{"id":28574,"date":"2019-07-22T18:55:00","date_gmt":"2019-07-22T11:55:00","guid":{"rendered":"https:\/\/ttud.com.vn\/?p=28574"},"modified":"2021-10-03T18:56:56","modified_gmt":"2021-10-03T11:56:56","slug":"tao-ra-nam-cham-mem-chay-nhu-nuoc","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/tao-ra-nam-cham-mem-chay-nhu-nuoc\/","title":{"rendered":"T\u1ea1o ra nam ch\u00e2m m\u1ec1m ch\u1ea3y nh\u01b0 n\u01b0\u1edbc"},"content":{"rendered":"\n

TTO – C\u00e1c nh\u00e0 khoa h\u1ecdc v\u1eeba t\u1ea1o ra lo\u1ea1i nam ch\u00e2m m\u1edbi r\u1ea5t m\u1ec1m, c\u00f3 th\u1ec3 ch\u1ea3y nh\u01b0 n\u01b0\u1edbc v\u00e0 thay \u0111\u1ed5i h\u00ecnh d\u1ea1ng. \u0110\u00e2y \u0111\u01b0\u1ee3c coi l\u00e0 m\u1ed9t ph\u00e1t minh c\u00f3 l\u1ee3i r\u1ea5t l\u1edbn trong y h\u1ecdc v\u00e0 c\u00f4ng ngh\u1ec7 robot t\u01b0\u01a1ng lai.<\/p>\n\n\n\n

\"T\u1ea1o<\/a><\/figure>\n\n\n\n

Lo\u1ea1i v\u1eadt li\u1ec7u m\u1edbi n\u00e0y c\u00f3 t\u1ea5t c\u1ea3 \u0111\u1eb7c t\u00ednh c\u1ee7a m\u1ed9t nam ch\u00e2m th\u00f4ng th\u01b0\u1eddng nh\u01b0ng thay \u0111\u1ed5i \u0111\u01b0\u1ee3c h\u00ecnh d\u1ea1ng, m\u1ec1m, l\u1ecfng nh\u01b0 n\u01b0\u1edbc n\u00ean c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng trong nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau – \u1ea2nh: Xubo Liu \/ Tom Russell<\/p>\n\n\n\n

Nghi\u00ean c\u1ee9u n\u00e0y v\u1eeba \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 tr\u00ean t\u1ea1p ch\u00ed Science<\/em> v\u00e0 thu h\u00fat s\u1ef1 ch\u00fa \u00fd l\u1edbn c\u1ee7a gi\u1edbi khoa h\u1ecdc, c\u00f4ng ngh\u1ec7.<\/p>\n\n\n\n

Lodestone (nam ch\u00e2m<\/a>) l\u00e0 m\u1ed9t d\u1ea1ng kho\u00e1ng v\u1eadt Magnetit b\u1ecb t\u1eeb h\u00f3a t\u1ef1 nhi\u00ean, c\u00f3 th\u1ec3 h\u00fat c\u00e1c m\u1eabu s\u1eaft nh\u1ecf. Nam ch\u00e2m \u0111\u01b0\u1ee3c con ng\u01b0\u1eddi s\u1eed d\u1ee5ng t\u1eeb h\u00e0ng ngh\u00ecn n\u0103m tr\u01b0\u1edbc trong vi\u1ec7c t\u1ea1o ra la b\u00e0n.<\/p>\n\n\n\n

Ng\u00e0y nay, n\u00f3 \u0111\u01b0\u1ee3c c\u00e1c nh\u00e0 khoa h\u1ecdc s\u1eed d\u1ee5ng trong nghi\u00ean c\u1ee9u ki\u1ebfn t\u1ea1o m\u1ea3ng, c\u00e1c d\u1eef li\u1ec7u l\u1ecbch s\u1eed h\u00ecnh th\u00e0nh Tr\u00e1i \u0111\u1ea5t v\u00e0 r\u1ea5t nhi\u1ec1u \u1ee9ng d\u1ee5ng khoa h\u1ecdc kh\u00e1c. Tuy nhi\u00ean t\u1eeb tr\u01b0\u1edbc \u0111\u1ebfn nay nam ch\u00e2m \u0111\u1ec1u \u1edf th\u1ec3 r\u1eafn.<\/p>\n\n\n\n

