{"id":4773,"date":"2016-02-22T16:28:15","date_gmt":"2016-02-22T09:28:15","guid":{"rendered":"http:\/\/ttud.com.vn\/?p=4773"},"modified":"2017-10-02T11:40:38","modified_gmt":"2017-10-02T04:40:38","slug":"cong-nghe-hua-hen-dua-con-nguoi-den-sao-hoa-trong-vai-ngay","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/cong-nghe-hua-hen-dua-con-nguoi-den-sao-hoa-trong-vai-ngay\/","title":{"rendered":"C\u00f4ng ngh\u1ec7 h\u1ee9a h\u1eb9n \u0111\u01b0a con ng\u01b0\u1eddi \u0111\u1ebfn sao H\u1ecfa trong v\u00e0i ng\u00e0y"},"content":{"rendered":"<p><strong>S\u1ee9c \u0111\u1ea9y l\u01b0\u1ee3ng t\u1eed \u00e1nh s\u00e1ng h\u1ee9a h\u1eb9n s\u1ea3n sinh n\u0103ng l\u01b0\u1ee3ng \u0111\u1ee7 l\u1edbn cho vi\u1ec7c t\u1ea1o ra v\u1eadn t\u1ed1c g\u1ea7n v\u1edbi t\u1ed1c \u0111\u1ed9 \u00e1nh s\u00e1ng.<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-5302\" src=\"http:\/\/ttud.com.vn\/wp-content\/uploads\/2016\/02\/22022016222723-hongquyen22_02_2016.jpg\" alt=\"\" width=\"376\" height=\"250\" srcset=\"https:\/\/casta.ttud.com.vn\/wp-content\/uploads\/2016\/02\/22022016222723-hongquyen22_02_2016.jpg 376w, https:\/\/casta.ttud.com.vn\/wp-content\/uploads\/2016\/02\/22022016222723-hongquyen22_02_2016-300x199.jpg 300w\" sizes=\"auto, (max-width: 376px) 100vw, 376px\" \/><\/p>\n<p style=\"text-align: center;\"><em>H\u00ecnh \u1ea3nh m\u00f4 ph\u1ecfng s\u1ee9c \u0111\u1ea9y l\u01b0\u1ee3ng t\u1eed \u00e1nh s\u00e1ng. \u1ea2nh: UCSB.<\/em><\/p>\n<p>Theo Space.com, gi\u00e1o s\u01b0 Phillip Lubin v\u00e0 \u0111\u1ed3ng nghi\u1ec7p \u1edf \u0110\u1ea1i h\u1ecdc Santa Barbara, California (UCSB) \u0111ang l\u00e0m vi\u1ec7c trong ch\u01b0\u01a1ng tr\u00ecnh Directed Energy Interstellar Precursors c\u1ee7a C\u01a1 quan H\u00e0ng kh\u00f4ng V\u0169 tr\u1ee5 M\u1ef9 (NASA). M\u1ee5c \u0111\u00edch c\u1ee7a h\u1ecd l\u00e0 t\u1ea1o ra m\u00e1y th\u0103m d\u00f2 c\u00f3 kh\u1ea3 n\u0103ng \u0111\u1ea1t v\u1eadn \u0111\u1ed9 c\u1eadn \u00e1nh s\u00e1ng (v\u1eadn t\u1ed1c g\u1ea7n v\u1edbi t\u1ed1c \u0111\u1ed9 \u00e1nh s\u00e1ng, khi \u1ea3nh h\u01b0\u1edfng c\u1ee7a thuy\u1ebft t\u01b0\u01a1ng \u0111\u1ed1i b\u1eaft \u0111\u1ea7u r\u00f5 r\u1ec7t). Theo Lubin, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u c\u00f3 th\u1ec3 khi\u1ebfn nh\u1eefng v\u1eadt r\u1ea5t nh\u1ecf nh\u01b0 h\u1ea1t h\u1ea1 nguy\u00ean t\u1eed \u0111\u1ea1t t\u1ed1c \u0111\u1ed9 c\u1eadn \u00e1nh s\u00e1ng trong ph\u00f2ng th\u00ed nghi\u1ec7m. Tuy nhi\u00ean, \u1edf t\u1ea7m v\u0129 m\u00f4, nh\u1eefng v\u1eadt nh\u01b0 t\u00e0u v\u0169 tr\u1ee5 hay xe \u00f4t\u00f4 r\u1ea5t kh\u00f3 \u0111\u1ec3 \u0111\u1ea1t v\u1eadn t\u1ed1c n\u00e0y.<br \/>\n\u0110\u1ec3 gi\u1ea3i quy\u1ebft kh\u00f3 kh\u0103n n\u00e0y, gi\u00e1o s\u01b0 Lubin \u0111\u01b0a ra c\u00f4ng ngh\u1ec7 s\u1ee9c \u0111\u1ea9y l\u01b0\u1ee3ng t\u1eed \u00e1nh s\u00e1ng. C\u00f4ng ngh\u1ec7 s\u1eed d\u1ee5ng s\u1ee9c \u0111\u1ea9y c\u1ee7a nh\u1eefng photon ph\u00e1t ra t\u1eeb tia laser \u0111\u1ec3 \u0111\u1ea9y t\u00e0u v\u0169 tr\u1ee5.<br \/>\nC\u00e1c t\u00e0u v\u0169 tr\u1ee5 v\u1eadn h\u00e0nh b\u1eb1ng c\u00e1ch \u0111\u1ed1t ch\u00e1y nhi\u00ean li\u1ec7u ph\u1ea3n l\u1ef1c theo h\u01b0\u1edbng \u0111\u1ed1i di\u1ec7n v\u1edbi h\u01b0\u1edbng di chuy\u1ec3n c\u1ee7a t\u00e0u. Nhi\u00ean li\u1ec7u ph\u1ea3n l\u1ef1c \u0111\u01b0\u1ee3c ch\u1edf tr\u00ean t\u00e0u, khi\u1ebfn t\u00e0u c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng n\u1eb7ng v\u00e0 bay ch\u1eadm h\u01a1n.