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
Kh\u00e1i ni\u1ec7m cho r\u1eb1ng ch\u00fang ta s\u1ed1ng trong m\u1ed9t v\u0169 tr\u1ee5 ch\u1ec9 c\u00f3 ba chi\u1ec1u \u0111\u00e3 xu\u1ea5t hi\u1ec7n v\u00e0o th\u1ebf k\u1ef7 17 do tri\u1ebft gia Rene Descartes, ng\u01b0\u1eddi \u0111\u01b0\u1ee3c cho l\u00e0 \u0111\u00e3 n\u1ea3y ra \u00fd t\u01b0\u1edfng \u0111\u00f3 khi \u0111ang n\u1eb1m tr\u00ean gi\u01b0\u1eddng v\u00e0o m\u1ed9t bu\u1ed5i s\u00e1ng. C\u00e2u chuy\u1ec7n \u0111\u00f3 l\u00e0: \u00f4ng \u0111\u00e3 th\u1ea5y m\u1ed9t con ru\u1ed3i \u0111ang bay tr\u00ean tr\u1ea7n nh\u00e0 v\u00e0 nh\u1eadn ra r\u1eb1ng ch\u1ec9 c\u1ea7n ba con s\u1ed1 \u0111\u1ec3 m\u00f4 t\u1ea3 v\u1ecb tr\u00ed c\u1ee7a con ru\u1ed3i: kho\u1ea3ng c\u00e1ch so v\u1edbi hai b\u1ee9c t\u01b0\u1eddng b\u00ean c\u1ea1nh c\u00f9ng v\u1edbi chi\u1ec1u cao so v\u1edbi m\u1eb7t \u0111\u1ea5t.<\/p>\n\n\n\n
Chi\u1ec1u th\u1ee9 t\u01b0 – th\u1eddi gian – \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u01b0a th\u00eam v\u00e0o \u1edf \u0111\u1ea7u th\u1ebf k\u1ef7 20 b\u1edfi Einstein, cho ph\u00e9p c\u1ea3 \u0111\u1ecba \u0111i\u1ec3m v\u00e0 th\u1eddi \u0111i\u1ec3m c\u1ee7a c\u00e1c s\u1ef1 ki\u1ec7n \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c.<\/p>\n\n\n\n
\u00dd t\u01b0\u1edfng cho r\u1eb1ng v\u1eabn c\u00f2n nhi\u1ec1u chi\u1ec1u kh\u00e1c c\u00f3 th\u1ec3 \u0111ang t\u1ed3n t\u1ea1i th\u00ec l\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c n\u00eau l\u00ean v\u00e0o n\u0103m 1919 b\u1edfi nh\u00e0 to\u00e1n h\u1ecdc Theodor Kaluza, ng\u01b0\u1eddi \u0111\u00e3 th\u1ef1c hi\u1ec7n m\u1ed9t ph\u00e1t hi\u1ec7n g\u00e2y kinh ng\u1ea1c r\u1eb1ng vi\u1ec7c c\u1ed9ng th\u00eam chi\u1ec1u th\u1ee9 n\u0103m s\u1ebd d\u1eabn \u0111\u1ebfn m\u1ed9t l\u00fd thuy\u1ebft h\u1ee3p nh\u1ea5t gi\u1eefa hai l\u1ef1c v\u0169 tr\u1ee5 c\u01a1 b\u1ea3n: tr\u1ecdng l\u1ef1c v\u00e0 l\u1ef1c \u0111i\u1ec7n t\u1eeb.<\/p>\n\n\n\n
C\u00e2u h\u1ecfi r\u1eb1ng chi\u1ec1u th\u00eam v\u00e0o n\u00e0y c\u00f3 th\u1ec3 \u0111ang \u1edf \u0111\u00e2u \u0111\u00e3 \u0111\u01b0\u1ee3c tr\u1ea3 l\u1eddi v\u00e0o n\u0103m 1926 b\u1edfi nh\u00e0 to\u00e1n h\u1ecdc Oscar Klein, ng\u01b0\u1eddi \u0111\u00e3 ch\u1ec9 ra r\u1eb1ng c\u00f3 th\u1ec3 n\u00f3 ch\u1ec9 \u0111\u01a1n gi\u1ea3n l\u00e0 b\u1ecb u\u1ed1n cong ch\u1eb7t h\u01a1n nhi\u1ec1u so v\u1edbi nh\u1eefng chi\u1ec1u c\u00f2n l\u1ea1i v\u00e0 kh\u00f4ng th\u1ec3 quan s\u00e1t \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n
