M\u1ed9t chi\u1ebfc m\u00e1y bay si\u00eau thanh (hay v\u01b0\u1ee3t \u00e2m) \u0111ang bay v\u1edbi t\u1ed1c \u0111\u1ed9 1100 km\/gi\u1edd \u1edf \u0111\u1ed9 cao th\u1ea5p, c\u00e1ch m\u1eb7t \u0111\u1ea5t 60 m. Khi n\u00f3 bay qua g\u1ea7n m\u1ed9t to\u00e0 nh\u00e0 cao t\u1ea7ng, b\u1ed7ng nhi\u00ean to\u00e0 nh\u00e0 \u0111\u00f3 \u0111\u1ed5 s\u1eadp xu\u1ed1ng, gi\u1ed1ng nh\u01b0 b\u1ecb m\u1ed9t th\u1ee9 g\u00ec \u0111\u1eadp m\u1ea1nh v\u00e0o. Chuy\u1ec7n n\u00e0y x\u1ea3y ra v\u00e0o nh\u1eefng n\u0103m 50 c\u1ee7a th\u1ebf k\u1ec9 XX, khi m\u00e1y bay si\u00eau \u00e2m thanh ra \u0111\u1eddi ch\u01b0a bao l\u00e2u. Khi \u0111i\u1ec1u tra nguy\u00ean nh\u00e2n c\u1ee7a s\u1ef1 c\u1ed1 n\u00e0y, ng\u01b0\u1eddi ta ph\u00e1t hi\u1ec7n th\u1ee7 ph\u1ea1m l\u1ea1i l\u00e0 m\u1ed9t lo\u1ea1i s\u00f3ng truy\u1ec1n trong kh\u00f4ng kh\u00ed.<\/p>\n\n\n\n
Khi t\u00e0u ch\u1ea1y tr\u00ean m\u1eb7t n\u01b0\u1edbc s\u1ebd g\u00e2y n\u00ean s\u00f3ng n\u01b0\u1edbc. C\u0169ng nh\u01b0 v\u1eady, khi m\u00e1y bay bay trong kh\u00f4ng kh\u00ed c\u0169ng s\u1ebd g\u00e2y cho kh\u00f4ng kh\u00ed ch\u1ea5n \u0111\u1ed9ng v\u00e0 truy\u1ec1n \u0111i t\u1ee9 ph\u00eda. Ch\u00fang ta g\u1ecdi \u0111\u00f3 l\u00e0 s\u00f3ng kh\u00f4ng kh\u00ed. T\u1ed1c \u0111\u1ed9 m\u00e1y bay c\u00e0ng cao, s\u00f3ng kh\u00f4ng kh\u00ed sinh ra l\u1ea1i c\u00e0ng d\u1eef d\u1ed9i. \u0110\u1eb7c bi\u1ec7t l\u00e0 khi t\u1ed1c \u0111\u1ed9 c\u1ee7a m\u00e1y bay c\u00f2n nhanh h\u01a1n c\u1ea3 t\u1ed1c \u0111\u1ed9 truy\u1ec1n \u00e2m thanh th\u00ec kh\u00f4ng kh\u00ed \u1edf ph\u00eda tr\u01b0\u1edbc m\u00e1y bay, trong kho\u1ea3ng th\u1eddi gian c\u1ef1c ng\u1eafn, \u0111\u1ed9t ng\u1ed9t b\u1ecb s\u00f3ng kh\u00f4ng kh\u00ed d\u1ed3n n\u00e9n, l\u00e0m cho \u00e1p su\u1ea5t kh\u00f4ng kh\u00ed trong khu v\u1ef1c n\u00e0y tr\u1edf n\u00ean \u0111\u1eb7c bi\u1ec7t cao, m\u1eadt \u0111\u1ed9 v\u00e0 nhi\u1ec7t \u0111\u1ed9 c\u0169ng \u0111\u1eb7c bi\u1ec7t cao. Tr\u1ea1ng th\u00e1i ch\u1ea5n \u0111\u1ed9ng c\u1ee7a kh\u00f4ng kh\u00ed trong khu v\u1ef1c n\u00e0y mang theo m\u1ed9t n\u0103ng l\u01b0\u1ee3ng v\u00f4 c\u00f9ng to l\u1edbn v\u00e0 nhanh ch\u00f3ng truy\u1ec1n ra b\u1ed1n ph\u00eda t\u1eeb g\u1ea7n \u0111\u1ebfn xa, h\u00ecnh th\u00e0nh s\u00f3ng kh\u00f4ng kh\u00ed \u0111\u1eb7c bi\u1ec7t d\u1eef d\u1ed9i. K\u00e8m theo nh\u1eefng ti\u1ebfng n\u1ed5 vang tr\u1eddi, s\u00f3ng kh\u00f4ng kh\u00ed d\u1eef d\u1ed9i nh\u01b0 m\u1ed9t qu\u1ea3 bom h\u1ea1ng n\u1eb7ng t\u1eeb kh\u00f4ng trung xu\u1ed1ng g\u1ea7n m\u1eb7t \u0111\u1ea5t, x\u00f4 \u0111\u1ed5 \u0111\u00e8 s\u1eadp nh\u1eefng v\u1eadt ch\u01b0\u1edbng ng\u1ea1i. Ng\u01b0\u1eddi ta g\u1ecdi lo\u1ea1i s\u00f3ng kh\u00f4ng kh\u00ed d\u1eef d\u1ed9i n\u00e0y l\u00e0 s\u00f3ng xung k\u00edch.<\/p>\n\n\n\n
