B\u1eadt ra\u0111i\u00f4 ho\u1eb7c tivi, ch\u00fang ta li\u1ec1n nghe \u0111\u01b0\u1ee3c ho\u1eb7c nh\u00ecn th\u1ea5y c\u00e1c ti\u1ebft m\u1ee5c hay. \u0110\u00f3 l\u00e0 v\u00ec c\u00f3 s\u00f3ng \u0111i\u1ec7n t\u1eeb do \u0111\u00e0i ph\u00e1t thanh v\u00e0 \u0111\u00e0i truy\u1ec1n h\u00ecnh ph\u00e1t x\u1ea1 v\u00e0o kh\u00f4ng gian xung quanh, \u0111\u01b0a t\u00edn hi\u1ec7u c\u1ee7a ti\u1ebft m\u1ee5c \u0111\u1ebfn ng\u00e0n nh\u00e0 v\u1ea1n h\u1ed9 gia \u0111\u00ecnh. \u0110i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng kh\u00f4ng c\u00f3 d\u00e2y m\u00e0 c\u0169ng c\u00f3 th\u1ec3 tr\u00f2 chuy\u1ec7n v\u1edbi nhau. \u0110\u00f3 c\u0169ng l\u00e0 nh\u1edd c\u00f3 s\u00f3ng \u0111i\u1ec7n t\u1eeb. Ngo\u00e0i nh\u1eefng th\u1ee9 \u0111\u00f3 ra, c\u00f2n c\u00f3 r\u1ea5t nhi\u1ec1u thi\u1ebft b\u1ecb nh\u01b0: ra \u0111a, m\u00e1y h\u00e0n cao t\u1ea7n v\u00e0 thi\u1ebft b\u1ecb luy\u1ec7n cao t\u1ea7n, thi\u1ebft b\u1ecb x\u1eed l\u00ed nhi\u1ec7t, thi\u1ebft b\u1ecb tr\u1ecb li\u1ec7u s\u00f3ng ng\u1eafn v\u00e0 si\u00eau ng\u1eafn, \u0111un n\u00f3ng b\u1eb1ng vi s\u00f3ng v\u00e0 thi\u1ebft b\u1ecb ph\u00e1t x\u1ea1, \u0111\u1ec1u \u0111ang kh\u00f4ng ng\u1eebng b\u1ee9c x\u1ea1 s\u00f3ng \u0111i\u1ec7n t\u1eeb v\u00e0o kh\u00f4ng gian xung quanh. Tuy b\u1ea1n tuy\u1ec7t nhi\u00ean kh\u00f4ng c\u1ea3m nh\u1eadn \u0111\u01b0\u1ee3c, song ch\u00fang ta qu\u1ea3 th\u1ef1c \u0111ang s\u1ed1ng trong m\u00f4i tr\u01b0\u1eddng \u0111\u1ea7y r\u1eaby s\u00f3ng \u0111i\u1ec7n t\u1eeb.<\/p>\n\n\n\n
\u0110\u1ed3ng th\u1eddi v\u1edbi vi\u1ec7c mang l\u1ea1i cho con ng\u01b0\u1eddi s\u1ef1 ti\u1ec7n l\u1ee3i l\u1edbn lao, s\u00f3ng \u0111i\u1ec7n t\u1eeb c\u0169ng kh\u00f4ng tr\u00e1nh \u0111\u01b0\u1ee3c g\u00e2y n\u00ean m\u1ed9t s\u1ed1 nguy h\u1ea1i. V\u00ed d\u1ee5 nh\u01b0 t\u1ea1p \u00e2m s\u00f3ng \u0111i\u1ec7n t\u1eeb c\u00f3 th\u1ec3 l\u00e0m nhi\u1ec5u thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed, \u0111\u1ed3ng h\u1ed3 v\u00e0 kh\u00ed c\u1ee5 \u0111i\u1ec7n, g\u00e2y n\u00ean sai s\u00f3t th\u00f4ng tin, \u0111i\u1ec1u khi\u1ec3n kh\u00f3 kh\u0103n. Khi ch\u00fang ta xem tivi, g\u1eb7p ph\u1ea3i hi\u1ec7n t\u01b0\u1ee3ng h\u00ecnh \u1ea3nh rung rinh v\u00e0 “\u0111\u1ed1m tr\u1eafng”, th\u01b0\u1eddng l\u00e0 v\u00ec b\u1ecb nhi\u1ec5u c\u1ee7a s\u00f3ng \u0111i\u1ec7n t\u1eeb g\u1ea7n k\u1ec1. Nhi\u1ec5u c\u1ee7a s\u00f3ng \u0111i\u1ec7n t\u1eeb c\u00f2n c\u00f3 th\u1ec3 g\u00e2y n\u00ean nh\u1eefng h\u1eadu qu\u1ea3 nghi\u00eam tr\u1ecdng h\u01a1n. V\u00ed d\u1ee5 nh\u01b0 t\u1ea1o th\u00e0nh l\u1ea7m l\u1ea1c c\u1ee7a t\u00edn hi\u1ec7u \u0111i\u1ec1u khi\u1ec3n \u0111\u01b0\u1eddng s\u1eaft, d\u1eabn t\u1edbi s\u1ef1 c\u1ed1 v\u1eadn h\u00e0nh c\u1ee7a \u0111\u1ea7u m\u00e1y; n\u1ebfu t\u1ea1o th\u00e0nh l\u1ea7m l\u1ea1c c\u1ee7a t\u00edn hi\u1ec7u ch\u1ec9 th\u1ecb \u0111\u01b0\u1eddng bay s\u1ebd d\u1eabn t\u1edbi s\u1ef1 m\u1ea5t \u0111i\u1ec1u khi\u1ec3n c\u1ee7a m\u00e1y bay, t\u00ean l\u1eeda, v\u1ec7 tinh nh\u00e2n t\u1ea1o v.v.<\/p>\n\n\n\n
