<\/p>\n\n\n\n
\u0110\u1ea7u ti\u00ean, h\u00e3y xem x\u00e9t m\u1ed9t c\u00e2u h\u1ecfi l\u1edbn c\u1ee7a v\u1eadt l\u00fd thi\u00ean v\u0103n: V\u0169 tr\u1ee5 c\u00f3 gi\u1edbi h\u1ea1n hay kh\u00f4ng?<\/p>\n\n\n\n
Okay<\/p>\n\n\n\n
Xem x\u00e9t…<\/p>\n\n\n\n
Xem x\u00e9t…<\/p>\n\n\n\n
B\u00e2y gi\u1edd, ta quay l\u1ea1i v\u1edbi \u0111\u1eddi s\u1ed1ng hi\u1ec7n t\u1ea1i, quay l\u1ea1i v\u1edbi \u0110\u1ecba c\u1ea7u. H\u00e3y ngh\u0129 v\u1ec1 m\u1ed9t th\u1eddi \u0111\u1ea1i c\u1ed5 x\u01b0a n\u00e0o \u0111\u00f3, khi lo\u00e0i ng\u01b0\u1eddi ch\u01b0a b\u01b0\u1edbc ch\u00e2n ra ngo\u00e0i kh\u00f4ng gian bao la kia… Xa h\u01a1n n\u1eefa, khi ch\u00fang ta ch\u01b0a bi\u1ebft \u0111\u1ebfn m\u00e1y bay, ch\u00fang ta ch\u1ec9 di chuy\u1ec3n tr\u00ean m\u1eb7t \u0111\u1ea5t. Trong kh\u00f4ng gian v\u1eadt l\u00fd c\u1ea5p m\u1ed9t \u0111\u00f3, lo\u00e0i ng\u01b0\u1eddi c\u00f3 th\u1ec3 di chuy\u1ec3n t\u1ef1 do tr\u00ean m\u1ed9t m\u1eb7t ph\u1eb3ng. V\u00e0 c\u00e2u h\u1ecfi l\u1edbn c\u1ee7a c\u00e1c nh\u00e0 v\u1eadt l\u00fd, c\u00e1c tri\u1ebft gia l\u00fac \u0111\u00f3 l\u00e0: \u0110\u1ecba c\u1ea7u c\u00f3 gi\u1edbi h\u1ea1n hay kh\u00f4ng?<\/p>\n\n\n\n
\u0110\u1ec3 ki\u1ec3m ch\u1ee9ng \u0111i\u1ec1u \u0111\u00f3, h\u1ecd b\u1eaft \u0111\u1ea7u m\u1ed9t chuy\u1ebfn du h\u00e0nh, ho\u1eb7c ta c\u1ee9 gi\u1ea3 t\u01b0\u1edfng r\u1eb1ng h\u1ecd b\u1eaft \u0111\u1ea7u m\u1ed9t chuy\u1ebfn du h\u00e0nh, theo m\u1ed9t \u0111\u01b0\u1eddng th\u1eadt th\u1eb3ng, \u0111i m\u00e3i \u0111i m\u00e3i. Th\u1eadt v\u1eady, \u0111\u1ec3 bi\u1ebft \u0111\u01b0\u1ee3c bi\u00ean gi\u1edbi c\u1ee7a \u0110\u1ecba c\u1ea7u, ng\u01b0\u1eddi ta c\u00f2n c\u00f3 th\u1ec3 l\u00e0m c\u00e1ch n\u00e0o kh\u00e1c h\u01a1n l\u00e0 c\u1ee9 \u0111i th\u1eb3ng m\u00e3i v\u1ec1 ph\u00eda ch\u00e2n tr\u1eddi g\u00f3c bi\u1ec3n \u0111\u00f3.<\/p>\n\n\n\n
K\u1ebft qu\u1ea3 l\u00e0 g\u00ec, ch\u00fang ta, lo\u00e0i ng\u01b0\u1eddi \u1edf th\u1ebf k\u1ef7 m\u1edbi n\u00e0y, h\u1eb3n \u0111\u00e3 \u0111o\u00e1n \u0111\u01b0\u1ee3c. Chuy\u1ebfn du h\u00e0nh \u0111\u00f3 s\u1ebd k\u1ebft th\u00fac \u1edf ngay t\u1ea1i xu\u1ea5t ph\u00e1t \u0111i\u1ec3m, m\u1ed9t v\u00e0i n\u0103m sau \u0111\u00f3 (ho\u1eb7c c\u00f3 th\u1ec3 x\u00ea x\u00edch \u0111i m\u1ed9t t\u00ed v\u00ec tr\u00e1i \u0111\u1ea5t kh\u00f4ng tr\u00f2n \u0111\u1ec1u cho l\u1eafm, v\u00e0 mi\u1ec5n l\u00e0 nh\u1eefng nh\u00e0 v\u1eadt l\u00fd, tri\u1ebft gia c\u1ee7a ch\u00fang ta c\u00f3 s\u1ee9c s\u1ed1ng m\u00e3nh li\u1ec7t v\u00e0 tay l\u00e1i v\u00f4 c\u00f9ng v\u1eefng ch\u1eafc \u0111\u1ec3 c\u1ee9 \u0111i th\u1eb3ng m\u00e3i m\u1ed9t \u0111\u01b0\u1eddng)<\/p>\n\n\n\n