\u0110\u1ec3 t\u1ea1o ra nam ch\u00e2m th\u1ec3 l\u1ecfng, ti\u1ebfn s\u0129 Tom Russell v\u00e0 c\u00e1c c\u1ed9ng s\u1ef1 t\u1ea1i Ph\u00f2ng th\u00ed nghi\u1ec7m qu\u1ed1c gia Lawrence Berkeley (M\u1ef9) s\u1eed d\u1ee5ng m\u1ed9t m\u00e1y in 3D \u0111\u1eb7c bi\u1ec7t, b\u01a1m c\u00e1c h\u1ea1t nano oxit s\u1eaft v\u00e0 m\u1ed9t v\u1eadt li\u1ec7u gi\u1ed1ng nh\u01b0 x\u00e0 ph\u00f2ng v\u00e0o c\u00e1c gi\u1ecdt toluen c\u1ee1 mm. Toluen l\u00e0 d\u1ea1ng ch\u1ea5t l\u1ecfng kh\u00f4ng h\u00f2a tan trong n\u01b0\u1edbc.<\/p>\n\n\n\n

Sau \u0111\u00f3, h\u1ecd \u0111\u1eb7t ch\u00fang trong m\u00f4i tr\u01b0\u1eddng n\u01b0\u1edbc. V\u1eadt li\u1ec7u gi\u1ed1ng nh\u01b0 x\u00e0 ph\u00f2ng khi\u1ebfn c\u00e1c h\u1ea1t nano oxit s\u1eaft t\u1ee5 l\u1ea1i v\u1edbi nhau tr\u00ean b\u1ec1 m\u1eb7t c\u1ee7a c\u00e1c gi\u1ecdt toluen v\u00e0 t\u1ea1o th\u00e0nh m\u1ed9t l\u1edbp v\u1ecf.<\/p>\n\n\n\n

Ti\u1ebfp theo, c\u00e1c nh\u00e0 khoa h\u1ecdc t\u00ecm c\u00e1ch t\u1eeb h\u00f3a \u0111\u1eb7t c\u00e1c gi\u1ecdt toluen v\u00e0 c\u00e1c h\u1ea1t oxit s\u1eaft b\u1ecb h\u00fat v\u00e0o nam ch\u00e2m. Nh\u01b0ng khi di chuy\u1ec3n nam ch\u00e2m r\u1eafn ra n\u01a1i kh\u00e1c, c\u00e1c h\u1ea1t oxit s\u1eaft v\u1eabn gi\u1eef \u0111\u01b0\u1ee3c t\u1eeb t\u00ednh. “Ch\u00fang t\u00f4i g\u1ea7n nh\u01b0 kh\u00f4ng th\u1ec3 tin v\u00e0o m\u1eaft m\u00ecnh”, ti\u1ebfn s\u0129 Russell n\u00f3i.<\/p>\n\n\n\n

V\u00e0o nh\u1eefng n\u0103m 1960, c\u00e1c nh\u00e0 khoa h\u1ecdc t\u1ea1i NASA \u0111\u00e3 ph\u00e1t hi\u1ec7n r\u1eb1ng m\u1ed9t s\u1ed1 ch\u1ea5t l\u1ecfng c\u00f3 th\u1ec3 b\u1ecb t\u1eeb h\u00f3a khi c\u00f3 t\u1eeb tr\u01b0\u1eddng m\u1ea1nh. Nh\u01b0ng nh\u1eefng ch\u1ea5t l\u1ecfng n\u00e0y lu\u00f4n m\u1ea5t t\u1eeb \u200b\u200bt\u00ednh ngay khi t\u00e1ch kh\u1ecfi t\u1eeb tr\u01b0\u1eddng b\u00ean ngo\u00e0i. Ng\u01b0\u1ee3c l\u1ea1i, c\u00e1c gi\u1ecdt ch\u1ea5t l\u1ecfng m\u1edbi \u0111\u01b0\u1ee3c t\u1ea1o ra tr\u1edf th\u00e0nh t\u1eeb t\u00ednh.<\/p>\n\n\n\n

