Bi\u1ec3n chi\u1ebfm ph\u1ea7n l\u1edbn di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t Tr\u00e1i \u0110\u1ea5t. Trong l\u00f2ng bi\u1ec3n ch\u1ee9a \u0111\u1ef1ng bao t\u00e0i nguy\u00ean phong ph\u00fa, nh\u01b0 m\u1ecf d\u1ea7u, qu\u1eb7ng m\u0103ng gan v\u00e0 c\u00e1c kim lo\u1ea1i n\u1eb7ng. Ch\u00fang ph\u1ea7n l\u1edbn \u1ea9n s\u00e2u m\u1ea5y ngh\u00ecn m\u00e9t d\u01b0\u1edbi \u0111\u00e1y bi\u1ec3n. Bi\u1ec3n kh\u01a1i c\u0169ng c\u00f3 \u00fd ngh\u0129a quan tr\u1ecdng v\u1ec1 qu\u1ed1c ph\u00f2ng. B\u1edfi v\u1eady, s\u1eed d\u1ee5ng v\u00e0 khai th\u00e1c bi\u1ec3n \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t nhi\u1ec7m v\u1ee5 chi\u1ebfn l\u01b0\u1ee3c quan tr\u1ecdng c\u1ee7a c\u00e1c qu\u1ed1c gia c\u00f3 bi\u1ec3n, \u0111\u1ea3o tr\u00ean th\u1ebf gi\u1edbi.<\/p>\n\n\n\n
Bi\u1ec3n kh\u01a1i r\u1ea5t s\u00e2u, nhi\u1ec1u v\u00f9ng bi\u1ec3n s\u00e2u v\u01b0\u1ee3t m\u1ee9c 1000 m\u00e9t, con ng\u01b0\u1eddi c\u0103n b\u1ea3n kh\u00f4ng th\u1ec3 l\u1eb7n xu\u1ed1ng d\u01b0\u1edbi \u0111\u00e1y s\u00e2u nh\u01b0 v\u1eady \u0111\u1ec3 th\u0103m d\u00f2. V\u00e0 th\u1ebf l\u00e0 ng\u01b0\u1eddi ta \u0111\u00e3 ngh\u0129 t\u1edbi vi\u1ec7c nghi\u00ean c\u1ee9u ch\u1ebf t\u1ea1o ra ng\u01b0\u1eddi m\u00e1y d\u01b0\u1edbi n\u01b0\u1edbc, \u0111\u1ec3 ng\u01b0\u1eddi m\u00e1y thay con ng\u01b0\u1eddi ho\u00e0n th\u00e0nh c\u00f4ng vi\u1ec7c d\u01b0\u1edbi bi\u1ec3n s\u00e2u. B\u1eaft \u0111\u1ea7u nh\u1eefng n\u0103m 60 th\u1ebf k\u1ec9 XX, c\u00e1c n\u01b0\u1edbc \u0111\u00e3 \u0111ua nhau ra s\u1ee9c khai ph\u00e1t thi\u1ebft b\u1ecb l\u1eb7n ch\u1edf ng\u01b0\u1eddi v\u00e0 ng\u01b0\u1eddi m\u00e1y l\u1eb7n ti\u00ean ti\u1ebfn. Ng\u01b0\u1eddi m\u00e1y l\u1eb7n th\u1ef1c ra l\u00e0 thi\u1ebft b\u1ecb l\u1eb7n kh\u00f4ng ng\u01b0\u1eddi l\u00e1i. N\u00f3 c\u0169ng nh\u01b0 t\u00e0u ng\u1ea7m, c\u00f3 \u0111\u01b0\u1ee3c t\u00e0i l\u1eb7n nh\u1edd v\u00e0o \u0111\u1ed9ng l\u1ef1c m\u00e0 ngo\u1ea1i gi\u1edbi ban cho, c\u00f3 th\u1ec3 b\u1eb1ng c\u00e1ch \u0111i\u1ec1u khi\u1ec3n t\u1eeb xa ho\u1eb7c \u0111i\u1ec1u khi\u1ec3n c\u00e1p, con ng\u01b0\u1eddi