C\u00e1c k\u1ef9 s\u01b0 v\u00e0 nh\u00e0 khoa h\u1ecdc t\u1ea1i Tr\u01b0\u1eddng K\u1ef9 thu\u1eadt v\u00e0 Khoa h\u1ecdc \u1ee9ng d\u1ee5ng Henry Samueli thu\u1ed9c \u0110\u1ea1i h\u1ecdc California, Los Angeles v\u00e0 t\u1ed5 ch\u1ee9c nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n phi l\u1ee3i nhu\u1eadn SRI c\u00f3 tr\u1ee5 s\u1edf t\u1ea1i Menlo Park, California, \u0111\u00e3 ch\u1ebf t\u1ea1o \u0111\u01b0\u1ee3c thi\u1ebft b\u1ecb d\u1ebbo v\u00e0 m\u1ecfng \u0111\u1ec3 l\u00e0m m\u00e1t \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh v\u00e0 m\u00e1y t\u00ednh x\u00e1ch tay, c\u0169ng nh\u01b0 ng\u0103n ch\u1eb7n t\u00ecnh tr\u1ea1ng thi\u1ebft b\u1ecb tr\u1edf n\u00ean qu\u00e1 n\u00f3ng.<\/p>\n
H\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed, h\u1ec7 th\u1ed1ng robot v\u00e0 c\u00e1c lo\u1ea1i h\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t c\u00e1 nh\u00e2n m\u1edbi. \u0110\u00e2y l\u00e0 minh ch\u1ee9ng \u0111\u1ea7u ti\u00ean cho thi\u1ebft b\u1ecb l\u00e0m m\u00e1t \u1edf tr\u1ea1ng th\u00e1i r\u1eafn ho\u1ea1t \u0111\u1ed9ng d\u1ef1a v\u00e0o hi\u1ec7u \u1ee9ng electrocaloric – hi\u1ec7n t\u01b0\u1ee3ng trong \u0111\u00f3 nhi\u1ec7t \u0111\u1ed9 c\u1ee7a v\u1eadt li\u1ec7u thay \u0111\u1ed5i khi xu\u1ea5t hi\u1ec7n \u0111i\u1ec7n tr\u01b0\u1eddng tr\u00ean v\u1eadt li\u1ec7u. Nghi\u00ean c\u1ee9u \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 tr\u00ean T\u1ea1p ch\u00ed Science.<\/p>\n
Ph\u01b0\u01a1ng ph\u00e1p m\u1edbi ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng s\u1eed d\u1ee5ng m\u1ed9t m\u00e0ng polyme m\u1ecfng \u0111\u1ec3 truy\u1ec1n nhi\u1ec7t t\u1eeb ngu\u1ed3n nhi\u1ec7t (th\u01b0\u1eddng l\u00e0 pin ho\u1eb7c b\u1ed9 vi x\u1eed l\u00fd) sang “b\u1ed9 t\u1ea3n nhi\u1ec7t” v\u00e0 \u0111an xen ti\u1ebfp x\u00fac gi\u1eefa hai b\u1ed9 ph\u1eadn n\u00e0y b\u1eb1ng c\u00e1ch kh\u1edfi \u0111\u1ed9ng v\u00e0 ng\u1eaft \u0111i\u1ec7n \u00e1p. Do m\u00e0ng polyme d\u1ebbo, n\u00ean h\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh cho c\u00e1c thi\u1ebft b\u1ecb c\u00f3 \u0111\u1ed9 cong ph\u1ee9c t\u1ea1p ho\u1eb7c v\u1edbi c\u00e1c b\u1ec1 m\u1eb7t chuy\u1ec3n \u0111\u1ed9ng.<\/p>\n
H\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng ch\u1ee7 y\u1ebfu cho c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed di \u0111\u1ed9ng v\u00e0 thi\u1ebft b\u1ecb mang theo ng\u01b0\u1eddi. Nh\u01b0 h\u1ea7u h\u1ebft ng\u01b0\u1eddi d\u00f9ng \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh v\u00e0 m\u00e1y t\u00ednh b\u1ea3ng \u0111\u1ec1u bi\u1ebft, thi\u1ebft b\u1ecb c\u00f3 xu h\u01b0\u1edbng n\u00f3ng l\u00ean khi n\u00f3 ho\u1ea1t \u0111\u1ed9ng, \u0111\u1eb7c bi\u1ec7t v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng c\u1ea7n nhi\u1ec1u n\u0103ng l\u01b0\u1ee3ng. V\u00ec v\u1eady, d\u00f9 c\u00e1c thi\u1ebft b\u1ecb n\u00e0y \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o b\u1eb1ng b\u1ed9 t\u1ea3n nhi\u1ec7t kim lo\u1ea1i b\u00ean trong \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 t\u1ea3n nhi\u1ec7t t\u1eeb pin v\u00e0 b\u1ed9 vi x\u1eed l\u00fd c\u1ee7a m\u00e1y t\u00ednh, nh\u01b0ng ch\u00fang v\u1eabn c\u00f3 th\u1ec3 tr\u1edf n\u00ean n\u00f3ng qu\u00e1, th\u1eadm ch\u00ed khi\u1ebfn thi\u1ebft b\u1ecb t\u1eaft \u0111\u1ed9t ng\u1ed9t. Nhi\u1ec7t qu\u00e1 n\u00f3ng theo th\u1eddi gian s\u1ebd l\u00e0m h\u1ecfng linh ki\u1ec7n c\u1ee7a thi\u1ebft b\u1ecb.<\/p>\n
