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
C\u00e1c gi\u00e1o vi\u00ean<\/a> v\u1eadt l\u00fd th\u01b0\u1eddng cho r\u1eb1ng h\u00fat l\u00e0 m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng th\u1ea7n b\u00ed. \u0110i\u1ec1u n\u00e0y th\u1eadt kh\u00f3 \u0111\u1ec3 tin v\u00ec th\u1ef1c t\u1ebf th\u00ec ta v\u1eabn d\u00f9ng \u1ed1ng h\u00fat \u0111\u1ec3 h\u00fat n\u01b0\u1edbc ng\u1ecdt. Tuy nhi\u00ean, c\u00e1c gi\u00e1o vi\u00ean<\/a> \u0111\u00e3 n\u00f3i \u0111\u00fang: s\u1ef1 h\u00fat kh\u00f4ng th\u1ef1c s\u1ef1 t\u1ed3n t\u1ea1i. Ch\u00fang ta kh\u00f4ng ph\u1ea3i \u0111ang h\u00fat n\u01b0\u1edbc b\u1eb1ng c\u00e1i \u1ed1ng h\u00fat, thay v\u00ec th\u1ebf ta ch\u1ec9 t\u1ea1o \u0111i\u1ec1u ki\u1ec7n \u0111\u1ec3 kh\u00ed quy\u1ec3n xung quanh \u0111\u1ea9y n\u01b0\u1edbc l\u00ean m\u00e0 th\u00f4i. \u0110\u1ec3 l\u00e0m \u0111i\u1ec1u n\u00e0y ch\u00fang ta c\u1ea7n ph\u1ea3i gi\u1ea3m \u00e1p su\u1ea5t \u1edf n\u01a1i m\u00e0 ta mu\u1ed1n ch\u1ea5t l\u1ecfng \u0111i t\u1edbi, b\u1eb1ng c\u00e1ch r\u00fat kh\u00f4ng kh\u00ed ra kh\u1ecfi \u0111\u1ea7u tr\u00ean c\u1ee7a c\u00e1i \u1ed1ng h\u00fat. M\u1eb7c d\u00f9 vi\u1ec7c n\u00e0y ch\u1ec9 gi\u00fap h\u00fat kh\u00f4ng kh\u00ed trong \u1ed1ng ra, s\u1ef1 di chuy\u1ec3n l\u00ean tr\u00ean c\u1ee7a ch\u1ea5t l\u1ecfng l\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a vi\u1ec7c n\u00f3 c\u00f3 \u00e1p su\u1ea5t \u1edf \u0111\u00e1y \u1ed1ng cao h\u01a1n \u00e1p su\u1ea5t \u1edf \u0111\u1ec9nh \u1ed1ng.<\/p>\n\n\n\n M\u1eb7c d\u00f9 kh\u00f4ng th\u1ef1c s\u1ef1 t\u1ed3n t\u1ea1i, s\u1ef1 h\u00fat l\u1ea1i c\u00f3 \u0111\u01b0\u1ee3c m\u1ed9t s\u1ee9c m\u1ea1nh h\u1ebft s\u1ee9c \u1ea5n t\u01b0\u1ee3ng, nh\u1edd v\u00e0o m\u1ed9t \u0111i\u1ec1u r\u1eb1ng, \u1edf m\u1ef1c n\u01b0\u1edbc bi\u1ec3n, \u00e1p su\u1ea5t kh\u00ed quy\u1ec3n t\u1ea1o ra m\u1ed9t \u00e1p l\u1ef1c kho\u1ea3ng 700 kg\/m2. Ch\u1ec9 c\u1ea7n t\u1ea1o ra \u00e1p su\u1ea5t ch\u00e2n kh\u00f4ng m\u1ed9t ph\u1ea7n c\u0169ng c\u00f3 th\u1ec3 t\u1ea1o n\u00ean m\u1ed9t l\u1ef1c h\u00fat m\u1ea1nh m\u1ebd. Ta s\u1ebd th\u1ea5y \u0111\u01b0\u1ee3c \u0111i\u1ec1u n\u00e0y qua th\u00ed nghi\u1ec7m c\u1ee7a Otto von Guericke v\u00e0o gi\u1eefa nh\u1eefng n\u0103m 1650: s\u1eed d\u1ee5ng m\u1ed9t m\u00e1y b\u01a1m kh\u00f4ng kh\u00ed, \u00f4ng t\u1ea1o ra m\u1ed9t kho\u1ea3ng ch\u00e2n kh\u00f4ng \u1edf gi\u1eefa hai b\u00e1n c\u1ea7u kim lo\u1ea1i c\u00f3 \u0111\u01b0\u1eddng k\u00ednh kho\u1ea3ng 30cm ho\u1eb7c l\u1edbn h\u01a1n, g\u1eafn v\u1edbi nhau ch\u1ec9 b\u1eb1ng m\u1ed9t \u00edt d\u1ea7u. Sau \u0111\u00f3 \u00f4ng c\u1ed9t hai nh\u00f3m ng\u1ef1a v\u00e0o m\u1ed7i b\u00ean b\u00e1n c\u1ea7u v\u00e0 cho ch\u00fang k\u00e9o theo hai h\u01b0\u1edbng ng\u01b0\u1ee3c nhau. Ch\u00fang \u0111\u00e3 kh\u00f4ng th\u1ec3 t\u00e1ch \u0111\u00f4i hai b\u00e1n c\u1ea7u. M\u1eb7c d\u00f9 b\u00ean trong hai b\u00e1n c\u1ea7u ch\u1eb3ng c\u00f3 g\u00ec ngo\u00e0i ch\u00e2n kh\u00f4ng, \u00e1p l\u1ef1c c\u1ee7a c\u1ea3 kh\u00ed quy\u1ec3n tr\u00e1i \u0111\u1ea5t l\u1ea1i \u0111ang \u0111\u1ea9y v\u00e0o m\u1eb7t ngo\u00e0i c\u1ee7a ch\u00fang, k\u1eb9p ch\u1eb7t ch\u00fang v\u00e0o nhau v\u1edbi s\u1ee9c n\u1eb7ng h\u00e0ng t\u1ea5n.<\/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 C\u00e1c gi\u00e1o vi\u00ean v\u1eadt l\u00fd th\u01b0\u1eddng cho r\u1eb1ng h\u00fat l\u00e0 m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng th\u1ea7n b\u00ed. \u0110i\u1ec1u n\u00e0y th\u1eadt kh\u00f3 \u0111\u1ec3 tin v\u00ec th\u1ef1c t\u1ebf th\u00ec ta v\u1eabn d\u00f9ng \u1ed1ng h\u00fat \u0111\u1ec3 h\u00fat n\u01b0\u1edbc ng\u1ecdt. Tuy nhi\u00ean, c\u00e1c gi\u00e1o vi\u00ean […]<\/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-16441","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\/16441","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=16441"}],"version-history":[{"count":1,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/16441\/revisions"}],"predecessor-version":[{"id":16442,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/16441\/revisions\/16442"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=16441"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=16441"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=16441"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}