C\u00e1 tr\u00ecnh \u0111i\u1ec7n th\u1ef1c ra kh\u00f4ng ph\u1ea3i c\u00e1 ch\u00ecnh, m\u00e0 l\u00e0 m\u1ed9t lo\u1ea1i c\u00e1 thu\u1ed9c b\u1ed9 c\u00e1 ch\u00e9p. N\u00f3 sinh s\u1ed1ng \u1edf d\u1ea3i s\u00f4ng Orinoco v\u00e0 s\u00f4ng Amaz\u00f4n Nam M\u0129. V\u00ec th\u00e2n m\u00ecnh n\u00f3 d\u00e0i d\u00e0i r\u1ea5t gi\u1ed1ng v\u1edbi c\u00e1 ch\u00ecnh, d\u1ef1a v\u00e0o ph\u00f3ng \u0111i\u1ec7n \u0111\u1ec3 b\u1eaft m\u1ed3i v\u00e0 t\u1ef1 v\u1ec7, n\u00ean ng\u01b0\u1eddi ta g\u1ecdi n\u00f3 l\u00e0 c\u00e1 ch\u00ecnh \u0111i\u1ec7n.<\/p>\n\n\n\n
C\u00e1 ch\u00ecnh \u0111i\u1ec7n sinh ra \u0111i\u1ec7n nh\u01b0 th\u1ebf n\u00e0o nh\u1ec9? \u0110i\u1ec1u \u0111\u00f3 c\u00f3 li\u00ean quan v\u1edbi k\u1ebft c\u1ea5u c\u1ee7a th\u00e2n th\u1ec3 n\u00f3. N\u00f3i chung c\u00f3 t\u1edbi b\u1ed1n ph\u1ea7n n\u0103m chi\u1ec1u d\u00e0i c\u1ee7a th\u00e2n th\u1ec3 n\u00f3 l\u00e0 do c\u00e1c t\u1ebf b\u00e0o sinh \u0111i\u1ec7n t\u1ed5 h\u1ee3p th\u00e0nh. Nh\u1eefng t\u1ebf b\u00e0o \u0111\u1ea7u m\u00fat d\u00e2y th\u1ea7n kinh n\u00e0y x\u1ebfp ch\u1eb7t v\u00e0o nhau, m\u1ed9t t\u1ebf b\u00e0o t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi m\u1ed9t vi\u00ean pin nho nh\u1ecf. Th\u00f4ng th\u01b0\u1eddng m\u1ed9t t\u1ebf b\u00e0o d\u00e0i kho\u1ea3ng 0,1 mm, c\u00f3 th\u1ec3 sinh ra \u0111i\u1ec7n \u00e1p 0,14 v\u00f4n. R\u1ea5t nhi\u1ec1u t\u1ebf b\u00e0o nh\u01b0 v\u1eady x\u1ebfp ch\u1ed3ng v\u00e0o nhau nh\u01b0 ki\u1ec3u nhi\u1ec1u vi\u00ean pin gh\u00e9p n\u1ed1i ti\u1ebfp nhau, c\u00f3 th\u1ec3 thu \u0111\u01b0\u1ee3c \u0111i\u1ec7n \u00e1p r\u1ea5t cao. C\u0169ng gi\u1ed1ng nh\u01b0 chi\u1ebfc ra\u0111i\u00f4 b\u00e1n d\u1eabn m\u00e0 b\u1ea1n d\u00f9ng c\u1ea7n c\u00f3 ngu\u1ed3n \u0111i\u1ec7n 3 v\u00f4n, b\u1ea1n c\u00f3 th\u1ec3 l\u1ea5y hai c\u1ee5c pin 1,5 v\u00f4n \u0111\u1ea5u n\u1ed1i ti\u1ebfp th\u00ec s\u1ebd c\u00f3 \u0111\u01b0\u1ee3c m\u1ed9t \u0111i\u1ec7n \u00e1p 3 v\u00f4n.<\/p>\n\n\n\n
Trong th\u00e2n th\u1ec3 c\u1ee7a m\u1ed9t con c\u00e1 ch\u00ecnh \u0111i\u1ec7n nh\u1ecf, 1 cm \u0111\u1ed9 d\u00e0i c\u00f3 th\u1ec3 c\u00f3 230 t\u1ebf b\u00e0o \u0111\u1ea7u m\u00fat d\u00e2y th\u1ea7n kinh c\u00f3 th\u1ec3 sinh ra \u0111i\u1ec7n, c\u0169ng t\u1ee9c l\u00e0 c\u00f3 th\u1ec3 sinh ra \u0111i\u1ec7n \u00e1p 32 v\u00f4n. C\u00e1 ch\u00ecnh \u0111i\u1ec7n l\u1edbn, s\u1ed1 l\u01b0\u1ee3ng t\u1ebf b\u00e0o trong 1 cm \u0111\u1ed9 d\u00e0i c\u1ee7a th\u00e2n m\u00ecnh \u00edt h\u01a1n m\u1ed9t ch\u00fat, song th\u1ec3 t\u00edch c\u1ee7a t\u1ebf b\u00e0o l\u1ea1i l\u1edbn h\u01a1n m\u1ed9t \u00edt, th\u00e2n m\u00ecnh n\u00f3 c\u0169ng d\u00e0i h\u01a1n. Nh\u1eefng t\u1ebf b\u00e0o n\u00e0y t\u1eadp trung \u1edf ph\u1ea7n \u0111u\u00f4i c\u1ee7a c\u00e1 ch\u00ecnh.<\/p>\n\n\n\n