Ch\u00fang ta r\u00fat ra \u0111\u01b0\u1ee3c \u0111i\u1ec1u g\u00ec t\u1eeb c\u00e2u chuy\u1ec7n \u0111\u00f3?<\/p>\n\n\n\n
V\u1ea1n v\u1eadt trong kh\u00f4ng gian v\u1eadt l\u00fd c\u1ea5p m\u1ed9t ch\u1ecbu \u1ea3nh h\u01b0\u1edfng c\u1ee7a m\u00f4i tr\u01b0\u1eddng kh\u00f4ng gian v\u1eadt l\u00fd c\u1ea5p m\u1ed9t, m\u00e0 \u1edf \u0111\u00e2y hi\u1ec7n di\u1ec7n l\u00e0 tr\u1ecdng l\u1ef1c. Tr\u1ecdng l\u1ef1c \u0111\u00e3 b\u1ebb cong \u0111\u01b0\u1eddng \u0111i c\u1ee7a chuy\u1ebfn du h\u00e0nh \u0111\u00f3, hay n\u00f3i c\u00e1ch kh\u00e1c, tr\u1ecdng l\u1ef1c \u0111\u00e3 u\u1ed1n cong m\u00f4i tr\u01b0\u1eddng kh\u00f4ng gian v\u1eadt l\u00fd c\u1ea5p m\u1ed9t c\u1ee7a ch\u00fang ta, m\u00e0 ch\u00fang ta kh\u00f4ng th\u1ec3 n\u00e0o hay bi\u1ebft. V\u00ec sao ch\u00fang ta kh\u00f4ng hay bi\u1ebft? V\u00ec ch\u00fang ta ch\u01b0a th\u1ec3 n\u00e0o di chuy\u1ec3n ra kh\u1ecfi kh\u00f4ng gian v\u1eadt l\u00fd c\u1ea5p m\u1ed9t \u0111\u00f3, ch\u00fang ta ch\u1ec9 loay hoay \u0111i l\u1ea1i tr\u00ean m\u1eb7t \u0111\u1ea5t. M\u1ecdi s\u1ef1 v\u1eadt hi\u1ec7n t\u01b0\u1ee3ng, m\u1ecdi h\u1ec7 quy chi\u1ebfu, m\u1ecdi cu\u1ed9c du h\u00e0nh c\u1ee7a ch\u00fang ta \u0111\u1ec1u g\u00f3i g\u1ecdn trong kh\u00f4ng gian v\u1eadt l\u00fd c\u1ea5p m\u1ed9t. Ch\u00fang ta c\u1ee9 ng\u00e2y th\u01a1 t\u01b0\u1edfng r\u1eb1ng m\u00ecnh \u0111ang \u0111i tr\u00ean m\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng c\u1ee7a m\u1ed9t m\u1eb7t ph\u1eb3ng ho\u00e0n to\u00e0n. Nh\u01b0ng th\u1ef1c t\u1ebf m\u1eb7t ph\u1eb3ng c\u1ee7a ch\u00fang ta (t\u1ee9c l\u00e0 kh\u00f4ng gian v\u1eadt l\u00fd c\u1ea5p m\u1ed9t c\u1ee7a ch\u00fang ta) \u0111\u00e3 b\u1ecb tr\u1ecdng l\u1ef1c b\u1ebb cong.<\/p>\n\n\n\n
K\u1ebft qu\u1ea3 l\u00e0, ch\u00fang ta quay tr\u1edf l\u1ea1i xu\u1ea5t ph\u00e1t \u0111i\u1ec3m. V\u00e0 kh\u00f4ng th\u1ec3 k\u1ebft lu\u1eadn \u0111\u01b0\u1ee3c \u0110\u1ecba c\u1ea7u c\u00f3 gi\u1edbi h\u1ea1n hay kh\u00f4ng.<\/p>\n\n\n\n
Ng\u00e0y nay, r\u00f5 r\u00e0ng ch\u00fang ta \u0111\u1ec1u bi\u1ebft \u0110\u1ecba c\u1ea7u c\u00f3 gi\u1edbi h\u1ea1n c\u1ee7a n\u00f3 trong bao la kh\u00f4ng gian v\u0169 tr\u1ee5. Ch\u00fang ta g\u1eb7t h\u00e1i \u0111\u01b0\u1ee3c ki\u1ebfn th\u1ee9c n\u00e0y, b\u1edfi v\u00ec ch\u00fang ta \u0111\u00e3 b\u01b0\u1edbc v\u00e0o kh\u00f4ng gian v\u1eadt l\u00fd c\u1ea5p hai (v\u0169 tr\u1ee5) \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 l\u1ea1i v\u1ec1 kh\u00f4ng gian v\u1eadt l\u00fd c\u1ea5p m\u1ed9t (\u0110\u1ecba c\u1ea7u). Ch\u00fang ta \u0111\u00e3 bay l\u00ean, \u0111\u00e3 chi\u1ebfn th\u1eafng \u0111\u01b0\u1ee3c tr\u1ecdng l\u1ef1c l\u00e0 y\u1ebfu t\u1ed1 chi ph\u1ed1i kh\u00f4ng gian v\u1eadt l\u00fd c\u1ea5p m\u1ed9t v\u00e0 v\u00ec th\u1ebf kh\u00f4ng c\u00f2n b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi kh\u00f4ng gian v\u1eadt l\u00fd n\u00e0y.<\/p>\n\n\n\n