Do c\u01b0\u1eddng \u0111\u1ed9 s\u00f3ng xung k\u00edch d\u1ea7n d\u1ea7n suy y\u1ebfu theo kho\u1ea3ng c\u00e1ch truy\u1ec1n \u0111i n\u00ean \u1ea3nh h\u01b0\u1edfng \u0111\u1ed1i v\u1edbi m\u1eb7t \u0111\u1ea5t c\u1ee7a m\u00e1y bay si\u00eau thanh bay tr\u00ean cao l\u00e0 r\u1ea5t nh\u1ecf. Song, n\u1ebfu m\u00e1y bay bay th\u1ea5p ho\u1eb7c r\u1ea5t th\u1ea5p v\u1edbi t\u1ed1c \u0111\u1ed9 si\u00eau thanh th\u00ec m\u1ed1i nguy h\u1ea1i c\u1ee7a s\u00f3ng xung k\u00edch sinh ra l\u00e0 kh\u00f3 tr\u00e1nh kh\u1ecfi. Nh\u1eb9 th\u00ec rung v\u1ee1 c\u1eeda k\u00ednh, rung \u0111\u1ed5 \u1ed1ng kh\u00f3i; n\u1eb7ng th\u00ec c\u00f3 th\u1ec3 \u0111\u00e1nh s\u1eadp t\u1eebng m\u1ea3ng l\u1edbn nh\u00e0 c\u1eeda, san ph\u1eb3ng t\u1ea5t c\u1ea3.<\/p>\n\n\n\n
Ngo\u00e0i m\u00e1y bay si\u00eau thanh ra, nh\u1eefng v\u1eadt th\u1ec3 kh\u00e1c chuy\u1ec3n \u0111\u1ed9ng v\u1edbi t\u1ed1c \u0111\u1ed9 cao trong kh\u00f4ng kh\u00ed, nh\u01b0: ng\u1ecdn roi d\u1ea1y th\u00fa khi qu\u1eadt m\u1ea1nh, \u0111\u1ea1n s\u00fang tr\u01b0\u1eddng v\u00e0 \u0111\u1ea1i b\u00e1c v\u1eeba ra kh\u1ecfi n\u00f2ng, th\u1eadm ch\u00ed thi\u00ean th\u1ea1ch \u0111ang r\u01a1i tr\u00ean tr\u1eddi, \u0111\u1ec1u c\u00f3 th\u1ec3 sinh ra s\u00f3ng xung k\u00edch, ch\u1ec9 c\u00f3 \u0111i\u1ec1u \u0111\u1ed9 l\u1edbn c\u1ee7a n\u0103ng l\u01b0\u1ee3ng s\u00f3ng xung k\u00edch kh\u00e1c bi\u1ec7t r\u1ea5t l\u1edbn. Ch\u1eb3ng h\u1ea1n, h\u1ed1 thi\u00ean th\u1ea1ch Wincaba thu\u1ed9c t\u1ec9nh Quebec, Cana\u0111a, l\u00e0 do m\u1ed9t thi\u00ean th\u1ea1ch c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng 100 ngh\u00ecn t\u1ea5n, r\u01a1i v\u1edbi t\u1ed1c \u0111\u1ed9 cao, s\u00f3ng xung k\u00edch c\u1ee7a n\u00f3 khi r\u01a1i \u0111\u1ebfn \u0111\u1ea5t \u0111\u00e3 ph\u00e1t n\u1ed5 t\u1ea1o th\u00e0nh. H\u1ed1 \u0111\u00f3 s\u00e2u t\u1edbi 435 m, \u0111\u01b0\u1eddng k\u00ednh r\u1ed9ng t\u1edbi 3,5 km. Uy l\u1ef1c c\u1ee7a s\u00f3ng xung k\u00edch v\u01b0\u1ee3t qu\u00e1 v\u1ee5 n\u1ed5 c\u1ee7a bom nguy\u00ean t\u1eed. C\u00f2n s\u00f3ng xung k\u00edch do ng\u1ecdn roi v\u00e0 vi\u00ean \u0111\u1ea1n g\u00e2y n\u00ean ch\u1ec9 ph\u00e1t ra m\u1ed9t ti\u1ebfng n\u1ed5 \u201c\u0111\u00e9t\u201d gi\u00f2n gi\u00e3 ho\u1eb7c m\u1ed9t tr\u00e0ng veo veo m\u00e0 th\u00f4i.<\/p>\n\n\n\n
T\u1eeb kh\u00f3a: M\u00e1y bay si\u00eau thanh; S\u00f3ng kh\u00f4ng kh\u00ed; S\u00f3ng xung k\u00edch.<\/p>\n\n\n\n
<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
M\u1ed9t chi\u1ebfc m\u00e1y bay si\u00eau thanh (hay v\u01b0\u1ee3t \u00e2m) \u0111ang bay v\u1edbi t\u1ed1c \u0111\u1ed9 1100 km\/gi\u1edd \u1edf \u0111\u1ed9 cao th\u1ea5p, c\u00e1ch m\u1eb7t \u0111\u1ea5t 60 m. Khi n\u00f3 bay qua g\u1ea7n m\u1ed9t to\u00e0 nh\u00e0 cao t\u1ea7ng, b\u1ed7ng nhi\u00ean to\u00e0 nh\u00e0 \u0111\u00f3 \u0111\u1ed5 s\u1eadp xu\u1ed1ng, gi\u1ed1ng nh\u01b0 b\u1ecb m\u1ed9t th\u1ee9 g\u00ec \u0111\u1eadp m\u1ea1nh v\u00e0o. Chuy\u1ec7n n\u00e0y x\u1ea3y […]<\/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-5622","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\/5622","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=5622"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/5622\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=5622"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=5622"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=5622"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}