Khi c\u00e1 ch\u00ecnh \u0111i\u1ec7n ph\u00e1t hi\u1ec7n con m\u1ed3i ho\u1eb7c g\u1eb7p nguy hi\u1ec3m, n\u00f3 li\u1ec1n ph\u00f3ng ra d\u00f2ng \u0111i\u1ec7n m\u1ea1nh, \u0111i\u1ec7n \u00e1p c\u00f3 th\u1ec3 cao t\u1edbi 400 – 600 v\u00f4n. Ph\u00f3ng \u0111i\u1ec7n v\u1eeba c\u00f3 th\u1ec3 gi\u1ebft ch\u1ebft ho\u1eb7c l\u00e0m cho\u00e1ng v\u00e1ng \u1ebfch, c\u00e1 con v.v., gi\u00fap cho c\u00e1 ch\u00ecnh \u0111i\u1ec7n b\u1eaft \u0111\u01b0\u1ee3c m\u1ed3i, l\u1ea1i v\u1eeba c\u00f3 th\u1ec3 trong c\u01a1n nguy c\u1ea5p, \u0111\u00e1nh tr\u00fang k\u1ebb th\u00f9, gi\u00fap cho c\u00e1 ch\u00ecnh \u0111i\u1ec7n t\u1ef1 v\u1ec7. Ngo\u00e0i nh\u1eefng \u0111i\u1ec1u \u0111\u00f3 ra, ph\u00f3ng \u0111i\u1ec7n c\u00f2n c\u00f3 th\u1ec3 d\u1eabn \u0111\u01b0\u1eddng cho c\u00e1 ch\u00ecnh \u0111i\u1ec7n, v\u00ec sau khi tr\u01b0\u1edfng th\u00e0nh th\u00ec hai m\u1eaft c\u1ee7a n\u00f3 b\u1ecb m\u1edd \u0111i.<\/p>\n\n\n\n
Ngo\u00e0i c\u00e1 ch\u00ecnh \u0111i\u1ec7n ra, c\u00f2n c\u00f3 nhi\u1ec1u lo\u1ea1i c\u00e1 c\u00f3 th\u1ec3 sinh ra \u0111i\u1ec7n, v\u00ed d\u1ee5 nh\u01b0 c\u00e1 di\u00eau \u0111i\u1ec7n, c\u00e1 v\u00f2i voi v.v., t\u1ed5ng c\u1ed9ng t\u1edbi v\u00e0i tr\u0103m lo\u1ea1i! Nguy\u00ean l\u00ed ph\u00f3ng \u0111i\u1ec7n c\u1ee7a ch\u00fang c\u0169ng gi\u1ed1ng nh\u01b0 c\u1ee7a c\u00e1 ch\u00ecnh v\u1eady.<\/p>\n\n\n\n
T\u1eeb kho\u00e1: C\u00e1 ch\u00ecnh \u0111i\u1ec7n; Ph\u00f3ng \u0111i\u1ec7n.<\/p>\n\n\n\n
<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
C\u00e1 tr\u00ecnh \u0111i\u1ec7n th\u1ef1c ra kh\u00f4ng ph\u1ea3i c\u00e1 ch\u00ecnh, m\u00e0 l\u00e0 m\u1ed9t lo\u1ea1i c\u00e1 thu\u1ed9c b\u1ed9 c\u00e1 ch\u00e9p. N\u00f3 sinh s\u1ed1ng \u1edf d\u1ea3i s\u00f4ng Orinoco v\u00e0 s\u00f4ng Amaz\u00f4n Nam M\u0129. V\u00ec th\u00e2n m\u00ecnh n\u00f3 d\u00e0i d\u00e0i r\u1ea5t gi\u1ed1ng v\u1edbi c\u00e1 ch\u00ecnh, d\u1ef1a v\u00e0o ph\u00f3ng \u0111i\u1ec7n \u0111\u1ec3 b\u1eaft m\u1ed3i v\u00e0 t\u1ef1 v\u1ec7, n\u00ean ng\u01b0\u1eddi ta g\u1ecdi […]<\/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-5736","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\/5736","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=5736"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/5736\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=5736"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=5736"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=5736"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}