B\u1ee9c x\u1ea1 \u0111i\u1ec7n t\u1eeb c\u00f2n tr\u1ef1c ti\u1ebfp \u0111e do\u1ea1 s\u1ee9c kho\u1ebb con ng\u01b0\u1eddi. Vi s\u00f3ng l\u00e0 m\u1ed9t lo\u1ea1i s\u00f3ng \u0111i\u1ec7n t\u1eeb. L\u00f2 vi s\u00f3ng d\u00f9ng vi s\u00f3ng chi\u1ebfu r\u1ecdi th\u1ef1c ph\u1ea9m, \u0111un n\u00f3ng, n\u1ea5u ch\u00edn th\u1ef1c ph\u1ea9m. Qua \u0111\u00f3 ta th\u1ea5y, n\u1ebfu xung quanh ch\u00fang ta t\u1ed3n t\u1ea1i vi s\u00f3ng, n\u00f3 chi\u1ebfu r\u1ecdi l\u00ean th\u00e2n th\u1ec3 ch\u00fang ta, c\u01a1 th\u1ec3 \u0111\u00f3 c\u0169ng s\u1ebd b\u1ecb “\u0111un n\u00f3ng”, “n\u1ea5u ch\u00edn” kh\u00f4ng ng\u1eebng. \u0110i\u1ec1u \u0111\u00f3 nguy h\u1ea1i bi\u1ebft bao \u0111\u1ed1i v\u1edbi s\u1ee9c kho\u1ebb c\u1ee7a c\u01a1 th\u1ec3! C\u00e1c k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u \u0111\u1ec1u ch\u1ee9ng t\u1ecf, n\u1ebfu b\u1ecb b\u1ee9c x\u1ea1 \u0111i\u1ec7n t\u1eeb trong th\u1eddi gian d\u00e0i, con ng\u01b0\u1eddi s\u1ebd xu\u1ea5t hi\u1ec7n c\u00e1c tri\u1ec7u ch\u1ee9ng suy nh\u01b0\u1ee3c th\u1ea7n kinh nh\u01b0 b\u1ea3i ho\u1ea3i, gi\u1ea3m tr\u00ed nh\u1edb v.v., c\u00f9ng v\u1edbi c\u00e1c tri\u1ec7u ch\u1ee9ng tim \u0111\u1eadp m\u1ea1nh v\u00e0 lo\u1ea1n nh\u1ecbp, t\u1ee9c ng\u1ef1c, th\u1ecb l\u1ef1c gi\u1ea3m s\u00fat v.v. B\u1ee9c x\u1ea1 \u0111i\u1ec7n t\u1eeb \u0111\u00e3 c\u1ea5u th\u00e0nh m\u1ed1i \u0111e do\u1ea1 l\u1edbn lao \u0111\u1ed1i v\u1edbi m\u00f4i tr\u01b0\u1eddng s\u1ed1ng c\u1ee7a lo\u00e0i ng\u01b0\u1eddi, tr\u1edf th\u00e0nh k\u1ebb ph\u00e1 ho\u1ea1i l\u1edbn m\u00f4i tr\u01b0\u1eddng chung m\u00e0 con ng\u01b0\u1eddi h\u1ebft s\u1ee9c ch\u00fa \u00fd. B\u1ee9c x\u1ea1 \u0111i\u1ec7n t\u1eeb \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t lo\u1ea1i \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng th\u1ef1c s\u1ef1.<\/p>\n\n\n\n
\u0110\u1ec3 kh\u1ed1ng ch\u1ebf \u00f4 nhi\u1ec5m \u0111i\u1ec7n t\u1eeb, T\u1ed5 ch\u1ee9c Y t\u1ebf Th\u1ebf gi\u1edbi v\u00e0 Hi\u1ec7p h\u1ed9i B\u1ea3o v\u1ec7 b\u1ee9c x\u1ea1 Qu\u1ed1c t\u1ebf \u0111\u00e3 ch\u1ebf \u0111\u1ecbnh ra “Quy t\u1eafc v\u1ec7 sinh m\u00f4i tr\u01b0\u1eddng” v\u00e0 ti\u00eau chu\u1ea9n c\u01b0\u1eddng \u0111\u1ed9 b\u1ee9c x\u1ea1 \u0111i\u1ec7n t\u1eeb c\u00f3 li\u00ean quan. B\u1ed9 Y t\u1ebf Trung Qu\u1ed1c c\u0169ng \u0111\u00e3 c\u00f4ng b\u1ed1 “Ti\u00eau chu\u1ea9n v\u1ec7 sinh m\u00f4i tr\u01b0\u1eddng s\u00f3ng \u0111i\u1ec7n t\u1eeb” v\u00e0o th\u00e1ng 12 n\u0103m 1987. \u0110\u1ed1i m\u1eb7t v\u1edbi \u00f4 nhi\u1ec5m \u0111i\u1ec7n t\u1eeb ng\u00e0y c\u00e0ng nghi\u00eam tr\u1ecdng, ch\u00fang ta c\u00f3 bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 n\u00e0o kh\u00f4ng? Bi\u1ec7n ph\u00e1p ch\u1ee7 y\u1ebfu g\u1ed3m: \u0111\u01b0a ngu\u1ed3n \u00f4 nhi\u1ec5m \u0111i\u1ec7n t\u1eeb ra xa khu d\u00e2n c\u01b0 \u0111\u00f4ng \u0111\u00fac, c\u1ea3i ti\u1ebfn c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n, gi\u1ea3m th\u1ea5p r\u00f2 r\u1ec9 \u0111i\u1ec7n t\u1eeb, l\u1eafp \u0111\u1eb7t thi\u1ebft b\u1ecb che ch\u1eafn \u0111i\u1ec7n t\u1eeb, h\u1ea1 th\u1ea5p c\u01b0\u1eddng \u0111\u1ed9 \u0111i\u1ec7n t\u1eeb tr\u01b0\u1eddng v.v.<\/p>\n\n\n\n
Con ng\u01b0\u1eddi l\u1ee3i d\u1ee5ng s\u00f3ng \u0111i\u1ec7n t\u1eeb, c\u0169ng gi\u1ed1ng nh\u01b0 l\u1ee3i d\u1ee5ng c\u00e1c t\u00e0i nguy\u00ean kh\u00e1c, ch\u1ec9 c\u00f3 sau khi \u0111i s\u00e2u t\u00ecm hi\u1ec3u \u0111\u01b0\u1ee3c ch\u00fang, th\u00ec m\u1edbi c\u00f3 th\u1ec3 v\u1eeba b\u1eaft ch\u00fang ph\u1ee5c v\u1ee5 t\u1ed1i \u0111a cho ph\u00fac l\u1ee3i lo\u00e0i ng\u01b0\u1eddi, l\u1ea1i v\u1eeba kh\u00f4ng \u0111\u1ec3 ch\u00fang g\u00e2y nguy h\u1ea1i \u0111\u1ed1i v\u1edbi m\u00f4i tr\u01b0\u1eddng s\u1ed1ng c\u1ee7a nh\u00e2n lo\u1ea1i.<\/p>\n\n\n\n
T\u1eeb kho\u00e1: S\u00f3ng \u0111i\u1ec7n t\u1eeb; \u00d4 nhi\u1ec5m \u0111i\u1ec7n t\u1eeb. \u00d4 nhi\u1ec5m t\u1eeb tr\u01b0\u1eddng<\/p>\n\n\n\n
<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
B\u1eadt ra\u0111i\u00f4 ho\u1eb7c tivi, ch\u00fang ta li\u1ec1n nghe \u0111\u01b0\u1ee3c ho\u1eb7c nh\u00ecn th\u1ea5y c\u00e1c ti\u1ebft m\u1ee5c hay. \u0110\u00f3 l\u00e0 v\u00ec c\u00f3 s\u00f3ng \u0111i\u1ec7n t\u1eeb do \u0111\u00e0i ph\u00e1t thanh v\u00e0 \u0111\u00e0i truy\u1ec1n h\u00ecnh ph\u00e1t x\u1ea1 v\u00e0o kh\u00f4ng gian xung quanh, \u0111\u01b0a t\u00edn hi\u1ec7u c\u1ee7a ti\u1ebft m\u1ee5c \u0111\u1ebfn ng\u00e0n nh\u00e0 v\u1ea1n h\u1ed9 gia \u0111\u00ecnh. \u0110i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[15,7],"tags":[],"class_list":["post-5746","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-vat-ly"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/5746","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=5746"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/5746\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=5746"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=5746"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=5746"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}