Lo\u00e0i ki\u1ebfn s\u1ed1ng cu\u1ed9c s\u1ed1ng theo \u0111\u00e0n, ch\u00fang \u0111\u1ec1u c\u00f3 “nh\u00e0” c\u1ee7a ch\u00ednh m\u00ecnh. V\u00e0o th\u1eddi ti\u1ebft n\u1eafng \u1ea5m, ch\u00fang th\u01b0\u1eddng ph\u1ea3i ra ngo\u00e0i t\u00ecm ki\u1ebfm th\u1ee9c \u0103n, c\u00f3 khi ph\u1ea3i \u0111i \u0111\u01b0\u1eddng r\u1ea5t xa. T\u1eeb n\u01a1i r\u1ea5t xa l\u1ea1i t\u00ecm v\u1ec1 \u0111\u01b0\u1ee3c “nh\u00e0” c\u1ee7a ch\u00ednh m\u00ecnh, th\u1eadt kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t chuy\u1ec7n \u0111\u01a1n gi\u1ea3n, nh\u01b0ng con ki\u1ebfn b\u00e9 nh\u1ecf l\u1ea1i c\u00f3 m\u1ed9t b\u1ea3n n\u0103ng t\u00ecm \u0111\u01b0\u1eddng r\u1ea5t gi\u1ecfi, kh\u00f3 m\u00e0 b\u1ecb l\u1ea1c \u0111\u01b0\u1eddng \u0111\u01b0\u1ee3c. C\u00e1c nh\u00e0 khoa h\u1ecdc khi nghi\u00ean c\u1ee9u v\u1ec1 lo\u00e0i ki\u1ebfn, \u0111\u00e3 ph\u00e1t hi\u1ec7n ra th\u1ecb gi\u00e1c c\u1ee7a ki\u1ebfn r\u1ea5t nhanh nh\u1ea1y, kh\u00f4ng nh\u1eefng c\u1ea3nh v\u1eadt tr\u00ean \u0111\u01b0\u1eddng \u0111\u01b0\u1ee3c ch\u00fang d\u00f9ng \u0111\u1ec3 nh\u1eadn bi\u1ebft \u0111\u01b0\u1eddng \u0111i, m\u00e0 c\u00f2n c\u1ea3 c\u1ea3nh v\u1eadt tr\u00ean b\u1ea7u tr\u1eddi c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ch\u00fang d\u00f9ng \u0111\u1ec3 nh\u1eadn bi\u1ebft \u0111\u01b0\u1eddng \u0111i. C\u00f3 ng\u01b0\u1eddi \u0111\u00e3 l\u00e0m m\u1ed9t cu\u1ed9c th\u1eed nghi\u1ec7m nh\u01b0 sau: nh\u00e2n l\u00fac m\u1ed9t \u0111\u00e0n ki\u1ebfn \u0111ang tr\u00ean \u0111\u01b0\u1eddng v\u1ec1 t\u1ed5, d\u00f9ng m\u1ed9t b\u00ecnh phong h\u00ecnh \u1ed1ng nh\u1ed1t ch\u00fang l\u1ea1i, l\u00e0m cho ch\u00fang kh\u00f4ng th\u1ec3 nh\u00ecn \u0111\u01b0\u1ee3c c\u1ea3nh v\u1eadt xung quanh, ch\u1ec9 c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y b\u1ea7u tr\u1eddi, k\u1ebft qu\u1ea3 l\u00e0 \u0111\u00e0n ki\u1ebfn b\u00f2 v\u1eabn \u0111\u00fang \u0111\u01b0\u1eddng. Sau \u0111\u00f3, ng\u01b0\u1eddi ta l\u1ea1i d\u00f9ng m\u1ed9t t\u1ea5m ngang ch\u1eb7n ph\u00eda tr\u00ean c\u1ee7a \u0111\u00e0n ki\u1ebfn v\u1ec1 t\u1ed5, ngo\u00e0i ra \u0111\u1eb7t r\u1ea5t th\u1ea5p, l\u00e0m cho ch\u00fang kh\u00f4ng th\u1ec3 nh\u00ecn th\u1ea5y c\u1ea3nh v\u1eadt c\u1ee7a b\u1ea7u tr\u1eddi v\u00e0 xung quanh, l\u00fac n\u00e0y ch\u00fang b\u1eaft \u0111\u1ea7u b\u00f2 lo\u1ea1n l\u00ean. Do v\u1eady, c\u00f3 th\u1ec3 th\u1ea5y r\u1eb1ng, v\u1ecb tr\u00ed c\u1ee7a M\u1eb7t Tr\u1eddi v\u00e0 \u00e1nh s\u00e1ng tr\u00ean tr\u1eddi ph\u1ea3n x\u1ea1 xu\u1ed1ng, \u0111\u1ed1i v\u1edbi ki\u1ebfn m\u00e0 n\u00f3i \u0111\u1ec1u c\u00f3 th\u1ec3 d\u00f9ng \u0111\u1ec3 nh\u1eadn bi\u1ebft \u0111\u01b0\u1ee3c h\u01b0\u1edbng ch\u00fang v\u1ec1 t\u1ed5.<\/p>\n\n\n\n
