{"id":16128,"date":"2021-11-27T20:01:31","date_gmt":"2021-11-27T13:01:31","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=16128"},"modified":"2021-11-27T20:01:33","modified_gmt":"2021-11-27T13:01:33","slug":"lam-cach-nao-de-mot-nguoi-co-the-muong-tuong-ra-con-so-mot-trieu","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/lam-cach-nao-de-mot-nguoi-co-the-muong-tuong-ra-con-so-mot-trieu\/","title":{"rendered":"L\u00e0m c\u00e1ch n\u00e0o \u0111\u1ec3 m\u1ed9t ng\u01b0\u1eddi c\u00f3 th\u1ec3 m\u01b0\u1eddng t\u01b0\u1ee3ng ra con s\u1ed1 m\u1ed9t tri\u1ec7u?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 10 &#8211; Arkady Leokum<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t trong nh\u1eefng th\u00e1ch th\u1ee9c th\u00fa v\u1ecb nh\u1ea5t c\u1ee7a vi\u1ec7c <a href=\"https:\/\/www.vietlearn.org\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Vietlearn\" rel=\"nofollow\">vi\u1ebft b\u00e0i<\/a> trong khoa h\u1ecdc ch\u00ednh l\u00e0 vi\u1ec7c \u0111\u01b0a ra c\u00e1c c\u00e1ch \u0111\u1ec3 m\u01b0\u1eddng t\u01b0\u1ee3ng nh\u1eefng th\u1ee9 n\u1eb1m ngo\u00e0i nh\u1eefng d\u00e3y s\u1ed1 th\u00f4ng th\u01b0\u1eddng ta g\u1eb7p. L\u00e0m t\u1ed1t \u0111i\u1ec1u \u0111\u00f3, c\u00e1c k\u1ebft qu\u1ea3 c\u00f3 th\u1ec3 t\u1ea1o n\u00ean m\u1ed9t \u1ea5n t\u01b0\u1ee3ng r\u1ea5t l\u00e2u d\u00e0i. M\u1ed9t cu\u1ed1n s\u00e1ch v\u1ec1 thi\u00ean v\u0103n h\u1ecdc \u0111\u00e3 \u0111\u01b0a ra m\u1ed9t h\u00ecnh t\u01b0\u1ee3ng c\u00f3 th\u1ec3 nh\u1edb \u0111\u01b0\u1ee3c m\u1ed9t c\u00e1ch chi ti\u1ebft v\u1ec1 s\u1ef1 kh\u1ed5ng l\u1ed3 c\u1ee7a h\u1ec7 m\u1eb7t tr\u1eddi. Theo t\u00e1c gi\u1ea3 quy\u1ec3n s\u00e1ch, n\u1ebfu m\u1eb7t tr\u1eddi \u0111\u01b0\u1ee3c t\u01b0\u1ee3ng tr\u01b0ng b\u1edfi m\u1ed9t qu\u1ea3 banh ch\u01a1i tr\u00ean b\u1edd bi\u1ec3n, th\u00ec tr\u00e1i \u0111\u1ea5t gi\u1ed1ng nh\u01b0 m\u1ed9t ng\u01b0\u1eddi ch\u01a1i \u1edf c\u00e1ch \u0111\u00f3 30 b\u01b0\u1edbc ch\u00e2n v\u00e0 sao Di\u00eam V\u01b0\u01a1ng l\u00e0 \u0111i\u1ec3m d\u1eebng c\u00e1ch \u0111\u01b0\u1eddng xu\u1ed1ng b\u1edd bi\u1ec3n 1,2 km. Ch\u01b0a h\u1ebft, n\u1ebfu theo c\u00e1ch chia nh\u01b0 \u00fd t\u01b0\u1edfng k\u00ec qu\u1eb7c tr\u00ean, th\u00ec ng\u00f4i sao g\u1ea7n nh\u1ea5t s\u1ebd n\u1eb1m c\u00e1ch xa m\u1eb7t tr\u1eddi kho\u1ea3ng h\u01a1n 8.000 km.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c minh h\u1ecda nh\u1eefng con s\u1ed1 thu\u1ea7n t\u00fay th\u00ec kh\u00e1 kh\u00f3 nh\u01b0ng m\u1ed9t c\u00e1ch hay \u0111\u1ec3 m\u01b0\u1eddng t\u01b0\u1ee3ng m\u1ed9t tri\u1ec7u l\u00e0 s\u1eed d\u1ee5ng gi\u1ea5y d\u00f9ng \u0111\u1ec3 v\u1ebd \u0111\u1ed3 th\u1ecb (gi\u1ea5y c\u00f3 k\u1ebb s\u1eb5n nh\u1eefng \u00f4 vu\u00f4ng): m\u1ed9t t\u1edd gi\u1ea5y A4 v\u1edbi nh\u1eefng \u00f4 vu\u00f4ng c\u00f3 k\u00edch th\u01b0\u1edbc 2mm2 