N\u1ebfu b\u1ea1n l\u00e0 ng\u01b0\u1eddi hay xem b\u00f3ng \u0111\u00e1, ch\u1eafc ch\u1eafn b\u1ea1n \u0111\u00e3 t\u1eebng th\u1ea5y c\u1ea3nh \u0111\u00e1 ph\u1ea1t tr\u1ef1c ti\u1ebfp tr\u01b0\u1edbc c\u1ea7u m\u00f4n. L\u00fac \u1ea5y, th\u00f4ng th\u01b0\u1eddng l\u00e0 n\u0103m, s\u00e1u c\u1ea7u th\u1ee7 c\u1ee7a ph\u00eda ph\u00f2ng th\u1ee7 l\u1eadp th\u00e0nh m\u1ed9t b\u1ee9c “t\u01b0\u1eddng ng\u01b0\u1eddi” ch\u1eafn tr\u01b0\u1edbc c\u1ea7u m\u00f4n, ng\u0103n \u0111\u01b0\u1eddng b\u00f3ng bay t\u1edbi. C\u1ea7u th\u1ee7 \u0111\u00e1 ph\u1ea1t c\u1ee7a ph\u00eda t\u1ea5n c\u00f4ng nh\u1ea5c ch\u00e2n \u0111\u00e1 m\u1ea1nh m\u1ed9t c\u00e1i, b\u00f3ng v\u00f2ng qua b\u1ee9c “t\u01b0\u1eddng ng\u01b0\u1eddi”, t\u01b0\u1edfng nh\u01b0 bay l\u1ec7ch kh\u1ecfi c\u1ea7u m\u00f4n, nh\u01b0ng l\u1ea1i theo \u0111\u01b0\u1eddng v\u00f2ng cung, qu\u00e0nh m\u1ed9t c\u00e1i, bay th\u1eb3ng v\u00e0o g\u00f4n, l\u00e0m cho th\u1ee7 m\u00f4n kh\u00f4ng k\u1ecbp tr\u1edf tay. \u0110\u00f3 l\u00e0 “\u0111\u01b0\u1eddng b\u00f3ng qu\u1ea3 chu\u1ed1i” r\u1ea5t tuy\u1ec7t di\u1ec7u.<\/p>\n\n\n\n
V\u00ec sao qu\u1ea3 b\u00f3ng khi \u0111\u00e1 c\u00f3 th\u1ec3 bay tr\u00ean kh\u00f4ng theo \u0111\u01b0\u1eddng v\u00f2ng cung nh\u1ec9? Th\u00ec ra, khi \u0111\u00e1 ph\u1ea1t “\u0111\u01b0\u1eddng b\u00f3ng qu\u1ea3 chu\u1ed1i”, b\u00f3ng c\u00f9ng l\u00fac bay th\u1eb3ng trong kh\u00f4ng kh\u00ed, c\u00f2n kh\u00f4ng ng\u1eebng quay quanh m\u00ecnh n\u00f3. L\u00fac \u1ea5y, m\u1ed9t m\u1eb7t kh\u00f4ng kh\u00ed h\u1ee9ng l\u1ea5y b\u00f3ng chuy\u1ec3n \u0111\u1ed9ng ra ph\u00eda sau, m\u1eb7t kh\u00e1c, do l\u1ef1c ma s\u00e1t gi\u1eefa kh\u00f4ng kh\u00ed v\u00e0 b\u00f3ng, kh\u00f4ng kh\u00ed xung quanh qu\u1ea3 b\u00f3ng c\u0169ng b\u1ecb l\u00f4i cu\u1ed1n c\u00f9ng xo\u00e1y tr\u00f2n theo. Nh\u01b0 v\u1eady, t\u1ed1c \u0111\u1ed9 chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a kh\u00f4ng kh\u00ed \u1edf m\u1ed9t ph\u00eda c\u1ee7a b\u00f3ng t\u0103ng nhanh, c\u00f2n t\u1ed1c \u0111\u1ed9 chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a kh\u00f4ng kh\u00ed \u1edf ph\u00eda kia ch\u1eadm l\u1ea1i. Ki\u1ebfn th\u1ee9c v\u1eadt l\u00ed cho ta bi\u1ebft: \u0111\u1ed1i v\u1edbi m\u1ed9t ch\u1ea5t kh\u00ed \u0111ang chuy\u1ec3n \u0111\u1ed9ng, t\u1ed1c \u0111\u1ed9 c\u00e0ng l\u1edbn, \u00e1p su\u1ea5t c\u00e0ng nh\u1ecf. Do t\u1ed1c \u0111\u1ed9 chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a