\u0110i\u1ec1u n\u00e0y th\u1ef1c s\u1ef1 kh\u00f4ng h\u1ec1 k\u00e9m k\u00ec d\u1ecb h\u01a1n nh\u1eefng g\u00ec b\u1ea1n \u0111ang ngh\u0129. V\u00ed d\u1ee5, V\u1ea1n l\u00fd tr\u01b0\u1eddng th\u00e0nh c\u1ee7a Trung Qu\u1ed1c th\u00ec r\u00f5 r\u1eb1ng l\u00e0 ba chi\u1ec1u khi \u0111\u01b0\u1ee3c nh\u00ecn g\u1ea7n nh\u01b0ng n\u1ebfu \u0111\u01b0\u1ee3c nh\u00ecn t\u1eeb m\u1ed9t m\u00e1y bay \u0111ang bay cao ph\u00eda tr\u00ean \u0111\u1ea7u n\u00f3 th\u00ec ch\u1ec9 c\u00f3 chi\u1ec1u ngang v\u00e0 chi\u1ec1u d\u00e0i l\u00e0 c\u00f2n th\u1ea5y \u0111\u01b0\u1ee3c: m\u1ed9t trong s\u1ed1 c\u00e1c chi\u1ec1u c\u1ee7a n\u00f3 kh\u00f4ng th\u1ec3 th\u1ea5y n\u1eefa. T\u1eeb kh\u00f4ng gian, t\u01b0\u1eddng th\u00e0nh m\u1ea5t th\u00eam m\u1ed9t chi\u1ec1u kh\u00e1c n\u1eefa v\u00e0 tr\u1edf th\u00e0nh m\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng m\u1ecfng, m\u1ed9t-chi\u1ec1u.<\/p>\n\n\n\n
Do \u0111\u00f3, ch\u1ec9 c\u1ea7n ch\u00fang c\u00f2n \u0111\u1ee7 nh\u1ecf, v\u0169 tr\u1ee5 c\u1ee7a ch\u00fang ta s\u1ebd c\u00f2n c\u00f3 th\u1ec3 c\u00f3 th\u00eam nhi\u1ec1u chi\u1ec1u ch\u1ee9 kh\u00f4ng ph\u1ea3i ch\u1ec9 ba chi\u1ec1u m\u00e0 ch\u00fang ta \u0111ang th\u1ea5y.<\/p>\n\n\n\n
\u1ee8ng c\u1eed vi\u00ean t\u1ed1t nh\u1ea5t cho l\u00fd thuy\u1ebft h\u1ee3p nh\u1ea5t c\u1ee7a c\u00e1c l\u1ef1c v\u0169 tr\u1ee5 th\u00ec hi\u1ec7n t\u1ea1i cho r\u1eb1ng v\u0169 tr\u1ee5 c\u00f3 kh\u00f4ng \u00edt h\u01a1n m\u01b0\u1eddi m\u1ed9t chi\u1ec1u nh\u01b0ng n\u00f3 c\u0169ng c\u00f3 m\u1ed9t \u00fd t\u01b0\u1edfng t\u01b0\u01a1ng t\u1ef1 r\u1eb1ng: c\u00f3 b\u1ea3y chi\u1ec1u nh\u1ecf h\u01a1n c\u1ea3 m\u1ed9t nguy\u00ean t\u1eed v\u00e0 do \u0111\u00f3 kh\u00f4ng th\u1ec3 quan s\u00e1t tr\u1ef1c ti\u1ebfp \u0111\u01b0\u1ee3c. C\u00f2n t\u1ea1i sao m\u00e0 ch\u00fang l\u1ea1i v\u1eabn nh\u1ecf trong khi ch\u1ec9 c\u00f3 b\u1ed1n chi\u1ec1u t\u0103ng tr\u01b0\u1edfng l\u00ean \u0111\u1ec3 cho ta th\u1ea5y \u0111\u01b0\u1ee3c cho \u0111\u1ebfn gi\u1edd v\u1eabn ho\u00e0n to\u00e0n b\u00ed \u1ea9n.<\/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 Kh\u00e1i ni\u1ec7m cho r\u1eb1ng ch\u00fang ta s\u1ed1ng trong m\u1ed9t v\u0169 tr\u1ee5 ch\u1ec9 c\u00f3 ba chi\u1ec1u \u0111\u00e3 xu\u1ea5t hi\u1ec7n v\u00e0o th\u1ebf k\u1ef7 17 do tri\u1ebft gia Rene Descartes, ng\u01b0\u1eddi \u0111\u01b0\u1ee3c cho l\u00e0 \u0111\u00e3 n\u1ea3y ra \u00fd t\u01b0\u1edfng \u0111\u00f3 khi \u0111ang […]<\/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-16393","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\/16393","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=16393"}],"version-history":[{"count":1,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/16393\/revisions"}],"predecessor-version":[{"id":16394,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/16393\/revisions\/16394"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=16393"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=16393"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=16393"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}