>\u0110\u00e3 c\u00f3 bao gi\u1edd anh em ch\u1ea1y xe m\u00e1y khi m\u1edbi m\u01b0a xong m\u00e0 nghe ti\u1ebfng c\u00f2i xe to h\u01a1n, r\u00f5 h\u01a1n b\u00ecnh th\u01b0\u1eddng ch\u01b0a? M\u00ecnh c\u0169ng g\u1eb7p tr\u01b0\u1eddng h\u1ee3p n\u00e0y nhi\u1ec1u l\u1ea7n v\u00e0 m\u00ecnh ngh\u0129 r\u1eb1ng tr\u1eddi m\u00e1t th\u00ec s\u1ea1c xe ch\u1ea1y hi\u1ec7u qu\u1ea3 h\u01a1n, \u0111i\u1ec7n \u1eafc-quy m\u1ea1nh h\u01a1n -&gt; c\u00f2i xe nghe to h\u01a1n. Tuy nhi\u00ean tr\u00ean th\u1ef1c t\u1ebf kh\u00f4ng ph\u1ea3i v\u1eady m\u00e0 \u0111\u00e2y l\u00e0 m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng v\u1eadt l\u00fd th\u00fa v\u1ecb.<\/p>\n<p>Anh em c\u0169ng bi\u1ebft l\u00e0\u00a0<a class=\"Tinhte_XenTag_TagLink\" href=\"https:\/\/tinhte.vn\/tags\/am-thanh\/\">\u00e2m thanh<\/a>\u00a0truy\u1ec1n \u0111i v\u1edbi v\u1eadn t\u1ed1c ~ 343m\/s b\u1eb1ng c\u00e1ch dao \u0111\u1ed9ng c\u00e1c h\u1ea1t ph\u00e2n t\u1eed trong kh\u00f4ng kh\u00ed. Khi tr\u1eddi m\u1edbi m\u01b0a xong, l\u00fac n\u00e0y \u0111\u1ed9 \u1ea9m trong kh\u00f4ng kh\u00ed cao h\u01a1n b\u00ecnh th\u01b0\u1eddng, t\u1ee9c l\u00e0 m\u1eadt \u0111\u1ed9 ph\u00e2n t\u1eed H2O trong kh\u00f4ng kh\u00ed nhi\u1ec1u h\u01a1n, d\u00e0y \u0111\u1eb7c h\u01a1n, ch\u00ednh nh\u1edd v\u1eady m\u00e0 \u00e2m thanh s\u1ebd truy\u1ec1n<b>\u00a0nhanh h\u01a1n\u00a0<\/b>b\u00ecnh th\u01b0\u1eddng m\u1ed9t ch\u00fat. Kh\u00f4ng ch\u1ec9 m\u1edbi m\u01b0a xong, m\u00e0 nh\u1eefng ng\u00e0y c\u00f3 s\u01b0\u01a1ng m\u00f9 ho\u1eb7c tuy\u1ebft r\u01a1i, \u00e2m thanh c\u0169ng s\u1ebd truy\u1ec1n \u0111\u01b0\u1ee3c t\u1ed1t h\u01a1n b\u00ecnh th\u01b0\u1eddng.<\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-medium wp-image-1171\" src=\"http:\/\/weathervn.com\/wp-content\/uploads\/2020\/11\/5236564_troi-mua-xong-300x167.jpg\" alt=\"\" width=\"300\" height=\"167\" srcset=\"https:\/\/vietweather.com\/wp-content\/uploads\/2020\/11\/5236564_troi-mua-xong-300x167.jpg 300w, https:\/\/vietweather.com\/wp-content\/uploads\/2020\/11\/5236564_troi-mua-xong-1024x569.jpg 1024w, https:\/\/vietweather.com\/wp-content\/uploads\/2020\/11\/5236564_troi-mua-xong-768x427.jpg 768w, https:\/\/vietweather.com\/wp-content\/uploads\/2020\/11\/5236564_troi-mua-xong.jpg 1200w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>V\u1eadn t\u1ed1c \u00e2m thanh kh\u00f4ng ph\u1ea3i l\u00e0 h\u1eb1ng s\u1ed1 343m\/s m\u00e0 n\u00f3 s\u1ebd thay \u0111\u1ed5i t\u00f9y theo m\u00f4i tr\u01b0\u1eddng, v\u00ed d\u1ee5 \u00e2m thanh truy\u1ec1n trong n\u01b0\u1edbc, ch\u1ea5t r\u1eafn nhanh h\u01a1n truy\u1ec1n trong kh\u00f4ng kh\u00ed. V\u00e0o nh\u1eefng ng\u00e0y l\u1ea1nh ho\u1eb7c khi m\u1edbi m\u01b0a xong, nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng gi\u1ea3m xu\u1ed1ng, theo hi\u1ec7n t\u01b0\u1ee3ng v\u1eadt l\u00fd th\u00ec kh\u00f4ng kh\u00ed n\u00f3ng bay l\u00ean cao c\u00f2n kh\u00f4ng kh\u00ed c\u00e0ng l\u1ea1nh th\u00ec c\u00e0ng g\u1ea7n m\u1eb7t \u0111\u1ea5t.