T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 5 – Arkady Leokum<\/p>\n\n\n\n
Trong s\u1ed1 c\u00e1c lo\u1ea1i s\u1ee3i d\u00f9ng \u0111\u1ec3 ch\u1ebf t\u1ea1o v\u1ea3i may qu\u1ea7n \u00e1o th\u00ec b\u00f4ng v\u1ea3i l\u00e0 quan tr\u1ecdng nh\u1ea5t, c\u00f3 th\u1ec3 n\u00f3i \u0111\u00f3 l\u00e0 v\u1eadt li\u1ec7u ch\u1ee7 y\u1ebfu. V\u00ec nhi\u1ec1u l\u00fd do, ch\u1eb3ng h\u1ea1n, t\u1ef1 n\u00f3, b\u00f4ng v\u1ea3i \u0111\u00e3 c\u00f3 s\u1ee3i, do \u0111\u00f3 d\u1ec5 se th\u00e0nh s\u1ee3i m\u00e0 kh\u00f4ng t\u1ed1n nhi\u1ec1u c\u00f4ng c\u1ee7a \u0111\u1ed3ng th\u1eddi d\u1ec5 ch\u1ebf bi\u1ebfn, d\u1ec5 gi\u1eb7t.<\/p>\n\n\n\n
T\u1eeb ba ng\u00e0n n\u0103m tr\u01b0\u1edbc con ng\u01b0\u1eddi \u0111\u00e3 bi\u1ebft x\u00e0i b\u00f4ng v\u1ea3i. Tr\u01b0\u1edbc ng\u01b0\u1eddi \u00c2u r\u1ea5t l\u00e2u, ng\u01b0\u1eddi \u1ea4n v\u00e0 ng\u01b0\u1eddi Trung Qu\u1ed1c \u0111\u00e3 bi\u1ebft x\u00e0i b\u00f4ng v\u1ea3i. Th\u1eadt ra, cho \u0111\u1ebfn khi ng\u01b0\u1eddi \u00c2u bi\u1ebft \u0111\u1ebfn b\u00f4ng v\u1ea3i th\u00ec h\u1ecd c\u1ee9 t\u01b0\u1edfng \u0111\u00f3 l\u00e0 lo\u1ea1i s\u1ee3i len, cho n\u00ean, r\u1ea5t l\u00e2u h\u1ecd c\u1ee9 g\u1ecdi b\u00f4ng v\u1ea3i l\u00e0 \u201cb\u00f4ng len\u201d (cotton wool). L\u00fac \u0111\u1ea7u, v\u1ea3i l\u00e0m b\u1eb1ng b\u00f4ng v\u1ea3i r\u1ea5t \u0111\u1eaft. \u1ede ch\u00e2u \u00c2u, ch\u1ec9 h\u00e0ng vua ch\u00faa, sang c\u1ea3, gi\u00e0u c\u00f3 m\u1edbi d\u00e1m s\u1eafm. Ch\u00e2u M\u1ef9 m\u00e0 t\u00ecm ra \u0111\u01b0\u1ee3c m\u1ed9t ph\u1ea7n c\u0169ng ch\u1ec9 v\u00ec Columbus mu\u1ed1n t\u00ecm con \u0111\u01b0\u1eddng ng\u1eafn nh\u1ea5t \u0111i \u0111\u1ebfn \u1ea4n \u0111\u1ed9 \u0111\u1eb7ng mua v\u1ea3i b\u00f4ng \u0111em v\u1ec1 ch\u00e2u \u00c2u.<\/p>\n\n\n\n
C\u00e2y b\u00f4ng v\u1ea3i ch\u1ec9 cao ch\u1eebng 1,2m \u0111\u1ebfn 1,5m. C\u00e1i b\u00f4ng (hoa) c\u1ee7a n\u00f3 n\u1edf ra c\u00f3 m\u00e0u tr\u1eafng h\u01a1i ng\u1ea3 m\u00e0u v\u00e0ng kem, th\u1eddi gian sau l\u1ea1i ng\u1ea3 m\u00e0u v\u00e0ng l\u1ee3t. Sau \u0111\u00f3 l\u00e0 th\u00e0nh \u201cqu\u1ea3\u201d. Trong kho\u1ea3ng 6 \u0111\u1ebfn 9 tu\u1ea7n l\u1ec5, \u201cqu\u1ea3\u201d ch\u00edn, v\u1ecf bi\u1ebfn th\u00e0nh m\u00e0u n\u00e2u. \u201cQu\u1ea3\u201d n\u1edf ra \u0111\u1ec3 l\u1ed9 m\u1ed9t \u201cn\u1eafm\u201d s\u1ee3i tr\u1eafng x\u00f3a. S\u1ee3i \u0111\u00f3 gi\u1ed1ng nh\u01b0 s\u1ee3i b\u00f4ng d\u00e0i m\u1ecdc ra t\u1eeb c\u00e1c h\u1ea1t b\u00f4ng v\u1ea3i. Khi h\u00e1i b\u00f4ng v\u1ea3i ph\u1ea3i r\u1ea5t c\u1ea9n th\u1eadn \u0111\u1ec3 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn nh\u1eefng tr\u00e1i ch\u01b0a ch\u00edn. Nh\u1eefng tr\u00e1i \u0111\u01b0\u1ee3c h\u00e1i s\u1ebd ch\u1ea5t l\u00ean xe ch\u1edf v\u1ec1 nh\u00e0 m\u00e1y \u0111\u1ec3 t\u00e1ch h\u1ed9t ra kh\u1ecfi s\u1ee3i. M\u00e1y t\u00e1ch h\u1ed9t \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201cgin\u201d, n\u00f3i t\u1eaft c\u1ee7a ti\u1ebfng \u201cengine\u201d ngh\u0129a l\u00e0 c\u1ed7 m\u00e1y. M\u00e1y t\u00e1ch h\u1ed9t b\u00f4ng do Eli Whitney s\u00e1ng ch\u1ebf. L\u00e0m b\u1eb1ng tay, m\u1ed9t ng\u01b0\u1eddi ph\u1ea3i m\u1ea5t m\u1ed9t ng\u00e0y m\u1edbi t\u00e1ch \u0111\u01b0\u1ee3c ch\u1eebng n\u1eeda k\u00ed l\u00f4 b\u00f4ng v\u1ea3i. Nh\u01b0ng m\u1ed9t c\u00e1i m\u00e1y t\u00e1ch h\u1ed9t b\u00f4ng th\u00ec m\u1ed9t ng\u00e0y c\u00f3 th\u1ec3 t\u00e1ch \u0111\u01b0\u1ee3c v\u00e0i ng\u00e0n k\u00ed l\u00f4.<\/p>\n\n\n\n
Sau khi t\u00e1ch h\u1ed9t, b\u00f4ng \u0111\u01b0\u1ee3c \u0111\u00f3ng th\u00e0nh \u201cb\u00e0nh\u201d, m\u1ed7i b\u00e0nh n\u1eb7ng v\u00e0o kho\u1ea3ng 250 k\u00ed l\u00f4 v\u00e0 \u0111\u01b0\u1ee3c ch\u1edf \u0111\u1ebfn nh\u00e0 m\u00e1y k\u00e9o s\u1ee3i \u0111\u1ec3 d\u1ec7t \u0111\u1ee7 th\u1ee9 v\u1ea3i, d\u00f9ng v\u00e0o \u0111\u1ee7 vi\u1ec7c nh\u01b0 l\u00e0m b\u0103ng c\u1ee9u th\u01b0\u01a1ng cho \u0111\u1ebfn v\u1ea3i b\u1ed1, v\u1ea3i b\u1ea1t\u2026 \u0111\u01b0\u1ee3c ch\u1ebf bi\u1ebfn sao cho kh\u00f4ng ng\u1ea5m n\u01b0\u1edbc, v\u1ea3i b\u00f4ng \u0111\u01b0\u1ee3c d\u00f9ng l\u00e0m d\u00f9 che m\u01b0a, \u00e1o m\u01b0a.<\/p>\n\n\n\n
B\u00f4ng v\u1ea3i l\u00e0 m\u1ed9t trong nh\u1eefng v\u1eadt li\u1ec7u \u0111a d\u1ee5ng nh\u1ea5t m\u00e0 lo\u00e0i ng\u01b0\u1eddi bi\u1ebft \u0111\u01b0\u1ee3c.<\/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 5 – Arkady Leokum Trong s\u1ed1 c\u00e1c lo\u1ea1i s\u1ee3i d\u00f9ng \u0111\u1ec3 ch\u1ebf t\u1ea1o v\u1ea3i may qu\u1ea7n \u00e1o th\u00ec b\u00f4ng v\u1ea3i l\u00e0 quan tr\u1ecdng nh\u1ea5t, c\u00f3 th\u1ec3 n\u00f3i \u0111\u00f3 l\u00e0 v\u1eadt li\u1ec7u ch\u1ee7 y\u1ebfu. V\u00ec nhi\u1ec1u l\u00fd do, ch\u1eb3ng h\u1ea1n, t\u1ef1 n\u00f3, b\u00f4ng v\u1ea3i […]<\/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-14731","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\/14731","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=14731"}],"version-history":[{"count":1,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/14731\/revisions"}],"predecessor-version":[{"id":14732,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/14731\/revisions\/14732"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=14731"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=14731"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=14731"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}