Th\u1ebf th\u00ec, quay tr\u1edf l\u1ea1i c\u00e2u h\u1ecfi \u1edf \u0111\u1ea7u b\u00e0i, v\u0169 tr\u1ee5 c\u1ee7a ch\u00fang ta, kh\u00f4ng gian v\u1eadt l\u00fd c\u1ea5p hai c\u1ee7a ch\u00fang ta c\u00f3 bi\u00ean gi\u1edbi hay kh\u00f4ng?<\/p>\n\n\n\n
B\u1eb1ng suy t\u01b0\u1edfng v\u1ec1 chuy\u1ebfn du h\u00e0nh, ch\u00fang ta c\u0169ng s\u1ebd nh\u1eadn ra r\u1eb1ng. N\u1ebfu c\u1ee9 l\u00ean m\u1ed9t chi\u1ebfc t\u00e0u con thoi bay m\u00e3i v\u00e0o kho\u1ea3ng kh\u00f4ng v\u00f4 \u0111\u1ecbnh kia, gi\u1eef tay l\u00e1i cho th\u1eadt th\u1eb3ng th\u1eadt th\u1eb3ng, ch\u00fang ta cu\u1ed1i c\u00f9ng c\u0169ng s\u1ebd quay tr\u1edf l\u1ea1i n\u01a1i b\u1eaft \u0111\u1ea7u. V\u00e0 kh\u00f4ng th\u1ec3 k\u1ebft lu\u1eadn \u0111\u01b0\u1ee3c V\u0169 tr\u1ee5 c\u00f3 gi\u1edbi h\u1ea1n hay kh\u00f4ng.<\/p>\n\n\n\n
V\u1ea5n \u0111\u1ec1 hi\u1ec7n t\u1ea1i c\u1ee7a v\u1eadt l\u00fd thi\u00ean v\u0103n l\u00e0 ch\u00fang ta ch\u01b0a kh\u00e1m ph\u00e1 ra y\u1ebfu t\u1ed1 chi ph\u1ed1i kh\u00f4ng gian v\u1eadt l\u00fd c\u1ea5p hai n\u00e0y. \u0110\u1ec3 c\u00f3 th\u1ec3 l\u00e0m \u0111i\u1ec1u g\u00ec kh\u1ea3 d\u0129 ph\u00e1 v\u1ee1 kh\u00f4ng gian \u1ea5y. Cho \u0111\u1ebfn khi \u0111\u00f3, ch\u00fang ta v\u1eabn s\u1ebd kh\u00f3 l\u00f2ng \u0111\u00e1nh gi\u00e1 \u0111\u01b0\u1ee3c v\u0169 tr\u1ee5, c\u0169ng nh\u01b0 m\u1ecdi s\u1ef1 v\u1eadt hi\u1ec7n t\u01b0\u1ee3ng quy chi\u1ebfu trong v\u0169 tr\u1ee5.<\/p>\n\n\n\n
L\u1eadt l\u1ea1i v\u1ea5n \u0111\u1ec1. Theo c\u00e1ch ngh\u0129 n\u00e0y, c\u00f3 v\u1ebb m\u1ecdi kh\u00f4ng gian v\u1eadt l\u00fd \u0111\u1ec1u c\u00f3 bi\u00ean gi\u1edbi. Tho\u00e1t ra kh\u1ecfi kh\u00f4ng gian v\u1eadt l\u00fd n\u00e0y, ch\u00fang ta s\u1ebd r\u01a1i v\u00e0o m\u1ed9t kh\u00f4ng gian v\u1eadt l\u00fd kh\u00e1c. N\u00f3i n\u00f4m na, ngo\u00e0i v\u0169 tr\u1ee5 n\u00e0y c\u00f2n c\u00f3 m\u1ed9t v\u0169 tr\u1ee5 kh\u00e1c.<\/p>\n\n\n\n
\u0110i\u1ec1u n\u00e0y \u0111\u00fang. M\u00e0 c\u0169ng kh\u00f4ng \u0111\u00fang.<\/p>\n\n\n\n
V\u00ec ngo\u00e0i v\u1eadt ch\u1ea5t hi\u1ec3n hi\u1ec7n tr\u01b0\u1edbc m\u1eaft ta, b\u00ean tai ta, tr\u00ean tay ta, nh\u1eefng g\u00ec ta nh\u00ecn nh\u1eadn \u0111\u01b0\u1ee3c. C\u00f2n t\u1ed3n t\u1ea1i m\u1ed9t \u0111i\u1ec1u. \u0110\u00f3 l\u00e0 \u00fd th\u1ee9c.<\/p>\n\n\n\n