kh\u00f4ng kh\u00ed \u1edf hai b\u00ean qu\u1ea3 b\u00f3ng kh\u00e1c nhau, \u00e1p su\u1ea5t m\u00e0 ch\u00fang sinh ra \u0111\u1ed1i v\u1edbi qu\u1ea3 b\u00f3ng c\u0169ng kh\u00e1c nhau. Khi \u0111\u00f3, d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a \u00e1p su\u1ea5t kh\u00f4ng kh\u00ed, qu\u1ea3 b\u00f3ng b\u1ecb bu\u1ed9c ph\u1ea3i bay v\u00f2ng v\u1ec1 ph\u00eda m\u1eb7t b\u00ean c\u00f3 l\u01b0u t\u1ed1c kh\u00f4ng kh\u00ed l\u1edbn.<\/p>\n\n\n\n
Cho n\u00ean c\u1ea7u th\u1ee7 b\u00f3ng \u0111\u00e1 c\u00f3 k\u0129 thu\u1eadt cao si\u00eau, khi \u0111\u00e1 ph\u1ea1t \u0111\u1ec1u kh\u00f4ng gi\u01a1 ch\u00e2n \u0111\u00e1 th\u1eb3ng v\u00e0o gi\u1eefa qu\u1ea3 b\u00f3ng m\u00e0 \u0111\u00e1 h\u01a1i h\u01a1i l\u1ec7ch sang m\u1ed9t b\u00ean. N\u1ebfu d\u00f9ng ch\u00e2n \u0111\u00e1 l\u1ec7ch sang tr\u00e1i c\u1ee7a t\u00e2m qu\u1ea3 b\u00f3ng, b\u00f3ng s\u1ebd bay qu\u00e0nh sang b\u00ean ph\u1ea3i, \u0111\u00e1 l\u1ec7ch sang ph\u1ea3i c\u1ee7a t\u00e2m qu\u1ea3 b\u00f3ng, b\u00f3ng s\u1ebd bay qu\u00e0nh sang b\u00ean tr\u00e1i. \u0110\u00f3 ch\u00ednh l\u00e0 ch\u1ed7 b\u00ed \u1ea9n c\u1ee7a “\u0111\u01b0\u1eddng b\u00f3ng qu\u1ea3 chu\u1ed1i”.<\/p>\n\n\n\n
T\u1eeb kh\u00f3a : \u0110\u01b0\u1eddng b\u00f3ng qu\u1ea3 chu\u1ed1i; L\u01b0u t\u1ed1c; \u00c1p su\u1ea5t; \u00c1p l\u1ef1c; Xoay tr\u00f2n.<\/p>\n\n\n\n
<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
N\u1ebfu b\u1ea1n l\u00e0 ng\u01b0\u1eddi hay xem b\u00f3ng \u0111\u00e1, ch\u1eafc ch\u1eafn b\u1ea1n \u0111\u00e3 t\u1eebng th\u1ea5y c\u1ea3nh \u0111\u00e1 ph\u1ea1t tr\u1ef1c ti\u1ebfp tr\u01b0\u1edbc c\u1ea7u m\u00f4n. L\u00fac \u1ea5y, th\u00f4ng th\u01b0\u1eddng l\u00e0 n\u0103m, s\u00e1u c\u1ea7u th\u1ee7 c\u1ee7a ph\u00eda ph\u00f2ng th\u1ee7 l\u1eadp th\u00e0nh m\u1ed9t b\u1ee9c “t\u01b0\u1eddng ng\u01b0\u1eddi” ch\u1eafn tr\u01b0\u1edbc c\u1ea7u m\u00f4n, ng\u0103n \u0111\u01b0\u1eddng b\u00f3ng bay t\u1edbi. C\u1ea7u th\u1ee7 \u0111\u00e1 ph\u1ea1t c\u1ee7a […]<\/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-5565","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\/5565","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=5565"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/5565\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=5565"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=5565"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=5565"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}