c\u00f3 th\u1ec3 \u0111i\u1ec1u khi\u1ec3n t\u1eeb n\u01a1i xa ho\u1eb7c tr\u00ean t\u00e0u thuy\u1ec1n. Ng\u01b0\u1eddi m\u00e1y l\u1eb7n ti\u00ean ti\u1ebfn c\u00f2n c\u00f3 m\u1ed9t ph\u1ea7n kh\u1ea3 n\u0103ng t\u1ef1 \u0111i\u1ec1u khi\u1ec3n. Ch\u00fang c\u00f3 v\u1ecf ngo\u00e0i ch\u1ebf t\u1ea1o b\u1eb1ng h\u1ee3p kim titan. V\u1eadt li\u1ec7u n\u1ed5i \u0111\u01b0\u1ee3c t\u1ea1o n\u00ean b\u1edfi ch\u1ea5t d\u1ebbo (plastic) \u0111\u1eb7c bi\u1ec7t. N\u00f3 \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t ngu\u1ed3n \u0111\u1ed9ng l\u1ef1c c\u1ed1 \u0111\u1ecbnh (nh\u01b0 acquy c\u00f4ng su\u1ea5t l\u1edbn), b\u1ed9 \u0111\u1ea9y, h\u1ec7 th\u1ed1ng d\u1eabn \u0111\u01b0\u1eddng, c\u00e1c b\u1ed9 c\u1ea3m bi\u1ebfn sona, b\u1ed9 c\u1ea3m bi\u1ebfn nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc, b\u1ed9 c\u1ea3m bi\u1ebfn \u0111\u1ed9 cao, b\u1ed9 c\u1ea3m bi\u1ebfn s\u1ee9c n\u00e9n, h\u1ec7 th\u1ed1ng camera truy\u1ec1n h\u00ecnh, h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t v\u00e0 h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n ch\u00ednh x\u00e1c, h\u1ec7 th\u1ed1ng m\u00e1y t\u00ednh v\u00e0 thi\u1ebft b\u1ecb truy\u1ec1n th\u00f4ng. Nh\u1eefng thi\u1ebft b\u1ecb n\u00e0y \u0111\u00e3 t\u1ea1o n\u00ean m\u1ed9t h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n, ki\u1ec3m tra v\u00e0 ch\u1ea5p h\u00e0nh khi\u1ebfn cho ng\u01b0\u1eddi m\u00e1y c\u00f3 \u0111\u01b0\u1ee3c c\u00e1i t\u00e0i l\u1eb7n d\u01b0\u1edbi n\u01b0\u1edbc.<\/p>\n\n\n\n
B\u1ed9 thao t\u00e1c l\u00e0m vi\u1ec7c c\u1ee7a ng\u01b0\u1eddi m\u00e1y l\u1eb7n \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh b\u1edfi m\u1ed9t ho\u1eb7c m\u1ea5y c\u00e1nh tay m\u00e1y c\u00f3 nhi\u1ec1u \u0111\u1ed9 t\u1ef1 do. So v\u1edbi ng\u01b0\u1eddi m\u00e1y th\u00f4ng th\u01b0\u1eddng, y\u00eau c\u1ea7u b\u1ecdc k\u00edn c\u1ee7a n\u00f3 l\u00e0 r\u1ea5t cao. C\u00e1c b\u1ed9 ph\u1eadn t\u00e1c nghi\u1ec7p d\u01b0\u1edbi n\u01b0\u1edbc \u0111\u1ec1u ph\u1ea3i ch\u1ed1ng g\u1ec9 v\u00e0 \u0111\u01b0\u1ee3c b\u1ecdc k\u00edn, c\u1ea5u tr\u00fac \u0111\u1ed3 \u0111i\u1ec7n – m\u00e1y v\u00e0 b\u1ed9 ph\u1eadn b\u00ean ngo\u00e0i v\u1ecf ph\u1ea3i ch\u1ecbu \u0111\u01b0\u1ee3c \u00e1p l\u1ef1c cao v\u00e0 ch\u1ecbu s\u1ef1 \u0103n m\u00f2n c\u1ee7a n\u01b0\u1edbc bi\u1ec3n. Do t\u00ecnh h\u00ecnh d\u00f2ng ch\u1ea3y v\u00e0 s\u1ee9c n\u1ed5i d\u01b0\u1edbi \u0111\u00e1y bi\u1ec3n r\u1ea5t ph\u1ee9c t\u1ea1p, ng\u01b0\u1eddi ta \u0111\u00e3 kh\u00f4ng ho\u00e0n to\u00e0n n\u1eafm b\u1eaft \u0111\u01b0\u1ee3c tr\u01b0\u1edbc, m\u00e0 ng\u01b0\u1eddi m\u00e1y l\u1ea1i ph\u1ea3i t\u00ecm \u0111\u00fang v\u1ecb tr\u00ed trong m\u00f4i tr\u01b0\u1eddng \u0111\u1eb7c bi\u1ec7t n\u00e0y v\u00e0 ph\u1ea3i \u00e1p d\u1ee5ng nh\u1eefng \u0111\u1ed9ng t\u00e1c chu\u1ea9n x\u00e1c. B\u1edfi v\u1eady \u0111\u00f2i h\u1ecfi ng\u01b0\u1eddi m\u00e1y ph\u1ea3i c\u00f3 kh\u1ea3 n\u0103ng s\u1eeda \u0111\u1ed5i ch\u01b0\u01a1ng tr\u00ecnh m\u00e1y t\u00ednh d\u1ef1a theo t\u00ecnh h\u00ecnh th\u1ef1c t\u1ebf, t\u1ee9c l\u00e0 n\u0103ng l\u1ef1c \u0111i\u1ec1u khi\u1ec3n t\u1ef1 ch\u1ee7. Ng\u01b0\u1eddi \u0110\u1ee9c \u0111\u00e3 nghi\u00ean c\u1ee9u ch\u1ebf t\u1ea1o th\u00e0nh c\u00f4ng m\u1ed9t lo\u1ea1i ng\u01b0\u1eddi m\u00e1y l\u1eb7n c\u00f3 th\u1ec3 gi\u1eef \u0111\u01b0\u1ee3c c\u00e2n b\u1eb1ng s\u1ee9c n\u00e9n trong ngo\u00e0i th\u00f4ng qua ch\u1ea5t l\u1ecfng n\u1ea1p v\u00e0o. Ng\u01b0\u1eddi m\u00e1y \u0111\u01b0\u1ee3c \u0111\u01b0a ch\u1ea5t l\u1ecfng v\u00e0o, khi n\u00f3 l\u1eb7n xu\u1ed1ng, b\u1ed9 c\u1ea3m bi\u1ebfn l\u1ef1c n\u00e9n tr\u00ean m\u00ecnh n\u00f3 k\u1ecbp th\u1eddi \u0111o \u0111\u01b0\u1ee3c \u00e1p l\u1ef1c n\u01b0\u1edbc v\u00e0 \u0111i\u1ec1u khi\u1ec3n s\u1ef1 ch\u1ea3y v\u00e0o c\u1ee7a ch\u1ea5t l\u1ecfng qua t\u00edn hi\u1ec7u \u0111i\u1ec1u khi\u1ec3n, khi\u1ebfn cho \u00e1p l\u1ef1c trong v\u00e0 ngo\u00e0i ng\u01b0\u1eddi m\u00e1y gi\u1eef \u0111\u01b0\u1ee3c nh\u01b0 nhau.<\/p>\n\n\n\n