<\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-medium wp-image-1172\" src=\"http:\/\/weathervn.com\/wp-content\/uploads\/2020\/11\/5236563_sound-weather-300x199.jpg\" alt=\"\" width=\"300\" height=\"199\" srcset=\"https:\/\/vietweather.com\/wp-content\/uploads\/2020\/11\/5236563_sound-weather-300x199.jpg 300w, https:\/\/vietweather.com\/wp-content\/uploads\/2020\/11\/5236563_sound-weather.jpg 600w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>L\u01b0\u1ee3ng kh\u00f4ng kh\u00ed v\u00e0 \u0111\u1ed9 \u1ea9m cao g\u1ea7n m\u1eb7t \u0111\u1ea5t s\u1ebd l\u00e0m ph\u1ea3n x\u1ea1 \u00e2m thanh, h\u1ea1n ch\u1ebf n\u00f3 b\u1ecb khu\u1ebfch t\u00e1n theo chi\u1ec1u d\u1ecdc (l\u00ean tr\u1eddi) m\u00e0 \u00e2m thanh s\u1ebd \u0111i theo ph\u01b0\u01a1ng ngang t\u1ed1t h\u01a1n, ch\u00ednh v\u00ec v\u1eady m\u00e0 anh em s\u1ebd nghe \u00e2m thanh to h\u01a1n, r\u00f5 h\u01a1n so v\u1edbi b\u00ecnh th\u01b0\u1eddng.<\/p>\n<p>T\u01b0\u01a1ng t\u1ef1, nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng c\u0169ng c\u00f3 \u1ea3nh h\u01b0\u1edfng t\u1edbi t\u1ed1c \u0111\u1ed9 c\u1ee7a \u00e2m thanh. Tr\u1eddi c\u00e0ng n\u00f3ng th\u00ec \u00e2m thanh \u0111i\u00a0<b>c\u00e0ng nhanh\u00a0<\/b>v\u00ec l\u00fac n\u00e0y t\u1ed1c \u0111\u1ed9 c\u00e1c ph\u00e2n t\u1eed chuy\u1ec3n \u0111\u1ed9ng s\u1ebd nhanh h\u01a1n so v\u1edbi b\u00ecnh th\u01b0\u1eddng. \u1ede m\u00f4i tr\u01b0\u1eddng n\u00f3ng 100 \u0111\u1ed9 C,\u00a0<a class=\"Tinhte_XenTag_TagLink\" href=\"https:\/\/tinhte.vn\/tags\/toc-do-am-thanh\/\">t\u1ed1c \u0111\u1ed9 \u00e2m thanh<\/a>\u00a0c\u00f3 th\u1ec3 \u0111\u1ea1t g\u1ea7n 390m\/s.<\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-medium wp-image-1173\" src=\"http:\/\/weathervn.com\/wp-content\/uploads\/2020\/11\/5236567_SpeedVsTemperatureGraph-300x285.jpg\" alt=\"\" width=\"300\" height=\"285\" srcset=\"https:\/\/vietweather.com\/wp-content\/uploads\/2020\/11\/5236567_SpeedVsTemperatureGraph-300x285.jpg 300w, https:\/\/vietweather.com\/wp-content\/uploads\/2020\/11\/5236567_SpeedVsTemperatureGraph.jpg 305w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>Ch\u00ednh nh\u1edd hi\u1ec7n t\u01b0\u1ee3ng v\u1eadt l\u00fd k\u1ef3 th\u00fa n\u00e0y m\u00e0 nh\u1eefng l\u00fac tr\u1eddi s\u1eafp m\u01b0a ho\u1eb7c s\u1eafp b\u00e3o, ch\u00fang ta c\u00f3 th\u1ec3 nghe th\u1ea5y \u00e2m thanh c\u1ee7a t\u00e0u l\u1eeda, ti\u1ebfng chu\u00f4ng ch\u00f9a, ti\u1ebfng chim h\u00f3t \u1edf xa h\u01a1n, r\u00f5 h\u01a1n, t\u1ee9c l\u00e0 ch\u00fang ta c\u00f3 th\u1ec3\u00a0<a class=\"Tinhte_XenTag_TagLink\" href=\"https:\/\/tinhte.vn\/tags\/du-bao-thoi-tiet\/\">d\u1ef1 b\u00e1o th\u1eddi ti\u1ebft<\/a>\u00a0s\u1eafp thay \u0111\u1ed5i khi nghe th\u1ea5y \u00e2m thanh vang xa h\u01a1n v\u00e0 r\u00f5 h\u01a1n so v\u1edbi l\u00fac b\u00ecnh th\u01b0\u1eddng.