Ch\u00fang ta v\u1eeba nh\u1eadn \u0111\u1ecbnh v\u1ec1 c\u00e1c kh\u00f4ng gian v\u1eadt l\u00fd ti\u1ebfp n\u1ed1i \u1edf tr\u00ean b\u1eb1ng \u00fd th\u1ee9c c\u1ee7a m\u00ecnh. M\u00e0 \u00fd th\u1ee9c, c\u0169ng ho\u00e0n to\u00e0n b\u1ecb chi ph\u1ed1i b\u1edfi kh\u00f4ng gian \u00fd th\u1ee9c c\u1ee7a n\u00f3. <\/p>\n\n\n\n
Trong kh\u00f4ng gian \u00fd th\u1ee9c hi\u1ec7n t\u1ea1i, ta ngh\u0129 r\u1eb1ng ngo\u00e0i v\u0169 tr\u1ee5 n\u00e0y c\u00f2n c\u00f3 m\u1ed9t v\u0169 tr\u1ee5 kh\u00e1c.<\/p>\n\n\n\n
Nh\u01b0ng r\u00f5 r\u00e0ng, n\u1ebfu \u0111\u1ee9ng trong kh\u00f4ng gian \u00fd th\u1ee9c m\u1edbi, ta c\u00f3 l\u1ebd s\u1ebd c\u00f3 m\u1ed9t nh\u1eadn \u0111\u1ecbnh kh\u00e1c.<\/p>\n\n\n\n
30\/05\/2014<\/em><\/p>\n","protected":false},"excerpt":{"rendered":" \u0110\u1ea7u ti\u00ean, h\u00e3y xem x\u00e9t m\u1ed9t c\u00e2u h\u1ecfi l\u1edbn c\u1ee7a v\u1eadt l\u00fd thi\u00ean v\u0103n: V\u0169 tr\u1ee5 c\u00f3 gi\u1edbi h\u1ea1n hay kh\u00f4ng? Okay Xem x\u00e9t… Xem x\u00e9t… B\u00e2y gi\u1edd, ta quay l\u1ea1i v\u1edbi \u0111\u1eddi s\u1ed1ng hi\u1ec7n t\u1ea1i, quay l\u1ea1i v\u1edbi \u0110\u1ecba c\u1ea7u. H\u00e3y ngh\u0129 v\u1ec1 m\u1ed9t th\u1eddi \u0111\u1ea1i c\u1ed5 x\u01b0a n\u00e0o \u0111\u00f3, khi lo\u00e0i ng\u01b0\u1eddi ch\u01b0a […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[110],"class_list":["post-324","post","type-post","status-publish","format-standard","hentry","category-all","tag-suy-tuong"],"_links":{"self":[{"href":"https:\/\/nvbach.com\/index.php?rest_route=\/wp\/v2\/posts\/324","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nvbach.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nvbach.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nvbach.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nvbach.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=324"}],"version-history":[{"count":2,"href":"https:\/\/nvbach.com\/index.php?rest_route=\/wp\/v2\/posts\/324\/revisions"}],"predecessor-version":[{"id":422,"href":"https:\/\/nvbach.com\/index.php?rest_route=\/wp\/v2\/posts\/324\/revisions\/422"}],"wp:attachment":[{"href":"https:\/\/nvbach.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=324"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nvbach.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=324"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nvbach.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=324"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}