<br \/>\nC\u00f4ng ngh\u1ec7 m\u1edbi s\u1eed d\u1ee5ng tia laser thay v\u00ec nhi\u00ean li\u1ec7u, gi\u00fap t\u00e0u nh\u1eb9 h\u01a1n, \u0111\u1ea1t th\u1eddi gian t\u0103ng t\u1ed1c l\u00e2u h\u01a1n v\u00e0 t\u1ed1c \u0111\u1ed9 cao h\u01a1n. V\u1ec1 l\u00fd thuy\u1ebft, t\u00e0u v\u0169 tr\u1ee5 c\u00f3 th\u1ec3 \u0111\u1ea1t v\u1eadn t\u1ed1c b\u1eb1ng 1\/4 t\u1ed1c \u0111\u1ed9 \u00e1nh s\u00e1ng. &#8220;Ch\u00fang ta c\u00f3 th\u1ec3 \u0111\u1ea9y t\u00e0u v\u0169 tr\u1ee5 n\u1eb7ng 100 kg \u0111\u1ebfn sao H\u1ecfa trong v\u00e0i ng\u00e0y, so v\u1edbi t\u00e0u con thoi c\u1ea7n t\u1edbi m\u1ed9t th\u00e1ng&#8221;, nh\u00f3m nghi\u00ean c\u1ee9u cho bi\u1ebft. S\u1ee9c \u0111\u1ea9y l\u01b0\u1ee3ng t\u1eed \u00e1nh s\u00e1ng kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t kh\u00e1i ni\u1ec7m ho\u00e0n to\u00e0n m\u1edbi, Lubin n\u00f3i. N\u00f3 d\u1ef1a tr\u00ean kh\u00e1i ni\u1ec7m l\u01b0\u1ee1ng t\u00ednh s\u00f3ng h\u1ea1t c\u1ee7a \u00e1nh s\u00e1ng c\u1ee7a c\u01a1 h\u1ecdc l\u01b0\u1ee3ng t\u1eed C\u00f4ng ngh\u1ec7 s\u1ee9c \u0111\u1ea9y l\u01b0\u1ee3ng t\u1eed \u00e1nh s\u00e1ng c\u00f3 th\u1ec3 gi\u00fap con ng\u01b0\u1eddi kh\u00e1m ph\u00e1 nh\u1eefng ng\u00f4i sao ngo\u00e0i h\u1ec7 M\u1eb7t Tr\u1eddi. Theo Lubin, b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 n\u00e0y, con ng\u01b0\u1eddi ch\u1ec9 c\u1ea7n 20 n\u0103m \u0111\u1ec3 \u0111\u1ebfn Alpha Centaurl, h\u1ec7 sao n\u1eb1m g\u1ea7n h\u1ec7 M\u1eb7t Tr\u1eddi nh\u1ea5t.<\/p>\n<p style=\"text-align: right;\"><strong><em>Xu\u00e2n D\u0169ng<\/em><\/strong><\/p>\n<p style=\"text-align: right;\"><em>Xu\u00e2n D\u0169ng<\/em><br \/>\n<em> http:\/\/vnexpress.net<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>S\u1ee9c \u0111\u1ea9y l\u01b0\u1ee3ng t\u1eed \u00e1nh s\u00e1ng h\u1ee9a h\u1eb9n s\u1ea3n sinh n\u0103ng l\u01b0\u1ee3ng \u0111\u1ee7 l\u1edbn cho vi\u1ec7c t\u1ea1o ra v\u1eadn t\u1ed1c g\u1ea7n v\u1edbi t\u1ed1c \u0111\u1ed9 \u00e1nh s\u00e1ng. H\u00ecnh \u1ea3nh m\u00f4 ph\u1ecfng s\u1ee9c \u0111\u1ea9y l\u01b0\u1ee3ng t\u1eed \u00e1nh s\u00e1ng. \u1ea2nh: UCSB. Theo Space.com, gi\u00e1o s\u01b0 Phillip Lubin v\u00e0 \u0111\u1ed3ng nghi\u1ec7p \u1edf \u0110\u1ea1i h\u1ecdc Santa Barbara, California (UCSB) \u0111ang [&hellip;]<\/p>\n","protected":false},"author":17,"featured_media":5302,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-4773","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/4773","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/users\/17"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=4773"}],"version-history":[{"count":2,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/4773\/revisions"}],"predecessor-version":[{"id":5303,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/4773\/revisions\/5303"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/5302"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=4773"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=4773"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=4773"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}