T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 12 – Arkady Leokum<\/p>\n\n\n\n
K\u1ef9 thu\u1eadt s\u1eed d\u1ee5ng c\u00e1c v\u1eadt li\u1ec7u \u0111\u1eb7c bi\u1ec7t trong cu\u1ed9c chi\u1ebfn ch\u1ed1ng l\u1ea1i m\u00e1y d\u00f2 rada \u0111\u00e3 \u0111\u01b0\u1ee3c m\u1edf \u0111\u1ea7u b\u1edfi c\u00e1c nh\u00e0 thi\u1ebft k\u1ebf<\/a> t\u00e0u ng\u1ea7m \u0110\u1ee9c trong Th\u1ebf chi\u1ebfn th\u1ee9 hai. Trong n\u0103m 1944, m\u1ed1i quan t\u00e2m \u0111\u1ebfn th\u1ea5t b\u1ea1i c\u1ee7a c\u00e1c t\u00e0u U (t\u00e0u ph\u1ea3i n\u1ed5i l\u00ean) \u0111\u00e3 d\u1eabn \u0111\u1ebfn vi\u1ec7c ph\u00e1t tri\u1ec3n \u1ed1ng th\u00f4ng h\u01a1i c\u1ee7a t\u00e0u ng\u1ea7m, cho ph\u00e9p c\u00e1c t\u00e0u ng\u1ea7m ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1c \u0111\u1ed9ng c\u01a1 diesel trong khi v\u1eabn \u0111ang ch\u00ecm. C\u00e1c s\u0129 quan ch\u1ec9 huy h\u1ea3i qu\u00e2n \u0110\u1ee9c tin r\u1eb1ng c\u00e1c phi c\u01a1 c\u1ee7a Phe \u0110\u1ed3ng Minh v\u1edbi rada c\u1ef1c nh\u1ea1y c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n ra \u1ed1ng th\u00f4ng h\u01a1i v\u00e0 do \u0111\u00f3 h\u1ecd ph\u00e1t tri\u1ec3n m\u1ed9t h\u1ee3p ch\u1ea5t cao su \u0111\u1eb7c bi\u1ec7t, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf<\/a> \u0111\u1ec3 h\u1ea5p thu n\u0103ng l\u01b0\u1ee3ng c\u1ee7a rada v\u00e0 gi\u1ea3m t\u1ed1i thi\u1ec3u s\u1ef1 ph\u1ea3n x\u1ea1. H\u1ecd \u0111\u00e3 kh\u00f4ng th\u00e0nh c\u00f4ng v\u00ec l\u1edbp v\u1ecf b\u1ecdc nhanh ch\u00f3ng b\u1ecb n\u01b0\u1edbc bi\u1ec3n cu\u1ed1n \u0111i.<\/p>\n\n\n\n C\u00f4ng ngh\u1ec7 t\u00e0ng h\u00ecnh hi\u1ec7n \u0111\u1ea1i \u0111\u01b0\u1ee3c m\u1edf \u0111\u1ea7u b\u1edfi Kh\u00f4ng l\u1ef1c Hoa K\u1ef3, v\u00e0o n\u0103m 1989, khi h\u1ecd s\u1eed d\u1ee5ng phi c\u01a1 t\u00e0ng h\u00ecnh F-117A Nighthawk trong tr\u1eadn chi\u1ebfn x\u00e2m l\u01b0\u1ee3c Pan- ama. V\u1edbi c\u00e1c phi c\u01a1 b\u00ecnh th\u01b0\u1eddng, khi b\u1ecb va ph\u1ea3i c\u00e1c tia rada ch\u00fang s\u1ebd l\u00e0m d\u1ed9i l\u1ea1i h\u1ea7u h\u1ebft n\u0103ng l\u01b0\u1ee3ng s\u00f3ng radio, l\u00e0m cho ch\u00fang d\u1ec5 b\u1ecb ph\u00e1t hi\u1ec7n b\u1edfi c\u00e1c l\u1ef1c l\u01b0\u1ee3ng ph\u00f2ng kh\u00f4ng. Phi c\u01a1 F-117A gi\u1ea3m kh\u1ea3 n\u0103ng b\u1ecb ph\u00e1t hi\u1ec7n b\u1eb1ng hai c\u00e1ch.<\/p>\n\n\n\n Th\u1ee9 nh\u1ea5t, n\u00f3 \u0111\u01b0\u1ee3c bao b\u1ecdc b\u1edfi m\u1ed9t l\u1edbp h\u1ea1t s\u1eaft hay carbon, h\u1ea5p th\u1ee5 h\u1ea7u h\u1ebft n\u0103ng l\u01b0\u1ee3ng rada v\u00e0 chuy\u1ec3n ch\u00fang th\u00e0nh nhi\u1ec7t. Ngay c\u1ea3 v\u00f2m k\u00ednh che bu\u1ed3ng l\u00e1i c\u0169ng \u0111\u01b0\u1ee3c bao b\u1ecdc b\u1edfi m\u1ed9t ch\u1ea5t trong su\u1ed1t v\u00e0 h\u1ea5p th\u1ee5 tia rada l\u00e0 idium-thi\u1ebfc oxide, \u0111\u1ec3 ng\u0103n m\u0169 b\u1ea3o hi\u1ec3m c\u1ee7a phi c\u00f4ng t\u1ea1o ra n\u0103ng l\u01b0\u1ee3ng ph\u1ea3n x\u1ea1.<\/p>\n\n\n\n Th\u1ee9 hai, ph\u1ea7n n\u0103ng l\u01b0\u1ee3ng rada b\u1ecb ph\u1ea3n x\u1ea1 l\u1ea1i \u0111\u01b0\u1ee3c gi\u1ea3m t\u1ed1i \u0111a b\u1edfi h\u00ecnh d\u1ea1ng g\u00f3c c\u1ea1nh c\u1ee7a th\u00e2n m\u00e1y bay F-117A. H\u00ecnh d\u1ea1ng n\u00e0y gi\u00fap tr\u00e1nh \u0111\u01b0\u1ee3c c\u00e1c tia th\u1eb3ng g\u00f3c t\u1ea1o ra s\u1ef1 ph\u1ea3n x\u1ea1 m\u1ea1nh. K\u1ebft qu\u1ea3 l\u00e0 h\u00ecnh \u1ea3nh rada ch\u1ec9 m\u00f4 t\u1ea3 m\u1ed9t v\u1eadt th\u1ec3 c\u00f3 k\u00edch th\u01b0\u1edbc c\u1ee7a m\u1ed9t con chim nh\u1ecf.<\/p>\n","protected":false},"excerpt":{"rendered":" T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 12 – Arkady Leokum K\u1ef9 thu\u1eadt s\u1eed d\u1ee5ng c\u00e1c v\u1eadt li\u1ec7u \u0111\u1eb7c bi\u1ec7t trong cu\u1ed9c chi\u1ebfn ch\u1ed1ng l\u1ea1i m\u00e1y d\u00f2 rada \u0111\u00e3 \u0111\u01b0\u1ee3c m\u1edf \u0111\u1ea7u b\u1edfi c\u00e1c nh\u00e0 thi\u1ebft k\u1ebf t\u00e0u ng\u1ea7m \u0110\u1ee9c trong Th\u1ebf chi\u1ebfn th\u1ee9 hai. Trong n\u0103m 1944, m\u1ed1i quan […]<\/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],"tags":[],"class_list":["post-16415","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/16415","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=16415"}],"version-history":[{"count":1,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/16415\/revisions"}],"predecessor-version":[{"id":16416,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/16415\/revisions\/16416"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=16415"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=16415"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=16415"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}