Kh\u1ea3 n\u0103ng thu nh\u1eadn c\u00e1c t\u00edn hi\u1ec7u th\u1ecb gi\u00e1c v\u00e0 l\u1ea5p \u0111\u1ea9y ch\u00fang v\u00e0o nh\u1eefng kho\u1ea3ng tr\u1ed1ng \u0111\u00e3 cho ph\u00e9p lo\u00e0i ng\u01b0\u1eddi x\u1eed l\u00fd th\u00f4ng tin nhanh ch\u00f3ng. Song \u0111i\u1ec1u n\u00e0y \u0111\u00f4i khi c\u0169ng g\u00e2y \u201cb\u00e9 c\u00e1i nh\u1ea9m\u201d -ch\u1eb3ng h\u1ea1n nh\u01b0 khi nh\u00ecn th\u1ea5y c\u00e1c v\u1eadt m\u00e0 th\u1ef1c t\u1ebf kh\u00f4ng t\u1ed3n t\u1ea1i \u1edf \u0111\u00f3. \u201c\u0110\u00f3 l\u00e0 bi\u1ec3u hi\u1ec7n c\u1ee7a s\u1ef1 quen thu\u1ed9c, ch\u1eb3ng h\u1ea1n khi ch\u00fang ta nh\u00ecn th\u1ea5y h\u00ecnh m\u1eb7t ng\u01b0\u1eddi tr\u00ean sao Ho\u1ea3, trong m\u1ed9t c\u00e1nh r\u1eebng hay tr\u00ean m\u1ed9t \u0111\u00e1m m\u00e2y\u201d, c\u00e1c nh\u00e0 khoa h\u1ecdc, thu\u1ed9c \u0110\u1ea1i h\u1ecdc Boston, M\u1ef9, cho bi\u1ebft. \u201cCh\u00fang ta \u0111\u00e3 qu\u00e1 quen v\u1edbi khu\u00f4n m\u1eb7t ng\u01b0\u1eddi \u0111\u1ebfn m\u1ee9c ch\u00fang ta nh\u00ecn ra h\u1ecd \u1edf nh\u1eefng n\u01a1i h\u1ecd kh\u00f4ng h\u1ec1 xu\u1ea5t hi\u1ec7n\u201d.<\/p>\n\n\n\n
N\u0103m 1976, phi thuy\u1ec1n Viking 1 c\u1ee7a NASA \u0111\u00e3 ch\u1ee5p \u1ea3nh m\u1ed9t kho\u1ea3ng nh\u1ecf \u1edf tr\u00ean b\u1ec1 m\u1eb7t Ho\u1ea3 tinh. B\u00f3ng c\u1ee7a m\u1ed9t trong c\u00e1c \u0111\u1ec9nh n\u00fai \u1edf \u0111\u00e2y \u0111\u00e3 g\u1ee3i s\u1ef1 li\u00ean t\u01b0\u1edfng \u0111\u1ebfn m\u1ed9t khu\u00f4n m\u1eb7t ng\u01b0\u1eddi.<\/p>\n\n\n\n
\u0110\u1ec3 t\u00ecm hi\u1ec3u hi\u1ec7n t\u01b0\u1ee3ng \u201c\u0111\u00e1nh l\u1eeba\u201d c\u1ee7a \u0111\u00f4i m\u1eaft, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 nghi\u00ean c\u1ee9u qu\u00e1 tr\u00ecnh thu nh\u1eadn tri gi\u00e1c -s\u1ef1 gia t\u0103ng t\u00edch lu\u1ef9 do ti\u1ebfp x\u00fac l\u1eb7p \u0111i l\u1eb7p l\u1ea1i nhi\u1ec1u l\u1ea9n.<\/p>\n\n\n\n
\u0110\u1ec3 ch\u1ee9ng t\u1ecf \u0111i\u1ec1u n\u00e0y x\u1ea3y ra nh\u01b0 th\u1ebf n\u00e0o, nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u00e3 hu\u1ea5n luy\u1ec7n cho m\u1ecdi ng\u01b0\u1eddi trong m\u1ed9t ph\u00f2ng th\u00ed nghi\u1ec7m l\u00e0m quen v\u1edbi \u201cc\u00e1c th\u00f4ng \u0111i\u1ec7p ti\u1ec1m th\u1ee9c\u201d.<\/p>\n\n\n\n