Ngo\u00e0i d\u1ef1a v\u00e0o m\u1eaft ra, ki\u1ebfn c\u00f2n c\u00f3 th\u1ec3 c\u0103n c\u1ee9 v\u00e0o m\u00f9i \u0111\u1ec3 nh\u1eadn bi\u1ebft. Cu\u1ed9c th\u1eed nghi\u1ec7m \u0111\u00e3 ch\u1ee9ng minh r\u1eb1ng, c\u00f3 m\u1ed9t s\u1ed1 lo\u00e0i ki\u1ebfn l\u01b0u l\u1ea1i m\u1ed9t lo\u1ea1i m\u00f9i tr\u00ean m\u1eb7t \u0111\u1ea5t ch\u00fang b\u00f2 qua, tr\u00ean \u0111\u01b0\u1eddng v\u1ec1 ch\u1ec9 c\u1ea7n theo m\u00f9i n\u00e0y th\u00ec kh\u00f4ng th\u1ec3 nh\u1ea7m \u0111\u01b0\u1eddng \u0111\u01b0\u1ee3c. Tr\u00ean \u0111\u01b0\u1eddng m\u00e0 lo\u00e0i ki\u1ebfn n\u00e0y b\u00f2 qua, n\u1ebfu nh\u01b0 d\u00f9ng ng\u00f3n tay v\u1ea1ch ngang m\u1ed9t \u0111\u01b0\u1eddng, ph\u00e1 h\u1ecfng s\u1ef1 n\u1ed1i ti\u1ebfp c\u1ee7a m\u00f9i, v\u1eady th\u00ec \u0111\u00e3 l\u00e0m cho ch\u00fang l\u1ea1c h\u01b0\u1edbng trong th\u1eddi gian ng\u1eafn. C\u0169ng c\u00f3 lo\u00e0i ki\u1ebfn, tuy kh\u00f4ng th\u1ec3 l\u01b0u l\u1ea1i m\u00f9i g\u00ec \u0111\u1eb7c bi\u1ec7t tr\u00ean \u0111\u01b0\u1eddng ch\u00fang b\u00f2 qua, nh\u01b0ng ch\u00fang r\u1ea5t quen thu\u1ed9c \u0111\u1ed1i v\u1edbi m\u00f9i c\u1ee7a thi\u00ean nhi\u00ean chung quanh \u0111\u01b0\u1eddng, b\u1edfi v\u1eady c\u0169ng s\u1ebd kh\u00f4ng b\u1ecb l\u1ea1c \u0111\u01b0\u1eddng.<\/p>\n\n\n\n
Do ki\u1ebfn c\u00f3 kh\u1ea3 n\u0103ng t\u00ecm \u0111\u01b0\u1eddng nh\u01b0 tr\u00ean, cho d\u00f9 khi m\u00e2y bao ph\u1ee7 d\u00e0y \u0111\u1eb7c, tr\u1eddi xanh b\u1ecb che l\u1ea5p, hay khi m\u00f9i tr\u00ean m\u1eb7t \u0111\u1ea5t b\u1ecb c\u00e1c \u0111\u1ed9ng v\u1eadt l\u1edbn d\u1eabm h\u1ecfng, ch\u1ec9 c\u1ea7n c\u00f2n gi\u1eef \u0111\u01b0\u1ee3c m\u1ed9t s\u1ed1 \u0111\u1ea7u m\u1ed1i c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng th\u00ec c\u0169ng v\u1eabn c\u00f3 th\u1ec3 t\u00ecm \u0111\u01b0\u1ee3c v\u1ec1 t\u1ed5 ki\u1ebfn, ch\u1ec9 l\u00e0 l\u1ea1i ph\u1ea3i \u0111i th\u00eam m\u1ed9t s\u1ed1 \u0111\u01b0\u1eddng v\u00f2ng m\u00e0 th\u00f4i.<\/p>\n","protected":false},"excerpt":{"rendered":"
Lo\u00e0i ki\u1ebfn s\u1ed1ng cu\u1ed9c s\u1ed1ng theo \u0111\u00e0n, ch\u00fang \u0111\u1ec1u c\u00f3 “nh\u00e0” c\u1ee7a ch\u00ednh m\u00ecnh. V\u00e0o th\u1eddi ti\u1ebft n\u1eafng \u1ea5m, ch\u00fang th\u01b0\u1eddng ph\u1ea3i ra ngo\u00e0i t\u00ecm ki\u1ebfm th\u1ee9c \u0103n, c\u00f3 khi ph\u1ea3i \u0111i \u0111\u01b0\u1eddng r\u1ea5t xa. T\u1eeb n\u01a1i r\u1ea5t xa l\u1ea1i t\u00ecm v\u1ec1 \u0111\u01b0\u1ee3c “nh\u00e0” c\u1ee7a ch\u00ednh m\u00ecnh, th\u1eadt kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t chuy\u1ec7n \u0111\u01a1n gi\u1ea3n, […]<\/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":[15,10],"tags":[],"class_list":["post-8367","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-sinh-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8367","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=8367"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8367\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=8367"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=8367"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=8367"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}