\u00d4t\u00f4 g\u1eb7p \u0111\u00e8n \u0111\u1ecf th\u00ec ph\u1ea3i d\u1eebng l\u1ea1i. Khi s\u1eeda \u0111\u01b0\u1eddng, \u0111\u00eam \u0111\u1ebfn th\u00ec nh\u1eefng ch\u1ed7 s\u1eeda ch\u1eefa \u0111\u1ec1u ph\u1ea3i b\u1eadt \u0111\u00e8n \u0111\u1ecf. \u0110\u00e8n \u0111\u1ecf c\u00f2n \u0111\u01b0\u1ee3c d\u00f9ng l\u00e0m \u0111\u00e8n b\u00e1o hi\u1ec7u tr\u00ean c\u1eeda an to\u00e0n c\u1ee7a r\u1ea1p chi\u1ebfu b\u00f3ng, tr\u00ean th\u00e1p cao v.v.<\/p>\n\n\n\n
V\u00ec sao ph\u1ea3i b\u1eadt \u0111\u00e8n \u0111\u1ecf nh\u1ec9? C\u00f3 ph\u1ea3i l\u00e0 v\u00ec \u00e1nh s\u00e1ng \u0111\u1ecf r\u1ef1c r\u1ee1, h\u1ebft s\u1ee9c t\u01b0\u01a1i \u0111\u1eb9p ch\u0103ng? Kh\u00f4ng ph\u1ea3i \u0111\u00e2u, b\u00ean trong \u0111\u00f3 c\u00f2n h\u00e0m ch\u1ee9a nguy\u00ean l\u00ed quang h\u1ecdc quan tr\u1ecdng n\u1eefa \u0111\u1ea5y!<\/p>\n\n\n\n
Ch\u00fang ta bi\u1ebft r\u1eb1ng, trong \u00e1nh s\u00e1ng tr\u1eafng g\u1ed3m c\u00f3 b\u1ea3y lo\u1ea1i \u00e1nh s\u00e1ng m\u00e0u: \u0111\u1ecf, da cam, v\u00e0ng, l\u1ee5c, lam, ch\u00e0m, t\u00edm. \u00c1nh s\u00e1ng m\u00e0u kh\u00e1c nhau th\u00ec b\u01b0\u1edbc s\u00f3ng c\u0169ng kh\u00e1c nhau. Trong \u0111\u00f3, b\u01b0\u1edbc s\u00f3ng c\u1ee7a \u00e1nh s\u00e1ng \u0111\u1ecf d\u00e0i nh\u1ea5t, n\u00f3 c\u00f3 th\u1ec3 xuy\u00ean qua nh\u1eefng h\u1ea1t li ti nh\u1ecf x\u00edu nh\u01b0 h\u1ea1t m\u01b0a, h\u1ea1t b\u1ee5i, h\u1ea1t s\u01b0\u01a1ng m\u00f9 v.v. B\u01b0\u1edbc s\u00f3ng c\u1ee7a \u00e1nh s\u00e1ng t\u00edm ng\u1eafn nh\u1ea5t, n\u0103ng l\u1ef1c xuy\u00ean th\u1ea5u c\u0169ng t\u01b0\u01a1ng \u0111\u1ed1i nh\u1ecf. Khi \u00e1nh s\u00e1ng chi\u1ebfu \u0111\u1ebfn nh\u1eefng h\u1ea1t li ti th\u00ec s\u1ebd x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng t\u00e1n x\u1ea1, t\u1ee9c l\u00e0 l\u1ec7ch kh\u1ecfi b\u01b0\u1edbc \u0111i ban \u0111\u1ea7u m\u00e0 ph\u00e2n t\u00e1n ra. \u00c1nh s\u00e1ng c\u00f3 b\u01b0\u1edbc s\u00f3ng kh\u00e1c nhau th\u00ec t\u00ecnh h\u00ecnh t\u00e1n x\u1ea1 c\u0169ng kh\u00e1c nhau. \u00c1nh s\u00e1ng c\u00f3 b\u01b0\u1edbc s\u00f3ng t\u01b0\u01a1ng \u0111\u1ed1i ng\u1eafn, nh\u01b0 \u00e1nh s\u00e1ng t\u00edm, ch\u00e0m v.v. \u0111\u1ec1u r\u1ea5t d\u1ec5 b\u1ecb t\u00e1n x\u1ea1 ra, \u00edt c\u00f3 tia s\u00e1ng xuy\u00ean \u0111\u01b0\u1ee3c qua h\u1ea1t li ti. C\u00f2n \u00e1nh s\u00e1ng \u0111\u1ecf c\u00f3 b\u01b0\u1edbc s\u00f3ng t\u01b0\u01a1ng \u0111\u1ed1i d\u00e0i kh\u00f3 b\u1ecb t\u00e1n x\u1ea1, c\u00f3 nhi\u1ec1u tia s\u00e1ng xuy\u00ean \u0111\u01b0\u1ee3c qua c\u00e1c h\u1ea1t li ti. Cho n\u00ean, trong th\u1eddi ti\u1ebft c\u00f3 s\u01b0\u01a1ng m\u00f9, ch\u00fang ta th\u1ea5y M\u1eb7t Tr\u1eddi \u0111\u1ecf l\u00f2m. \u0110\u1ee9ng sau k\u00ednh m\u1edd nh\u00ecn \u00e1nh \u0111\u00e8n c\u0169ng th\u1ea5y n\u00f3 \u0111\u1ecf qu\u1ea1ch.<\/p>\n\n\n\n
Ch\u00ednh v\u00ec \u00e1nh s\u00e1ng \u0111\u1ecf kh\u00f4ng d\u1ec5 b\u1ecb t\u00e1n x\u1ea1, c\u00f3 n\u0103ng l\u1ef1c xuy\u00ean th\u1ea5u r\u1ea5t m\u1ea1nh, n\u00ean n\u00f3 \u0111\u01b0\u1ee3c d\u00f9ng r\u1ed9ng r\u00e3i l\u00e0m t\u00edn hi\u1ec7u c\u1ea3nh b\u00e1o nguy hi\u1ec3m. Ngay c\u1ea3 c\u00e1i \u0111\u00e8n \u0111u\u00f4i sau xe \u0111\u1ea1p c\u0169ng l\u00e0 m\u00e0u \u0111\u1ecf, \u0111\u1ec3 cho ng\u01b0\u1eddi \u0111\u1eb1ng sau nh\u1eadn bi\u1ebft ph\u00eda tr\u01b0\u1edbc \u0111ang c\u00f3 xe, tr\u00e1nh x\u1ea3y ra s\u1ef1 c\u1ed1 giao th\u00f4ng.<\/p>\n\n\n\n
T\u1eeb kho\u00e1: \u00c1nh s\u00e1ng \u0111\u1ecf; N\u0103ng l\u1ef1c xuy\u00ean th\u1ea5u; T\u00e1n x\u1ea1.<\/p>\n\n\n\n
<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
\u00d4t\u00f4 g\u1eb7p \u0111\u00e8n \u0111\u1ecf th\u00ec ph\u1ea3i d\u1eebng l\u1ea1i. Khi s\u1eeda \u0111\u01b0\u1eddng, \u0111\u00eam \u0111\u1ebfn th\u00ec nh\u1eefng ch\u1ed7 s\u1eeda ch\u1eefa \u0111\u1ec1u ph\u1ea3i b\u1eadt \u0111\u00e8n \u0111\u1ecf. \u0110\u00e8n \u0111\u1ecf c\u00f2n \u0111\u01b0\u1ee3c d\u00f9ng l\u00e0m \u0111\u00e8n b\u00e1o hi\u1ec7u tr\u00ean c\u1eeda an to\u00e0n c\u1ee7a r\u1ea1p chi\u1ebfu b\u00f3ng, tr\u00ean th\u00e1p cao v.v. V\u00ec sao ph\u1ea3i b\u1eadt \u0111\u00e8n \u0111\u1ecf nh\u1ec9? C\u00f3 ph\u1ea3i l\u00e0 v\u00ec […]<\/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-5808","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\/5808","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=5808"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/5808\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=5808"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=5808"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=5808"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}