Ng\u01b0\u1eddi tham gia xem m\u1ed9t m\u00e0n h\u00ecnh m\u00e1y t\u00ednh v\u1edbi c\u00e1c ch\u1ea5m chuy\u1ec3n \u0111\u1ed9ng m\u1edd nh\u1ea1t \u0111\u1ebfn m\u1ee9c ch\u00fang h\u1ea9u nh\u01b0 kh\u00f4ng nh\u00ecn th\u1ea5y \u0111\u01b0\u1ee3c. Trong th\u1eed nghi\u1ec7m \u0111\u1ea9u ti\u00ean, h\u1ecd kh\u00f4ng th\u1ec3 \u0111o\u00e1n ra c\u00e1c ch\u1ea5m \u0111ang chuy\u1ec3n \u0111\u1ed9ng theo h\u01b0\u1edbng n\u00e0o. Trong m\u1ed9t kho\u00e1 hu\u1ea5n luy\u1ec7n sau \u0111\u00f3, ng\u01b0\u1eddi tham gia \u0111\u01b0\u1ee3c y\u00eau c\u1ea9u x\u00e1c \u0111\u1ecbnh nh\u1eefng k\u00fd t\u1ef1 tr\u00ean m\u00e0n h\u00ecnh trong khi c\u00e1c ch\u1ea5m v\u1eabn ti\u1ebfp t\u1ee5c chuy\u1ec3n \u0111\u1ed9ng tr\u00ean ph\u00f4ng n\u1ec1n.<\/p>\n\n\n\n
Sau c\u00f9ng, nh\u1eefng ng\u01b0\u1eddi n\u00e0y m\u1ed9t l\u1ea9n n\u1eefa l\u1ea1i \u0111o\u00e1n xem c\u00e1c ch\u1ea5m di chuy\u1ec3n theo h\u01b0\u1edbng n\u00e0o. Ng\u1ea1c nhi\u00ean thay, h\u1ecd c\u00f3 xu h\u01b0\u1edbng g\u00e1n cho c\u00e1c ch\u1ea5m h\u01b0\u1edbng di chuy\u1ec3n tr\u00f9ng v\u1edbi h\u01b0\u1edbng m\u00e0 ch\u00fang \u0111\u00e3 chuy\u1ec3n \u0111\u1ed9ng trong kho\u00e1 hu\u1ea5n luy\u1ec7n. V\u00ec m\u1ed9t l\u00fd do n\u00e0o \u0111\u00f3, s\u1ef1 t\u1eadp trung cao \u0111\u1ed9 v\u00e0o c\u00e1c k\u00fd t\u1ef1 \u0111\u00e3 cho ph\u00e9p h\u1ecd l\u0129nh h\u1ed9i v\u00f4 th\u1ee9c c\u00e1c d\u1ea5u ch\u1ea5m. H\u1ecd \u0111\u00e3 ti\u1ebfp nh\u1eadn m\u00e0 th\u1eadm ch\u00ed kh\u00f4ng nh\u1eadn ra n\u00f3.<\/p>\n","protected":false},"excerpt":{"rendered":"
Kh\u1ea3 n\u0103ng thu nh\u1eadn c\u00e1c t\u00edn hi\u1ec7u th\u1ecb gi\u00e1c v\u00e0 l\u1ea5p \u0111\u1ea9y ch\u00fang v\u00e0o nh\u1eefng kho\u1ea3ng tr\u1ed1ng \u0111\u00e3 cho ph\u00e9p lo\u00e0i ng\u01b0\u1eddi x\u1eed l\u00fd th\u00f4ng tin nhanh ch\u00f3ng. Song \u0111i\u1ec1u n\u00e0y \u0111\u00f4i khi c\u0169ng g\u00e2y \u201cb\u00e9 c\u00e1i nh\u1ea9m\u201d -ch\u1eb3ng h\u1ea1n nh\u01b0 khi nh\u00ecn th\u1ea5y c\u00e1c v\u1eadt m\u00e0 th\u1ef1c t\u1ebf kh\u00f4ng t\u1ed3n t\u1ea1i \u1edf \u0111\u00f3. \u201c\u0110\u00f3 […]<\/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":[1,15],"tags":[],"class_list":["post-11061","post","type-post","status-publish","format-standard","hentry","category-general","category-hoi-dap-khoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/11061","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=11061"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/11061\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=11061"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=11061"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=11061"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}