T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 4 – Arkady Leokum<\/p>\n\n\n\n
Ng\u01b0\u1eddi ta c\u00f3 th\u1ec3 k\u1ec3 vi\u00ean g\u1ea1ch nh\u01b0 m\u1ed9t v\u1eadt li\u1ec7u x\u00e2y c\u1ea5t b\u1ec1n nh\u1ea5t do con ng\u01b0\u1eddi l\u00e0m ra kh\u00f4ng nh\u1ec9? \u0111\u00fang \u0111\u1ea5y, g\u1ea1ch d\u00f9ng trong x\u00e2y d\u1ef1ng t\u1ecf ra b\u1ec1n h\u01a1n \u0111\u00e1 granite, \u0111\u00e1 v\u00f4i v\u00e0 th\u1eadm ch\u00ed c\u00f2n h\u01a1n c\u1ea3 s\u1eaft. G\u1ea1ch l\u00e0 v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng c\u00e1c ng\u00f4i nh\u00e0 cao t\u1ea7ng hi\u1ec7n \u0111\u1ea1i, d\u0129 nhi\u00ean! V\u00e0 n\u00f3 \u0111\u00e3 \u0111\u01b0\u1ee3c d\u00f9ng \u1edf kh\u1eafp n\u01a1i tr\u00ean th\u1ebf gi\u1edbi. Tu\u1ed5i l\u1ecbch s\u1eed c\u1ee7a g\u1ea1ch ch\u1eb3ng thua g\u00ec tu\u1ed5i c\u1ee7a ch\u00ednh l\u1ecbch s\u1eed. Ng\u01b0\u1eddi Babylon c\u1ed5 v\u00e0 ng\u01b0\u1eddi Ai C\u1eadp c\u1ed5 \u0111\u00e3 bi\u1ebft ch\u1ebf t\u1ea1o v\u00e0 s\u1eed d\u1ee5ng g\u1ea1ch t\u1eeb \u00edt nh\u1ea5t c\u0169ng 3000 n\u0103m tr\u01b0\u1edbc C\u00f4ng nguy\u00ean. K\u1ebft qu\u1ea3 c\u1ee7a s\u1ef1 \u0111\u00e0o b\u1edbi kh\u1ea3o c\u1ed5 cho th\u1ea5y c\u00f3 th\u1ec3 ng\u01b0\u1eddi ta \u0111\u00e3 s\u1eed d\u1ee5ng g\u1ea1ch t\u1eeb tr\u01b0\u1edbc \u0111\u00f3 n\u1eefa.<\/p>\n\n\n\n
G\u1ea1ch \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o t\u1eeb thu\u1edf xa x\u01b0a \u1ea5y t\u1ea5t nhi\u00ean l\u00e0 r\u1ea5t th\u00f4 thi\u1ec3n. G\u1ea1ch \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng \u0111\u1ea5t s\u00e9t ho\u1eb7c \u0111\u00e1 phi\u1ebfn s\u00e9t (shale) r\u1ed3i \u0111em nung \u1edf nhi\u1ec7t \u0111\u1ed9 cao. Th\u1eddi xa x\u01b0a, g\u1ea1ch l\u00e0m b\u1eb1ng \u0111\u1ea5t s\u00e9t v\u00e0 \u0111\u00e3 l\u00e0m g\u00ec c\u00f3 m\u00e1y m\u00f3c l\u00e0m g\u1ea1ch. \u0111\u1ea5t s\u00e9t \u0111\u01b0\u1ee3c nh\u00e0o luy\u1ec7n v\u1edbi n\u01b0\u1edbc b\u1eb1ng\u2026 ch\u00e2n! C\u0169ng c\u00f3 khi ng\u01b0\u1eddi ta tr\u1ed9n v\u1edbi r\u01a1m. \u0111\u1ea5t s\u00e9t tr\u1ed9n n\u00e0y c\u0169ng \u0111\u01b0\u1ee3c n\u1eb7n b\u1eb1ng tay theo h\u00ecnh d\u1ea1ng, k\u00edch c\u1ee1 t\u00f9y \u00fd r\u1ed3i \u0111em ph\u01a1i n\u1eafng. Ph\u01b0\u01a1ng ph\u00e1p l\u00e0m g\u1ea1ch th\u00f4 s\u01a1 n\u00e0y \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n su\u1ed1t cho \u0111\u1ebfn khi ng\u01b0\u1eddi ta nh\u1eadn th\u1ea5y l\u00e0 n\u1ebfu \u0111em nung th\u00ec g\u1ea1ch s\u1ebd tr\u1edf n\u00ean c\u1ee9ng v\u00e0 b\u1ec1n h\u01a1n, d\u00f9 n\u00f3 \u0111\u01b0\u1ee3c d\u00f9ng \u1edf nh\u1eefng n\u01a1i \u1ea9m th\u1ea5p. V\u00e0 kh\u00f4ng c\u1ea7n tr\u1ed9n \u0111\u1ea5t s\u00e9t v\u1edbi r\u01a1m n\u1eefa.<\/p>\n\n\n\n
\u1ede Hoa K\u1ef3, th\u1eddi k\u1ef3 \u0111\u1ea7u ti\u00ean, g\u1ea1ch \u0111\u01b0\u1ee3c ch\u1edf b\u1eb1ng t\u00e0u thuy\u1ec1n b\u00ean Anh qua. Nh\u01b0ng \u00edt l\u00e2u sau khi \u0111\u1ecbnh c\u01b0 t\u1ea1i Virginia v\u00e0 \u1edf Massachusetts, c\u00e1i l\u00f2 g\u1ea1ch \u0111\u1ea7u ti\u00ean ra \u0111\u1eddi. M\u00e1y l\u00e0m g\u1ea1ch \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o b\u00ean Anh l\u1ea7n \u0111\u1ea7u ti\u00ean v\u00e0o n\u0103m 1880.<\/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 4 – Arkady Leokum Ng\u01b0\u1eddi ta c\u00f3 th\u1ec3 k\u1ec3 vi\u00ean g\u1ea1ch nh\u01b0 m\u1ed9t v\u1eadt li\u1ec7u x\u00e2y c\u1ea5t b\u1ec1n nh\u1ea5t do con ng\u01b0\u1eddi l\u00e0m ra kh\u00f4ng nh\u1ec9? \u0111\u00fang \u0111\u1ea5y, g\u1ea1ch d\u00f9ng trong x\u00e2y d\u1ef1ng t\u1ecf ra b\u1ec1n h\u01a1n \u0111\u00e1 granite, \u0111\u00e1 v\u00f4i v\u00e0 th\u1eadm […]<\/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-14403","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\/14403","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=14403"}],"version-history":[{"count":1,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/14403\/revisions"}],"predecessor-version":[{"id":14404,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/14403\/revisions\/14404"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=14403"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=14403"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=14403"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}