{"id":28569,"date":"2019-02-03T18:52:00","date_gmt":"2019-02-03T11:52:00","guid":{"rendered":"https:\/\/ttud.com.vn\/?p=28569"},"modified":"2021-10-03T19:03:59","modified_gmt":"2021-10-03T12:03:59","slug":"mit-phat-minh-he-thong-truyen-tin-qua-tia-laser","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/mit-phat-minh-he-thong-truyen-tin-qua-tia-laser\/","title":{"rendered":"MIT ph\u00e1t minh h\u1ec7 th\u1ed1ng truy\u1ec1n tin qua\u2026 tia laser"},"content":{"rendered":"\n

C\u00f4ng ngh\u1ec7 m\u1edbi \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n b\u1edfi Ph\u00f2ng th\u00ed nghi\u1ec7m Lincoln c\u1ee7a MIT s\u1eed d\u1ee5ng tia laser \u0111\u1ec3 k\u00edch th\u00edch \u0111\u1ed9 \u1ea9m trong kh\u00f4ng kh\u00ed xung quanh tai c\u1ee7a m\u1ee5c ti\u00eau, khi\u1ebfn n\u00f3 c\u00f3 th\u1ec3 \u201cth\u00ec th\u1ea7m\u201d m\u1ed9t tin nh\u1eafn c\u00e1 nh\u00e2n t\u1eeb c\u00e1ch \u0111\u00f3 v\u00e0i m.<\/p>\n\n\n\n

“H\u1ec7 th\u1ed1ng c\u1ee7a ch\u00fang t\u00f4i c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng t\u1eeb kho\u1ea3ng c\u00e1ch xa \u0111\u1ec3 truy\u1ec1n th\u00f4ng tin tr\u1ef1c ti\u1ebfp \u0111\u1ebfn tai c\u1ee7a ai \u0111\u00f3”, tr\u01b0\u1edfng nh\u00f3m nghi\u00ean c\u1ee9u, nh\u00e0 v\u1eadt l\u00fd c\u1ee7a MIT, Charles M. Wynn cho bi\u1ebft.\"C\u00e1c
C\u00e1c nh\u00e0 khoa h\u1ecdc M\u1ef9 \u0111ang ph\u00e1t tri\u1ec3n c\u00f4ng ngh\u1ec7 m\u1edbi c\u00f3 th\u1ec3 truy\u1ec1n tin qua tia laser.<\/p>\n\n\n\n

Nhi\u1ec1u \u0111\u1ecba \u0111i\u1ec3m c\u00f3 ti\u1ebfng \u1ed3n ho\u1eb7c \u0111\u00f4ng ng\u01b0\u1eddi c\u00f3 th\u1ec3 h\u1ea1n ch\u1ebf vi\u1ec7c truy\u1ec1n tin. Ch\u00ednh v\u00ec v\u1eady nh\u1eefng \u201cl\u1eddi th\u00ec th\u1ea7m\u201d b\u1eb1ng laser c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n c\u00f4ng vi\u1ec7c truy\u1ec1n tin nh\u01b0 m\u1ed9t gi\u1ea3i ph\u00e1p h\u1eefu hi\u1ec7u h\u01a1n c\u1ea3.<\/p>\n\n\n\n

C\u00f3 th\u1ec3 trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p nhi\u1ec1u ng\u01b0\u1eddi s\u1ebd lo l\u1eafng v\u1ec1 \u201ctia laser trong tai\u201d l\u00e0 \u0111i\u1ec1u ho\u00e0n to\u00e0n d\u1ec5 hi\u1ec3u, tuy nhi\u00ean, c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n \u0111\u00e3 kh\u1eb3ng \u0111\u1ecbnh r\u1eb1ng n\u00f3 v\u00f4 h\u1ea1i.<\/p>\n\n\n\n

“\u0110\u00e2y l\u00e0 h\u1ec7 th\u1ed1ng \u0111\u1ea7u ti\u00ean s\u1eed d\u1ee5ng tia laser ho\u00e0n to\u00e0n an to\u00e0n cho m\u1eaft v\u00e0 da \u0111\u1ec3 \u0111\u1ecbnh v\u1ecb t\u00edn hi\u1ec7u \u00e2m thanh \u0111\u1ebfn m\u1ed9t ng\u01b0\u1eddi c\u1ee5 th\u1ec3 trong b\u1ea5t k\u1ef3 c\u00e0i \u0111\u1eb7t n\u00e0o”, Wynn n\u00f3i.<\/p>\n\n\n\n

C\u00f4ng ngh\u1ec7 d\u1ef1a tr\u00ean tia laser th\u1ef1c t\u1ebf c\u00f3 l\u1ee3i th\u1ebf l\u00e0 gi\u1ea3m s\u1ef1 lan truy\u1ec1n tr\u00ean m\u1ed9t kho\u1ea3ng c\u00e1ch, v\u1edbi t\u1ea7n s\u1ed1 cao h\u01a1n cho ph\u00e9p n\u00f3 truy\u1ec1n t\u00edn hi\u1ec7u \u0111i xa h\u01a1n. \u0110\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u00e3 chuy\u1ec3n t\u1eeb loa sang d\u00f9ng c\u00f4ng ngh\u1ec7 laser.<\/p>\n\n\n\n

