Tho\u1ea1t ngh\u0129, n\u01b0\u1edbc l\u1eeda kh\u00f4ng ch\u1ecbu nhau, b\u0103ng m\u00e0 g\u1eb7p l\u1eeda l\u00e0 tan ch\u1ea3y ra, d\u00f9ng b\u0103ng \u0111\u1ec3 l\u1ea5y l\u1eeda qu\u1ea3 l\u00e0 chuy\u1ec7n ngh\u00ecn l\u1ebb m\u1ed9t \u0111\u00eam. Song n\u1ebfu b\u1ea1n n\u1eafm \u0111\u01b0\u1ee3c m\u1ed9t \u00edt nguy\u00ean l\u00ed quang h\u1ecdc th\u00ec s\u1ebd hi\u1ec3u, d\u00f9ng b\u0103ng ch\u1ebf t\u00e1c th\u00e0nh th\u1ea5u k\u00ednh b\u0103ng th\u00ec ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 d\u00f9ng n\u00f3 \u0111\u1ec3 l\u1ea5y l\u1eeda.<\/p>\n\n\n\n
Jules Verne, trong cu\u1ed1n ti\u1ec3u thuy\u1ebft khoa h\u1ecdc vi\u1ec5n t\u01b0\u1edfng c\u1ee7a m\u00ecnh “Mi\u1ec1n b\u0103ng gi\u00e1 hoang vu”, \u0111\u00e3 t\u1eebng mi\u00eau t\u1ea3 m\u1ed9t c\u00e1ch xu\u1ea5t s\u1eafc \u00fd t\u01b0\u1edfng ch\u1ebf t\u00e1c ra th\u1ea5u k\u00ednh b\u0103ng. M\u1ed9t cu\u1ed9c phi\u1ebfn lo\u1ea1n \u0111\u00e3 n\u00e9m thuy\u1ec1n tr\u01b0\u1edfng c\u1ee7a \u0111o\u00e0n th\u00e1m hi\u1ec3m B\u1eafc C\u1ef1c v\u00e0 nh\u1eefng ng\u01b0\u1eddi theo \u00f4ng l\u00ean m\u1ed9t mi\u1ec1n b\u0103ng gi\u00e1 m\u00eanh m\u00f4ng xa t\u1eafp, b\u00ean m\u00ecnh h\u1ecd ch\u1ec9 c\u00f3 m\u1ed9t con thuy\u1ec1n h\u1ecfng n\u00e1t. H\u1ecd mang t\u1eeb d\u01b0\u1edbi thuy\u1ec1n l\u00ean m\u1ed9t \u00edt c\u1ee7i v\u00e0 th\u1ef1c ph\u1ea9m, r\u1ed3i d\u00f9ng \u0111\u00e1 l\u1eeda v\u00e0 li\u1ec1m \u0111\u00e1nh l\u1eeda c\u00f2n s\u00f3t l\u1ea1i nh\u00f3m m\u1ed9t ng\u1ecdn l\u1eeda tr\u00ean b\u0103ng. Ch\u00ednh trong khi h\u1ecd s\u0103n \u0111u\u1ed5i m\u1ed9t con g\u1ea5u B\u1eafc C\u1ef1c th\u00ec l\u1eeda b\u1ecb t\u1eaft ng\u1ea5m, \u0111\u00e1 l\u1eeda v\u00e0 c\u00e1i li\u1ec1m c\u0169ng kh\u00f4ng t\u00ecm th\u1ea5y \u0111\u00e2u c\u1ea3. Tr\u00ean mi\u1ec1n b\u0103ng gi\u00e1, kh\u00f4ng c\u00f3 l\u1eeda c\u0169ng c\u00f3 ngh\u0129a l\u00e0 s\u1ebd b\u1ecb ch\u1ebft c\u00f3ng, ch\u1ebft \u0111\u00f3i.<\/p>\n\n\n\n
L\u00e0m th\u1ebf n\u00e0o b\u00e2y gi\u1edd? Thuy\u1ec1n tr\u01b0\u1edfng tuy\u1ec7t v\u1ecdng ng\u1ea9ng nh\u00ecn tr\u1eddi xanh. \u00c1nh M\u1eb7t Tr\u1eddi m\u1edbi \u0111\u1eb9p l\u00e0m sao. N\u1ebfu c\u00f3 \u0111\u01b0\u1ee3c m\u1ed9t k\u00ednh l\u00fap th\u00ec hay bi\u1ebft m\u1ea5y. D\u00f9ng k\u00ednh l\u00fap c\u00f3 th\u1ec3 h\u1ed9i t\u1ee5 tia s\u00e1ng v\u00e0o ti\u00eau \u0111i\u1ec3m \u0111\u1ec3 l\u1ea5y l\u1eeda. Nh\u01b0ng \u1edf \u0111\u00e2y to\u00e0n b\u0103ng l\u00e0 b\u0103ng, t\u00ecm \u0111\u00e2u ra k\u00ednh l\u00fap \u0111\u00e2y. \u0110\u00fang r\u1ed3i, d\u00f9ng b\u0103ng v\u1eady, d\u00f9ng b\u0103ng \u0111\u1ec3 ch\u1ebf t\u00e1c ra th\u1ea5u k\u00ednh b\u0103ng.<\/p>\n\n\n\n
