M\u00e1y bay v\u00e0 lo\u00e0i chim \u0111\u1ec1u c\u00f3 th\u1ec3 bay \u1edf tr\u00ean kh\u00f4ng, nh\u01b0ng c\u00e1nh m\u00e1y bay th\u00ec b\u1ea5t \u0111\u1ed9ng, c\u00f2n \u0111\u00f4i c\u00e1nh chim th\u00ec th\u01b0\u1eddng ph\u1ea3i \u0111\u1eadp l\u00ean \u0111\u1eadp xu\u1ed1ng. L\u1ebd n\u00e0o chim kh\u00f4ng bi\u1ebft m\u1ecfi c\u00e1nh sao? T\u1ea1i sao c\u00e1nh c\u1ee7a chim kh\u00f4ng th\u1ec3 c\u1ed1 \u0111\u1ecbnh \u1edf m\u1ed9t v\u00ed tr\u00ed nh\u01b0 m\u00e1y bay.<\/p>\n\n\n\n
C\u00f3 v\u1ebb nh\u01b0 m\u00e1y bay “th\u00f4ng minh”, c\u00f2n lo\u00e0i chim th\u00ec “ng\u1ed1c ngh\u1ebfch”? Nh\u01b0ng s\u1ef1 th\u1ef1c th\u00ec tr\u00e1i l\u1ea1i. N\u00f3i v\u1ec1 kh\u1ea3 n\u0103ng bay th\u00ec chim “kh\u00e9o l\u00e9o” h\u01a1n m\u00e1y bay nhi\u1ec1u.<\/p>\n\n\n\n
C\u00e1c lo\u1ea1i m\u00e1y bay hi\u1ec7n \u0111\u1ea1i, d\u00f9 l\u00e0 qu\u00e2n s\u1ef1 hay d\u00e2n d\u1ee5ng, m\u00e1y bay l\u1edbn hay nh\u1ecf, \u0111\u1ec1u ph\u1ea3i c\u00f3 \u0111\u1ed3ng th\u1eddi hai y\u1ebfu t\u1ed1 m\u1edbi c\u00f3 th\u1ec3 bay \u0111\u01b0\u1ee3c. Hai y\u1ebfu t\u1ed1 \u0111\u00f3, m\u1ed9t l\u00e0 c\u00e1nh, hai l\u00e0 m\u00e1y \u0111\u1ea9y. C\u00e1nh m\u00e1y bay d\u00f9ng \u0111\u1ec3 s\u1ea3n sinh ra l\u1ef1c n\u00e2ng, khi\u1ebfn cho m\u00e1y bay l\u01a1 l\u1eedng tr\u00ean kh\u00f4ng; c\u00f2n m\u00e1y \u0111\u1ea9y, th\u00ec d\u00f9ng \u0111\u1ec3 s\u1ea3n sinh ra l\u1ef1c k\u00e9o v\u00e0 l\u1ef1c \u0111\u1ea9y, \u0111\u1ea9y m\u00e1y bay v\u1ec1 ph\u00eda tr\u01b0\u1edbc. N\u1ebfu kh\u00f4ng c\u00f3 m\u00e1y \u0111\u1ea9y m\u00e0 ch\u1ec9 c\u00f3 c\u00e1nh th\u00ec s\u1ebd th\u00e0nh t\u00e0u l\u01b0\u1ee3n. T\u00e0u l\u01b0\u1ee3n ch\u1ec9 c\u00f3 th\u1ec3 d\u1ef1a v\u00e0o m\u1ed9t l\u1ef1c kh\u00e1c \u0111\u1ec3 \u0111\u1ea9y l\u00ean tr\u1eddi, t\u1ef1 n\u00f3 kh\u00f4ng th\u1ec3 bay l\u00ean. Do \u0111\u00f3 c\u00f3 th\u1ec3 th\u1ea5y, c\u00e1nh m\u00e1y bay ch\u1ec9 c\u00f3 t\u00e1c d\u1ee5ng duy tr\u00ec trong khi bay, ch\u1ee9 kh\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng \u0111\u1ea9y m\u00e1y bay bay \u0111i.<\/p>\n\n\n\n
Nh\u01b0ng c\u00e1nh c\u1ee7a lo\u00e0i chim th\u00ec kh\u00e1c. Lo\u00e0i chim kh\u00f4ng c\u00f3 b\u1ed9 ph\u1eadn \u0111\u1ea9y. Tr\u00ean m\u00ecnh ch\u00fang kh\u00f4ng c\u00f3 \u0111\u1ed9ng c\u01a1 pitt\u00f4ng l\u00e0m quay c\u00e1nh qu\u1ea1t, c\u0169ng kh\u00f4ng c\u00f3 \u0111\u1ed9ng c\u01a1 ph\u1ea3n l\u1ef1c ph\u1ee5t ra kh\u00ed ch\u00e1y \u0111\u1ec3 \u0111\u1ea9y ch\u00fang ti\u1ebfn l\u00ean. \u0110\u1ed9ng c\u01a1 c\u1ee7a lo\u00e0i chim ch\u00ednh l\u00e0 b\u1ea3n th\u00e2n n\u00f3, c\u00f2n \u0111\u1ea9y n\u00f3 ti\u1ebfn l\u00ean l\u1ea1i d\u1ef1a v\u00e0o \u0111\u00f4i c\u00e1nh. Do \u0111\u00f3, c\u00e1nh c\u1ee7a lo\u00e0i chim \u0111\u1ed3ng th\u1eddi ph\u1ea3i ho\u00e0n th\u00e0nh hai nhi\u1ec7m v\u1ee5: m\u1ed9t l\u00e0 s\u1ea3n sinh l\u1ef1c n\u00e2ng \u0111\u1ec3 treo m\u00ecnh tr\u00ean kh\u00f4ng, hai l\u00e0 s\u1ea3n sinh ra l\u1ef1c \u0111\u1ea9y \u0111\u1ec3 t\u1ef1 m\u00ecnh ti\u1ebfn l\u00ean. Ch\u1ec9 c\u00f3 v\u1ed7 c\u00e1nh chim m\u1edbi c\u00f3 th\u1ec3 \u0111\u1ed3ng th\u1eddi s\u1ea3n sinh ra l\u1ef1c n\u00e2ng v\u00e0 l\u1ef1c \u0111\u1ea9y. V\u00ec v\u1eady c\u00e1nh c\u1ee7a m\u00e1y bay c\u00f3 th\u1ec3 c\u1ed1 \u0111\u1ecbnh b\u1ea5t \u0111\u1ed9ng, nh\u01b0ng c\u00e1nh c\u1ee7a chim th\u00ec ph\u1ea3i \u0111\u1eadp l\u00ean \u0111\u1eadp xu\u1ed1ng.<\/p>\n\n\n\n
