T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 10 – Arkady Leokum<\/p>\n\n\n\n
B\u1ea5t k\u00ec ai c\u00f3 m\u1ed9t \u00edt hi\u1ec3u bi\u1ebft v\u1ec1 h\u00e0ng h\u1ea3i \u0111\u1ec1u bi\u1ebft r\u1eb1ng \u0111i\u1ec1u tr\u00ean kh\u00f4ng ph\u1ea3i lu\u00f4n lu\u00f4n \u0111\u00fang: kho\u1ea3ng c\u00e1ch ng\u1eafn nh\u1ea5t gi\u1eefa hai \u0111i\u1ec3m b\u1ea5t k\u00ec tr\u00ean \u0111\u1ecba c\u1ea7u (ho\u1eb7c b\u1ea5t c\u1ee9 qu\u1ea3 c\u1ea7u n\u00e0o) l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a m\u1ed9t \u201c\u0111\u01b0\u1eddng tr\u00f2n kh\u1ed5ng l\u1ed3\u201d c\u00f3 \u0111\u01b0\u1eddng k\u00ednh b\u1eb1ng v\u1edbi \u0111\u01b0\u1eddng k\u00ednh c\u1ee7a \u0111\u01b0\u1eddng x\u00edch \u0111\u1ea1o.<\/p>\n\n\n\n
Tuy nhi\u00ean, \u0111i\u1ec1u \u0111\u00f3 l\u1ea1i lu\u00f4n \u0111\u00fang tr\u00ean nh\u1eefng t\u1edd gi\u1ea5y ph\u1eb3ng, v\u00e0 m\u1ed9t b\u1eb1ng ch\u1ee9ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c r\u00fat ra t\u1eeb c\u00e1c \u0111\u1ecbnh l\u00fd v\u1ec1 tam gi\u00e1c c\u1ee7a Euclid trong th\u1ebf k\u1ec9 th\u1ee9 t\u01b0 tr\u01b0\u1edbc C\u00f4ng nguy\u00ean. V\u1ebd hai \u0111i\u1ec3m A v\u00e0 B v\u1edbi m\u1ed9t \u0111o\u1ea1n th\u1eb3ng n\u1ed1i gi\u1eefa ch\u00fang, sau \u0111\u00f3 h\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng r\u1eb1ng c\u00f3 m\u1ed9t \u0111\u01b0\u1eddng kh\u00e1c c\u00f3 th\u1ec3 n\u1ed1i hai \u0111i\u1ec3m \u0111\u00f3, \u0111\u01b0\u1eddng \u0111i \u0111\u00f3 khi\u1ebfn b\u1ea1n c\u00f3 th\u1ec3 nh\u1ea3y qua \u0111o\u1ea1n th\u1eb3ng kia, ngang qua m\u1ed9t \u0111i\u1ec3m C. C\u00e1c \u0110\u1ecbnh lu\u1eadt c\u1ee7a Euclid ch\u1ec9 ra r\u1eb1ng d\u00f9 \u0111i\u1ec3m C c\u00f3 g\u1ea7n nh\u01b0 n\u1eb1m tr\u00ean \u0111o\u1ea1n th\u1eb3ng ban \u0111\u1ea7u, kho\u1ea3ng c\u00e1ch t\u1eeb n\u00f3 \u0111\u1ebfn \u0111i\u1ec3m A c\u1ed9ng v\u1edbi kho\u1ea3ng c\u00e1ch t\u1eeb n\u00f3 \u0111\u1ebfn \u0111i\u1ec3m B th\u00ec lu\u00f4n lu\u00f4n l\u1edbn h\u01a1n kho\u1ea3ng c\u00e1ch ban \u0111\u1ea7u gi\u1eefa \u0111i\u1ec3m A v\u00e0 B. N\u00ean, ch\u1ec9 m\u1ed9t g\u00f3c l\u1ec7ch r\u1ea5t nh\u1ecf so v\u1edbi \u0111\u01b0\u1eddng th\u1eb3ng ban \u0111\u1ea7u c\u0169ng lu\u00f4n lu\u00f4n l\u00e0m t\u0103ng th\u00eam kho\u1ea3ng c\u00e1ch.<\/p>\n\n\n\n
C\u00f3 th\u1ec3 kh\u00e1i qu\u00e1t h\u00f3a \u00fd t\u01b0\u1edfng bi\u1ebfn m\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng th\u00e0nh m\u1ed9t m\u1eb7t cong. Vi\u1ec7c t\u00ednh to\u00e1n h\u00ecnh d\u1ea1ng c\u1ee7a n\u00f3 g\u00e2y ra kh\u00e1 nhi\u1ec1u kh\u00f3 kh\u0103n cho c\u00e1c nh\u00e0 to\u00e1n h\u1ecdc cho \u0111\u1ebfn t\u1eadn n\u0103m 1915, khi Einstein \u0111\u01b0a ra Thuy\u1ebft t\u01b0\u01a1ng \u0111\u1ed1i. Thuy\u1ebft n\u00e0y n\u00f3i r\u1eb1ng c\u00e1c tia s\u00e1ng \u0111i theo d\u1ea1ng s\u00f3ng, h\u00ecnh d\u1ea1ng gi\u00fap \u0111\u01b0a ra c\u00e1ch \u0111o \u0111\u1ea1c c\u01b0\u1eddng \u0111\u1ed9 tr\u1ecdng l\u1ef1c.<\/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 10 – Arkady Leokum B\u1ea5t k\u00ec ai c\u00f3 m\u1ed9t \u00edt hi\u1ec3u bi\u1ebft v\u1ec1 h\u00e0ng h\u1ea3i \u0111\u1ec1u bi\u1ebft r\u1eb1ng \u0111i\u1ec1u tr\u00ean kh\u00f4ng ph\u1ea3i lu\u00f4n lu\u00f4n \u0111\u00fang: kho\u1ea3ng c\u00e1ch ng\u1eafn nh\u1ea5t gi\u1eefa hai \u0111i\u1ec3m b\u1ea5t k\u00ec tr\u00ean \u0111\u1ecba c\u1ea7u (ho\u1eb7c b\u1ea5t c\u1ee9 qu\u1ea3 c\u1ea7u n\u00e0o) […]<\/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-16138","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\/16138","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=16138"}],"version-history":[{"count":1,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/16138\/revisions"}],"predecessor-version":[{"id":16139,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/16138\/revisions\/16139"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=16138"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=16138"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=16138"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}