Ng\u01b0\u1eddi m\u00e1y l\u1eb7n ch\u1ee7 y\u1ebfu d\u00f9ng cho m\u1ee5c \u0111\u00edch th\u0103m d\u00f2 qu\u1eb7ng d\u01b0\u1edbi \u0111\u00e1y bi\u1ec3n, c\u1ee9u h\u1ed9 v\u00e0 m\u1ee5c \u0111\u00edch qu\u00e2n s\u1ef1. Cu\u1ed1i nh\u1eefng n\u0103m 60 th\u1ebf k\u1ef7 XX, m\u1ed9t chi\u1ebfc m\u00e1y bay n\u00e9m bom B52 b\u1ecb r\u01a1i, khi\u1ebfn m\u1ed9t qu\u1ea3 bom H r\u1edbt xu\u1ed1ng v\u00f9ng bi\u1ec3n s\u00e2u 800 m\u00e9t g\u1ea7n T\u00e2y Ban Nha. Ng\u01b0\u1eddi ta \u0111\u00e3 b\u1eb1ng nhi\u1ec1u c\u00e1ch \u0111\u1ec3 tr\u1ee5c v\u1edbt \u0111\u1ec1u th\u1ea5t b\u1ea1i. V\u1ec1 sau, qu\u00e2n \u0111\u1ed9i M\u1ef9 \u0111\u00e3 m\u1eddi \u0111\u1ebfn m\u1ed9t ng\u01b0\u1eddi m\u00e1y l\u1eb7n \u0111i\u1ec1u khi\u1ec3n c\u00e1p \u0111ang \u1edf giai \u0111o\u1ea1n th\u1eed nghi\u1ec7m. Ng\u01b0\u1eddi m\u00e1y n\u00e0y qu\u1ea3 nhi\u00ean t\u00e0i n\u0103ng kh\u00e1c th\u01b0\u1eddng, \u0111\u00e3 nhanh ch\u00f3ng t\u00ecm \u0111\u01b0\u1ee3c v\u1ecb tr\u00ed ch\u00ednh x\u00e1c v\u00e0 tr\u1ee5c v\u1edbt thu\u1eadn l\u1ee3i qu\u1ea3 bom khinh kh\u00ed n\u00e0y. N\u0103m 1985 M\u0129 \u0111\u00e3 c\u1eed ng\u01b0\u1eddi m\u00e1y \u0111i th\u0103m d\u00f2 qu\u1ea3 t\u00ean l\u1eeda “th\u1ea7n s\u1ee9c m\u1ea1nh” ch\u00ecm d\u01b0\u1edbi \u0111\u00e1y bi\u1ec3n v\u00e0 b\u00e1m s\u00e1t t\u00ean l\u1eeda \u0111\u1ec3 ch\u1ee5p \u1ea3nh. C\u00f9ng n\u0103m \u0111\u00f3, c\u00f3 ng\u01b0\u1eddi d\u1ef1a v\u00e0o ng\u01b0\u1eddi m\u00e1y l\u1eb7n \u0111\u00e3 t\u00ecm ra x\u00e1c con t\u00e0u Titanic ch\u00ecm s\u00e2u d\u01b0\u1edbi \u0111\u00e1y bi\u1ec3n n\u1eeda th\u1ebf k\u1ec9. N\u0103m 1994 t\u00e0u ng\u1ea7m “\u1ed1c anh v\u0169” c\u1ee7a Ph\u00e1p \u0111\u00e3 mang theo ng\u01b0\u1eddi m\u00e1y l\u1eb7n c\u00f3 t\u00ean l\u00e0 Robin l\u1ea1i l\u1ea7n n\u1eefa ti\u1ebfn h\u00e0nh t\u00ecm ki\u1ebfm con t\u00e0u ch\u00ecm s\u00e2u 3780 m\u00e9t d\u01b0\u1edbi \u0111\u00e1y bi\u1ec3n c\u00e1ch \u0111\u1ea3o Newfoundland (thu\u1ed9c Cana\u0111a) 900 km, v\u00e0 \u0111\u00e3 t\u00ecm th\u1ea5y h\u01a1n 3600 v\u1eadt nh\u01b0 b\u01b0u ki\u1ec7n, v\u00e0ng, ng\u1ecdc v\u00e0 nh\u1eefng th\u1ee9 kh\u00e1c. C\u00f2n ph\u00e1t hi\u1ec7n ra m\u1ed9t s\u1ed1 t\u00ecnh h\u00ecnh m\u00e0 c\u00e1c nh\u00e2n vi\u00ean \u0111i\u1ec1u tra tr\u01b0\u1edbc \u0111\u00e2y \u0111\u00e3 kh\u00f4ng ph\u00e1t