V\u1eady th\u00ec c\u00f3 th\u1ec3 l\u00e0m cho c\u00e1nh c\u1ee7a m\u00e1y bay c\u0169ng \u0111\u1eadp l\u00ean \u0111\u1eadp xu\u1ed1ng \u0111\u01b0\u1ee3c kh\u00f4ng? \u0110\u00e2y l\u00e0 m\u1ed9t \u01b0\u1edbc m\u01a1 m\u00e0 nh\u00e2n lo\u1ea1i t\u1eeb x\u01b0a \u0111\u1ebfn nay \u0111\u1ec1u c\u00f3 \u00fd \u0111\u1ed3 th\u1ef1c hi\u1ec7n m\u00e0 ch\u01b0a th\u1ec3 th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c. Nghi\u00ean c\u1ee9u v\u1ec1 \u0111\u1ed9ng l\u1ef1c h\u1ecdc kh\u00f4ng kh\u00ed cho ta bi\u1ebft, d\u00f9ng ph\u01b0\u01a1ng th\u1ee9c v\u1ed7 c\u00e1nh \u0111\u1ec3 bay th\u00ec t\u1ed1n \u00edt s\u1ee9c h\u01a1n, n\u1ebfu ta s\u1eeda \u0111\u1ed5i lo\u1ea1i m\u00e1y bay bay b\u1eb1ng c\u00e1nh c\u1ed1 \u0111\u1ecbnh th\u00e0nh c\u00e1nh m\u00e1y bay bay b\u1eb1ng c\u00e1ch v\u1ed7 c\u00e1nh th\u00ec s\u1ebd ti\u1ebft ki\u1ec7m r\u1ea5t nhi\u1ec1u c\u00f4ng su\u1ea5t c\u1ea7n thi\u1ebft cho m\u00e1y bay. Nh\u01b0ng do nguy\u00ean l\u00fd v\u00e0 hi\u1ec7n t\u01b0\u1ee3ng bay v\u1ed7 c\u00e1nh kh\u00e1 ph\u1ee9c t\u1ea1p, hi\u1ec7n nay con ng\u01b0\u1eddi c\u00f2n ch\u01b0a ho\u00e0n to\u00e0n n\u1eafm v\u1eefng quy lu\u1eadt v\u1ec1 ph\u01b0\u01a1ng di\u1ec7n n\u00e0y, do \u0111\u00f3 c\u00f2n ch\u01b0a \u0111\u01b0a v\u00e0o s\u1eed d\u1ee5ng m\u00e1y bay v\u1ed7 c\u00e1nh. V\u1ec1 v\u1ea5n \u0111\u1ec1 n\u00e0y, con ng\u01b0\u1eddi c\u00f2n ph\u1ea3i h\u1ecdc t\u1eadp<\/a> lo\u00e0i chim nhi\u1ec1u.<\/p>\n\n\n\n T\u1eeb kh\u00f3a: C\u00e1nh m\u00e1y bay; C\u00e1nh lo\u00e0i chim; Bay v\u1ed7 c\u00e1nh.<\/p>\n","protected":false},"excerpt":{"rendered":" M\u00e1y bay v\u00e0 lo\u00e0i chim \u0111\u1ec1u c\u00f3 th\u1ec3 bay \u1edf tr\u00ean kh\u00f4ng, nh\u01b0ng c\u00e1nh m\u00e1y bay th\u00ec b\u1ea5t \u0111\u1ed9ng, c\u00f2n \u0111\u00f4i c\u00e1nh chim th\u00ec th\u01b0\u1eddng ph\u1ea3i \u0111\u1eadp l\u00ean \u0111\u1eadp xu\u1ed1ng. L\u1ebd n\u00e0o chim kh\u00f4ng bi\u1ebft m\u1ecfi c\u00e1nh sao? T\u1ea1i sao c\u00e1nh c\u1ee7a chim kh\u00f4ng th\u1ec3 c\u1ed1 \u0111\u1ecbnh \u1edf m\u1ed9t v\u00ed tr\u00ed nh\u01b0 m\u00e1y bay. C\u00f3 […]<\/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":[15,16],"tags":[],"class_list":["post-8894","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-ky-thuat"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8894","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=8894"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8894\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=8894"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=8894"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=8894"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}