Xu h\u01b0\u1edbng \u0111\u00f3 v\u1eabn l\u00e0 th\u00e1ch th\u1ee9c l\u1edbn \u0111\u1ed1i v\u1edbi c\u00e1c k\u1ef9 s\u01b0 v\u00e0 c\u00f9ng v\u1edbi s\u1ef1 ra \u0111\u1eddi c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed d\u1ebbo, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u v\u00e0 nh\u00e0 s\u1ea3n xu\u1ea5t thi\u1ebft b\u1ecb \u0111ang n\u1ed7 l\u1ef1c \u0111\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1. C\u00e1c h\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t trong c\u00e1c thi\u1ebft b\u1ecb nh\u01b0 \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed v\u00e0 t\u1ee7 l\u1ea1nh s\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng n\u00e9n h\u01a1i, c\u00f3 k\u00edch th\u01b0\u1edbc qu\u00e1 l\u1edbn so v\u1edbi c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed di \u0111\u1ed9ng. (Ch\u00fang c\u0169ng kh\u00f4ng th\u1ef1c t\u1ebf \u0111\u1ed1i v\u1edbi \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh v\u00e0 c\u00f4ng ngh\u1ec7 mang theo ng\u01b0\u1eddi v\u00ec s\u1eed d\u1ee5ng h\u00f3a ch\u1ea5t l\u00e0m m\u00e1t g\u00e2y h\u1ea1i cho m\u00f4i tr\u01b0\u1eddng).<\/p>\n
H\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t c\u1ee7a UCLA-SRI c\u0169ng c\u00f3 m\u1ed9t s\u1ed1 \u01b0u \u0111i\u1ec3m nh\u1ea5t \u0111\u1ecbnh so v\u1edbi h\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t ti\u00ean ti\u1ebfn kh\u00e1c \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 m\u00e1y l\u00e0m m\u00e1t b\u1eb1ng nhi\u1ec7t \u0111i\u1ec7n, c\u1ea7n c\u00f3 v\u1eadt li\u1ec7u g\u1ed1m \u0111\u1eaft ti\u1ec1n nh\u01b0ng kh\u1ea3 n\u0103ng l\u00e0m m\u00e1t c\u1ee7a ch\u00fang v\u1eabn kh\u00f4ng b\u1eb1ng h\u1ec7 th\u1ed1ng n\u00e9n h\u01a1i. H\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t m\u1edbi c\u00f3 ti\u1ec1m n\u0103ng \u1ee9ng d\u1ee5ng cho t\u1ea5m l\u00f3t d\u1ebbo \u0111\u1ec3 \u0111i\u1ec1u tr\u1ecb v\u1ebft th\u01b0\u01a1ng ho\u1eb7c gi\u1ea3m “t\u1ea1p \u00e2m” trong m\u00e1y \u1ea3nh nhi\u1ec7t, c\u0169ng nh\u01b0 cho c\u00e1c thi\u1ebft b\u1ecb nh\u00ecn ban \u0111\u00eam.<\/p>\n
\u00a0(NASATI)<\/em><\/p>\n","protected":false},"excerpt":{"rendered":" C\u00e1c k\u1ef9 s\u01b0 v\u00e0 nh\u00e0 khoa h\u1ecdc t\u1ea1i Tr\u01b0\u1eddng K\u1ef9 thu\u1eadt v\u00e0 Khoa h\u1ecdc \u1ee9ng d\u1ee5ng Henry Samueli thu\u1ed9c \u0110\u1ea1i h\u1ecdc California, Los Angeles v\u00e0 t\u1ed5 ch\u1ee9c nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n phi l\u1ee3i nhu\u1eadn SRI c\u00f3 tr\u1ee5 s\u1edf t\u1ea1i Menlo Park, California, \u0111\u00e3 ch\u1ebf t\u1ea1o \u0111\u01b0\u1ee3c thi\u1ebft b\u1ecb d\u1ebbo v\u00e0 m\u1ecfng \u0111\u1ec3 l\u00e0m m\u00e1t […]<\/p>\n","protected":false},"author":18,"featured_media":7629,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-7628","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\/7628","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\/18"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=7628"}],"version-history":[{"count":1,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/7628\/revisions"}],"predecessor-version":[{"id":7630,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/7628\/revisions\/7630"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/7629"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=7628"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=7628"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=7628"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}