hi\u1ec7n \u0111\u01b0\u1ee3c\u2026 Nhi\u1ec1u n\u01b0\u1edbc ngo\u00e0i c\u00f2n nghi\u00ean c\u1ee9u ch\u1ebf t\u1ea1o ra ng\u01b0\u1eddi m\u00e1y qu\u00e2n d\u1ee5ng d\u00f9ng cho vi\u1ec7c trinh s\u00e1t v\u00e0 th\u0103m d\u00f2 th\u1ee7y l\u1ee3i. Trung Qu\u1ed1c c\u0169ng \u0111\u00e3 nghi\u00ean c\u1ee9u ch\u1ebf t\u1ea1o ra ng\u01b0\u1eddi m\u00e1y l\u1eb7n “hi\u1ec7u th\u0103m d\u00f2” d\u00f9ng cho vi\u1ec7c t\u00ecm qu\u1eb7ng \u0111\u00e1y bi\u1ec3n v\u00e0 c\u1ee9u h\u1ed9.<\/p>\n\n\n\n
Ng\u01b0\u1eddi m\u00e1y l\u1eb7n l\u00e0 lo\u1ea1i ng\u01b0\u1eddi m\u00e1y c\u00f3 c\u00f4ng d\u1ee5ng \u0111\u1eb7c bi\u1ec7t. N\u00f3 \u0111ang ph\u00e1t huy t\u00e1c d\u1ee5ng trong \u0111\u1ea1i d\u01b0\u01a1ng m\u00eanh m\u00f4ng.<\/p>\n\n\n\n
T\u1eeb kh\u00f3a: Ng\u01b0\u1eddi m\u00e1y l\u1eb7n; \u0110i\u1ec1u khi\u1ec3n (b\u1eb1ng) c\u00e1p \u0111i\u1ec1u khi\u1ec3n t\u1eeb xa; \u0110i\u1ec1u khi\u1ec3n t\u1ef1 ch\u1ee7.<\/p>\n","protected":false},"excerpt":{"rendered":"
Bi\u1ec3n chi\u1ebfm ph\u1ea7n l\u1edbn di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t Tr\u00e1i \u0110\u1ea5t. Trong l\u00f2ng bi\u1ec3n ch\u1ee9a \u0111\u1ef1ng bao t\u00e0i nguy\u00ean phong ph\u00fa, nh\u01b0 m\u1ecf d\u1ea7u, qu\u1eb7ng m\u0103ng gan v\u00e0 c\u00e1c kim lo\u1ea1i n\u1eb7ng. Ch\u00fang ph\u1ea7n l\u1edbn \u1ea9n s\u00e2u m\u1ea5y ngh\u00ecn m\u00e9t d\u01b0\u1edbi \u0111\u00e1y bi\u1ec3n. Bi\u1ec3n kh\u01a1i c\u0169ng c\u00f3 \u00fd ngh\u0129a quan tr\u1ecdng v\u1ec1 qu\u1ed1c ph\u00f2ng. B\u1edfi v\u1eady, […]<\/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":[15,13],"tags":[],"class_list":["post-10466","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-tin-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/10466","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=10466"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/10466\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=10466"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=10466"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=10466"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}