th\u00ec ch\u1ee9a kho\u1ea3ng 15.540 \u00f4 vu\u00f4ng. V\u1edbi c\u00e1ch t\u00ednh nh\u01b0 tr\u00ean, 65 t\u1edd gi\u1ea5y ch\u1ec9 ch\u1ee9a h\u01a1n m\u1ed9t tri\u1ec7u \u00f4 vu\u00f4ng. M\u1ed9t c\u00e1ch kh\u00e1c l\u00e0 s\u1eed d\u1ee5ng \u0111\u01b0\u1eddng: m\u1ed9t tri\u1ec7u h\u1ea1t \u0111\u01b0\u1eddng n\u1eb7ng kho\u1ea3ng 700g, trong khi m\u1ed9t t\u1ec9 h\u1ea1t \u0111\u01b0\u1eddng ch\u1ec9 n\u1eb7ng h\u01a1n 0.75 t\u1ea5n m\u1ed9t ch\u00fat.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u1eefng c\u00e1ch ph\u00e2n t\u00edch tr\u00ean c\u00f3 th\u1ec3 tr\u1edf n\u00ean \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch khi c\u1ed1 g\u1eafng l\u00e0m r\u00f5 s\u1ef1 kh\u1ed5ng l\u1ed3 c\u1ee7a nh\u1eefng con s\u1ed1 n\u00e0o \u0111\u00f3. V\u00ed d\u1ee5, c\u01a1 h\u1ed9i tr\u00fang s\u1ed1 \u1edf Anh l\u00e0 m\u1ed9t ph\u1ea7n 13.983.816, m\u1ed9t con s\u1ed1 m\u00e0 th\u1eadt s\u1ef1 kh\u00f4ng th\u1ec3 m\u01b0\u1eddng t\u01b0\u1ee3ng th\u1ea5y. S\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p gi\u1ea5y v\u1ebd \u0111\u1ed3 th\u1ecb, m\u1ecdi th\u1ee9 tr\u1edf n\u00ean r\u00f5 h\u01a1n m\u1ed9t ch\u00fat: vi\u1ec7c l\u1ea5y \u0111\u01b0\u1ee3c ch\u00ednh x\u00e1c s\u00e1u con s\u1ed1 gi\u1ed1ng nh\u01b0 vi\u1ec7c ch\u1ecdn m\u1ed9t \u00f4 vu\u00f4ng 2mm2 gi\u1eefa m\u1ed9t ch\u1ed3ng 900 t\u1edd gi\u1ea5y. T\u01b0\u01a1ng t\u1ef1, s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p \u0111\u01b0\u1eddng, vi\u1ec7c l\u1ea5y \u0111\u01b0\u1ee3c ch\u00ednh x\u00e1c s\u00e1u con s\u1ed1 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng vi\u1ec7c t\u00ecm m\u1ed9t h\u1ea1t \u0111\u01b0\u1eddng m\u00e0u \u0111en gi\u1eefa 10 kg \u0111\u01b0\u1eddng.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 10 &#8211; Arkady Leokum M\u1ed9t trong nh\u1eefng th\u00e1ch th\u1ee9c th\u00fa v\u1ecb nh\u1ea5t c\u1ee7a vi\u1ec7c vi\u1ebft b\u00e0i trong khoa h\u1ecdc ch\u00ednh l\u00e0 vi\u1ec7c \u0111\u01b0a ra c\u00e1c c\u00e1ch \u0111\u1ec3 m\u01b0\u1eddng t\u01b0\u1ee3ng nh\u1eefng th\u1ee9 n\u1eb1m ngo\u00e0i nh\u1eefng d\u00e3y s\u1ed1 th\u00f4ng th\u01b0\u1eddng ta g\u1eb7p. L\u00e0m t\u1ed1t \u0111i\u1ec1u [&hellip;]<\/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-16128","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\/16128","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=16128"}],"version-history":[{"count":1,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/16128\/revisions"}],"predecessor-version":[{"id":16129,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/16128\/revisions\/16129"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=16128"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=16128"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=16128"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}