H\u1ecd ch\u1ecdn ra m\u1ed9t c\u1ee5c b\u0103ng tinh khi\u1ebft c\u00f3 \u0111\u01b0\u1eddng k\u00ednh kho\u1ea3ng 30 cm. Tr\u01b0\u1edbc h\u1ebft h\u1ecd d\u00f9ng r\u00ecu nh\u1ecf \u0111\u1ebdo th\u00e0nh h\u00ecnh, r\u1ed3i d\u00f9ng dao con g\u1ecdt tr\u01a1n tru, sau c\u00f9ng l\u1ea5y tay mi\u1ebft b\u1ec1 m\u1eb7t c\u1ee7a n\u00f3 m\u1ed9t c\u00e1ch c\u1ea9n th\u1eadn cho \u0111\u1ebfn b\u00f3ng lo\u00e1ng l\u00ean. Cu\u1ed1i c\u00f9ng, m\u1ed9t mi\u1ebfng th\u1ea5u k\u00ednh b\u0103ng trong su\u1ed1t \u00f3ng \u00e1nh nh\u01b0 pha l\u00ea \u0111\u00e3 \u0111\u01b0\u1ee3c l\u00e0m xong.<\/p>\n\n\n\n
C\u00f3 th\u1ea5u k\u00ednh b\u0103ng r\u1ed3i, d\u00f9ng n\u00f3 \u0111\u1ec3 l\u1ea5y l\u1eeda kh\u00f4ng ph\u1ea3i l\u00e0 chuy\u1ec7n kh\u00f3 kh\u0103n g\u00ec c\u1ea3. Ch\u1ec9 c\u1ea7n \u0111\u1eb7t th\u1ea5u k\u00ednh b\u0103ng h\u01b0\u1edbng v\u1ec1 M\u1eb7t Tr\u1eddi, \u0111\u1ec3 cho tia s\u00e1ng \u0111i qua n\u00f3 v\u00e0 h\u1ed9i t\u1ee5 l\u00ean ti\u00eau \u0111i\u1ec3m. \u0110\u1ec3 m\u1ed9t \u00edt ch\u1ea5t d\u1ec5 ch\u00e1y nh\u01b0 gi\u1ea5y, d\u0103m b\u00e0o v.v. v\u00e0o ch\u1ed7 ti\u00eau \u0111i\u1ec3m, m\u1ed9t l\u00fac sau, nh\u1eefng tia s\u00e1ng \u0111i qua th\u1ea5u k\u00ednh b\u0103ng h\u1ed9i t\u1ee5 t\u1ea1i ti\u00eau \u0111i\u1ec3m li\u1ec1n c\u00f3 th\u1ec3 \u0111\u1ed1t ch\u00e1y ch\u00fang.<\/p>\n\n\n\n
T\u1eeb kho\u00e1: Th\u1ea5u k\u00ednh b\u0103ng.<\/p>\n\n\n\n
<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
Tho\u1ea1t ngh\u0129, n\u01b0\u1edbc l\u1eeda kh\u00f4ng ch\u1ecbu nhau, b\u0103ng m\u00e0 g\u1eb7p l\u1eeda l\u00e0 tan ch\u1ea3y ra, d\u00f9ng b\u0103ng \u0111\u1ec3 l\u1ea5y l\u1eeda qu\u1ea3 l\u00e0 chuy\u1ec7n ngh\u00ecn l\u1ebb m\u1ed9t \u0111\u00eam. Song n\u1ebfu b\u1ea1n n\u1eafm \u0111\u01b0\u1ee3c m\u1ed9t \u00edt nguy\u00ean l\u00ed quang h\u1ecdc th\u00ec s\u1ebd hi\u1ec3u, d\u00f9ng b\u0103ng ch\u1ebf t\u00e1c th\u00e0nh th\u1ea5u k\u00ednh b\u0103ng th\u00ec ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 d\u00f9ng […]<\/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-5784","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\/5784","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=5784"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/5784\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=5784"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=5784"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=5784"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}