<\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-medium wp-image-1174\" src=\"http:\/\/weathervn.com\/wp-content\/uploads\/2020\/11\/5236562_du-bao-thoi-tiet-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"https:\/\/vietweather.com\/wp-content\/uploads\/2020\/11\/5236562_du-bao-thoi-tiet-300x225.jpg 300w, https:\/\/vietweather.com\/wp-content\/uploads\/2020\/11\/5236562_du-bao-thoi-tiet-768x576.jpg 768w, https:\/\/vietweather.com\/wp-content\/uploads\/2020\/11\/5236562_du-bao-thoi-tiet.jpg 1024w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>Links:<\/p>\n<ul>\n<li>https:\/\/tinhte.vn\/thread\/tai-sao-chung-ta-nghe-am-thanh-ro-hon-khi-troi-lanh-mua-hoac-co-tuyet.3227801\/<\/li>\n<li>https:\/\/www.discovery.com\/science\/Sound-Carries-Farther-Cold-Days<\/li>\n<li>https:\/\/www.farmersalmanac.com\/can-what-you-hear-help-you-predict-the-weather-10788<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>T\u1ea1i sao ch\u00fang ta nghe \u00e2m thanh r\u00f5 h\u01a1n khi tr\u1eddi l\u1ea1nh, m\u01b0a ho\u1eb7c c\u00f3 tuy\u1ebft? Here&#8217;s Why Sound Carries Farther on Cold Days Can what you hear help you predict the weather? &nbsp; &nbsp; &nbsp; \u0110\u00e3 c\u00f3 bao gi\u1edd anh em ch\u1ea1y xe m\u00e1y khi m\u1edbi m\u01b0a xong m\u00e0 nghe ti\u1ebfng c\u00f2i xe to [&#8230;]\n","protected":false},"author":1,"featured_media":1170,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1,35,38],"tags":[],"_links":{"self":[{"href":"https:\/\/vietweather.com\/index.php\/wp-json\/wp\/v2\/posts\/1169"}],"collection":[{"href":"https:\/\/vietweather.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vietweather.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vietweather.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/vietweather.com\/index.php\/wp-json\/wp\/v2\/comments?post=1169"}],"version-history":[{"count":1,"href":"https:\/\/vietweather.com\/index.php\/wp-json\/wp\/v2\/posts\/1169\/revisions"}],"predecessor-version":[{"id":1175,"href":"https:\/\/vietweather.com\/index.php\/wp-json\/wp\/v2\/posts\/1169\/revisions\/1175"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vietweather.com\/index.php\/wp-json\/wp\/v2\/media\/1170"}],"wp:attachment":[{"href":"https:\/\/vietweather.com\/index.php\/wp-json\/wp\/v2\/media?parent=1169"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vietweather.com\/index.php\/wp-json\/wp\/v2\/categories?post=1169"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vietweather.com\/index.php\/wp-json\/wp\/v2\/tags?post=1169"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}