Trung t\u00e2m m\u1edbi c\u1ee7a MIT s\u1eed d\u1ee5ng m\u1ed9t c\u00f4ng ngh\u1ec7 g\u1ecdi l\u00e0 hi\u1ec7u \u1ee9ng quang \u0111i\u1ec7n t\u1eed t\u1eadn d\u1ee5ng h\u01a1i n\u01b0\u1edbc trong kh\u00f4ng kh\u00ed \u0111\u1ec3 h\u1ea5p th\u1ee5 s\u1ef1 ph\u00e1t x\u1ea1 c\u1ee7a tia laser, khi\u1ebfn n\u00f3 rung \u0111\u1ed9ng \u1edf t\u1ea7n s\u1ed1 \u00e2m thanh nh\u1ea5t \u0111\u1ecbnh.<\/p>\n\n\n\n

\u201cN\u00f3 c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng ngay c\u1ea3 trong \u0111i\u1ec1u ki\u1ec7n t\u01b0\u01a1ng \u0111\u1ed1i kh\u00f4 v\u00ec h\u1ea7u nh\u01b0 lu\u00f4n c\u00f3 m\u1ed9t \u00edt n\u01b0\u1edbc trong kh\u00f4ng kh\u00ed, \u0111\u1eb7c bi\u1ec7t l\u00e0 xung quanh con ng\u01b0\u1eddi.<\/p>\n\n\n\n

Ch\u00fang t\u00f4i th\u1ea5y r\u1eb1ng kh\u00f4ng c\u1ea7n nhi\u1ec1u n\u01b0\u1edbc n\u1ebfu s\u1eed d\u1ee5ng b\u01b0\u1edbc s\u00f3ng laser \u0111\u01b0\u1ee3c h\u1ea5p th\u1ee5 r\u1ea5t m\u1ea1nh b\u1edfi n\u01b0\u1edbc. \u0110\u00e2y l\u00e0 ch\u00eca kh\u00f3a v\u00ec s\u1ef1 h\u1ea5p th\u1ee5 m\u1ea1nh h\u01a1n d\u1eabn \u0111\u1ebfn \u00e2m thanh nhi\u1ec1u h\u01a1n.<\/p>\n\n\n\n

Hi v\u1ecdng r\u1eb1ng n\u00f3 s\u1ebd tr\u1edf th\u00e0nh m\u1ed9t c\u00f4ng ngh\u1ec7 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng trong l\u0129nh v\u1ef1c th\u01b0\u01a1ng m\u1ea1i,” nh\u00e0 nghi\u00ean c\u1ee9u Wynn ti\u1ebft l\u1ed9.<\/p>\n\n\n\n

\u0110i\u1ec1u n\u00e0y \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c trong t\u01b0\u01a1ng lai con ng\u01b0\u1eddi ho\u00e0n to\u00e0n c\u00f3 kh\u1ea3 n\u0103ng ph\u00e1t ra nh\u1eefng ti\u1ebfng th\u00ec th\u1ea7m b\u00ean tai \u0111\u1ed1i t\u01b0\u1ee3ng c\u1ea7n truy\u1ec1n t\u1ea3i th\u00f4ng tin c\u1ee7a m\u00ecnh t\u1eeb kho\u1ea3ng c\u00e1ch \u0111\u00e1ng k\u1ec3 m\u00e0 kh\u00f4ng s\u1ee3 b\u1ecb ng\u01b0\u1eddi kh\u00e1c nghe th\u1ea5y.<\/p>\n\n\n\n

Theo Dantri<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

C\u00f4ng ngh\u1ec7 m\u1edbi \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n b\u1edfi Ph\u00f2ng th\u00ed nghi\u1ec7m Lincoln c\u1ee7a MIT s\u1eed d\u1ee5ng tia laser \u0111\u1ec3 k\u00edch th\u00edch \u0111\u1ed9 \u1ea9m trong kh\u00f4ng kh\u00ed xung quanh tai c\u1ee7a m\u1ee5c ti\u00eau, khi\u1ebfn n\u00f3 c\u00f3 th\u1ec3 \u201cth\u00ec th\u1ea7m\u201d m\u1ed9t tin nh\u1eafn c\u00e1 nh\u00e2n t\u1eeb c\u00e1ch \u0111\u00f3 v\u00e0i m. “H\u1ec7 th\u1ed1ng c\u1ee7a ch\u00fang t\u00f4i c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c […]<\/p>\n","protected":false},"author":17,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-28569","post","type-post","status-publish","format-standard","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28569","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=28569"}],"version-history":[{"count":1,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28569\/revisions"}],"predecessor-version":[{"id":28587,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28569\/revisions\/28587"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=28569"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=28569"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=28569"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}