Lo\u1ea1i v\u1eadt li\u1ec7u m\u1edbi n\u00e0y c\u00f3 t\u1ea5t c\u1ea3 c\u00e1c \u0111\u1eb7c t\u00ednh c\u1ee7a m\u1ed9t nam ch\u00e2m th\u00f4ng th\u01b0\u1eddng, nh\u01b0ng thay \u0111\u1ed5i \u0111\u01b0\u1ee3c h\u00ecnh d\u1ea1ng, m\u1ec1m, l\u1ecfng nh\u01b0 n\u01b0\u1edbc n\u00ean c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng trong nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau.<\/p>\n\n\n\n

C\u00e1c gi\u1ecdt ch\u1ea5t l\u1ecfng n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u1ea1o ra \u0111\u1ec3 thay \u0111\u1ed5i h\u00ecnh d\u1ea1ng ch\u1ec9 b\u1eb1ng m\u1ed9t l\u1ef1c nh\u1ecf v\u00e0 di chuy\u1ec3n v\u1ecb tr\u00ed b\u1eb1ng vi\u1ec7c s\u1eed d\u1ee5ng nam ch\u00e2m b\u00ean ngo\u00e0i. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 nam ch\u00e2m l\u1ecfng s\u1ebd h\u1eefu \u00edch trong vi\u1ec7c \u0111\u01b0a thu\u1ed1c \u0111\u1ebfn c\u00e1c \u0111\u1ecba \u0111i\u1ec3m c\u1ee5 th\u1ec3 trong c\u01a1 th\u1ec3 con ng\u01b0\u1eddi ho\u1eb7c \u1ee9ng d\u1ee5ng \u0111\u1ec3 t\u1ea1o ra c\u00e1c robot m\u1ec1m m\u1ec1m c\u00f3 th\u1ec3 di chuy\u1ec3n, thay \u0111\u1ed5i h\u00ecnh d\u1ea1ng ho\u1eb7c l\u1ea5y \u0111\u1ed3 v\u1eadt.<\/p>\n","protected":false},"excerpt":{"rendered":"

TTO – C\u00e1c nh\u00e0 khoa h\u1ecdc v\u1eeba t\u1ea1o ra lo\u1ea1i nam ch\u00e2m m\u1edbi r\u1ea5t m\u1ec1m, c\u00f3 th\u1ec3 ch\u1ea3y nh\u01b0 n\u01b0\u1edbc v\u00e0 thay \u0111\u1ed5i h\u00ecnh d\u1ea1ng. \u0110\u00e2y \u0111\u01b0\u1ee3c coi l\u00e0 m\u1ed9t ph\u00e1t minh c\u00f3 l\u1ee3i r\u1ea5t l\u1edbn trong y h\u1ecdc v\u00e0 c\u00f4ng ngh\u1ec7 robot t\u01b0\u01a1ng lai. Lo\u1ea1i v\u1eadt li\u1ec7u m\u1edbi n\u00e0y c\u00f3 t\u1ea5t c\u1ea3 \u0111\u1eb7c t\u00ednh […]<\/p>\n","protected":false},"author":23,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-28574","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\/28574","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\/23"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=28574"}],"version-history":[{"count":1,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28574\/revisions"}],"predecessor-version":[{"id":28575,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28574\/revisions\/28575"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=28574"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=28574"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=28574"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}