{"id":13646,"date":"2021-11-27T13:06:40","date_gmt":"2021-11-27T06:06:40","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=13646"},"modified":"2021-11-27T13:06:41","modified_gmt":"2021-11-27T06:06:41","slug":"thuy-tinh-da-duoc-phat-hien-nhu-the-nao","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/thuy-tinh-da-duoc-phat-hien-nhu-the-nao\/","title":{"rendered":"Th\u1ee7y tinh \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n nh\u01b0 th\u1ebf n\u00e0o?"},"content":{"rendered":"\n<p>T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 1 &#8211; Arkady Leokum<\/p>\n\n\n\n<p>Trong su\u1ed1t b\u1ed1n ng\u00e0n n\u0103m, th\u1ee7y tinh \u0111\u00e3 \u0111\u01b0\u1ee3c coi nh\u01b0 m\u1ed9t c\u00e1i g\u00ec \u0111\u00f3 \u0111\u00e1ng l\u01b0u \u00fd, quan t\u00e2m. N\u00f3 c\u00f3 gi\u00e1 tr\u1ecb \u0111\u1ec3 trang tr\u00ed v\u00e0 ch\u1ebf t\u1ea1o nh\u1eefng \u0111\u1ed3 v\u1eadt qu\u00fd gi\u00e1. Th\u1ee7y tinh tr\u1edf n\u00ean h\u1eefu \u00edch khi ng\u01b0\u1eddi ta quan t\u00e2m \u0111\u1ebfn s\u1ef1 trong su\u1ed1t (th\u00f4ng quang) c\u1ee7a n\u00f3.<\/p>\n\n\n\n<p>Kh\u00f4ng th\u1ec3 bi\u1ebft r\u00f5 con ng\u01b0\u1eddi \u0111\u00e3 h\u1ecdc \u0111\u01b0\u1ee3c b\u00ed quy\u1ebft ch\u1ebf t\u1ea1o th\u1ee7y tinh \u1edf \u0111\u00e2u v\u00e0 khi n\u00e0o, m\u1eb7c d\u00f9 ta bi\u1ebft th\u1ee7y tinh \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng t\u1eeb ng\u00e0y x\u01b0a. Nguy\u00ean li\u1ec7u ch\u1ee7 y\u1ebfu \u0111\u1ec3 ch\u1ebf t\u1ea1o th\u1ee7y tinh l\u00e0 c\u00e1t, tro natri carbonat hay potat v\u00e0 v\u00f4i h\u00f2a tr\u1ed9n v\u1edbi nhau r\u1ed3i \u0111em nung n\u00f3ng \u1edf nhi\u1ec7t \u0111\u1ed9 cao. Nh\u1eefng nguy\u00ean li\u1ec7u n\u00e0y r\u1ea5t d\u1ed3i d\u00e0o \u1edf nhi\u1ec1u n\u01a1i tr\u00ean th\u1ebf gi\u1edbi cho n\u00ean b\u00ed quy\u1ebft ch\u1ebf t\u1ea1o th\u1ee7y tinh c\u0169ng \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n \u1edf nhi\u1ec1u n\u01a1i.<\/p>\n\n\n\n<p>Theo m\u1ed9t c\u00e2u chuy\u1ec7n k\u1ec3 l\u1ea1i, ng\u01b0\u1eddi Phoenicien c\u1ed5 \u0111\u00e1ng \u0111\u01b0\u1ee3c coi l\u00e0 c\u00f3 c\u00f4ng trong vi\u1ec7c ph\u00e1t minh ra th\u1ee7y tinh. M\u1ed9t th\u1ee7y th\u1ee7 \u0111o\u00e0n c\u1ee7a m\u1ed9t chi\u1ebfc t\u00e0u \u0111\u1ed5 b\u1ed9 l\u00ean b\u1edd bi\u1ec3n thu\u1ed9c c\u1eeda s\u00f4ng nay n\u1eb1m tr\u00ean ph\u1ea7n \u0111\u1ea5t n\u01b0\u1edbc Syria. Khi h\u1ecd s\u1eeda so\u1ea1n n\u1ea5u c\u01a1m, h\u1ecd kh\u00f4ng t\u00ecm \u0111\u01b0\u1ee3c h\u00f2n \u0111\u00e1 n\u00e0o \u0111\u1ec3 k\u00ea l\u00e0m b\u1ebfp. H\u1ecd b\u00e8n l\u1ea5y m\u1ea5y c\u1ee5c \u201c\u0111\u00e1\u201d c\u00f3 s\u1eb5n tr\u00ean t\u00e0u c\u1ee7a h\u1ecd xu\u1ed1ng. \u201cCh\u1eb3ng may\u201d m\u1ea5y c\u1ee5c \u0111\u00e1 n\u00e0y l\u1ea1i l\u00e0 m\u1ed9t h\u1ee3p ch\u1ea5t kali nitrat. L\u1eeda \u0111\u00e3 l\u00e0m ch\u1ea3y m\u1ea5y h\u00f2n \u0111\u00e1 \u1ea5y tr\u1ed9n l\u1eabn v\u1edbi c\u00e1t s\u1eb5n \u0111\u00f3 v\u00e0 l\u00e0m th\u00e0nh m\u1ed9t th\u1ee9 ch\u1ea5t l\u1ecfng trong trong. Khi c\u01a1m n\u01b0\u1edbc xong, d\u1ecdn b\u1ebfp \u0111i, h\u1ecd th\u1ea5y th\u1ee9 ch\u1ea5t l\u1ecfng kia \u0111\u00f4ng c\u1ee9ng l\u1ea1i th\u00e0nh m\u1ed9t m\u1ea3ng trong su\u1ed1t.<\/p>\n\n\n\n<p>C\u00e2u chuy\u1ec7n n\u00e0y c\u00f3 th\u1ec3 c\u00f3 v\u00e0 c\u0169ng c\u00f3 th\u1ec3 kh\u00f4ng th\u1eadt. Nh\u01b0ng Syria qu\u1ea3 th\u1eadt \u0111\u00e3 l\u00e0 m\u1ed9t trong nh\u1eefng n\u01a1i m\u00e0 th\u1ee7y tinh \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n v\u00e0 c\u00e1c th\u01b0\u01a1ng gia Phoenicien \u0111\u00e3 n\u1ea5u th\u1ee7y tinh tr\u00ean kh\u1eafp c\u00e1c n\u01b0\u1edbc ven duy\u00ean h\u1ea3i \u0111\u1ecba Trung H\u1ea3i.<\/p>\n\n\n\n<p>Ai C\u1eadp c\u0169ng l\u00e0 m\u1ed9t n\u01a1i th\u1ee7y tinh \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n t\u1eeb th\u1eddi xa x\u01b0a. X\u00e2u chu\u1ed7i v\u00e0 b\u00f9a ch\u00fa b\u1eb1ng th\u1ee7y tinh \u0111\u00e3 \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong nh\u1eefng ng\u00f4i m\u1ed9 c\u00f3 t\u1eeb 7000 n\u0103m tr\u01b0\u1edbc C\u00f4ng nguy\u00ean, nh\u01b0ng c\u00f3 th\u1ec3 l\u00e0 nh\u1eefng th\u1ee7y tinh n\u00e0y \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1edf t\u1eeb Syria t\u1edbi. M\u00e3i \u0111\u1ebfn n\u0103m 1500 tr\u01b0\u1edbc C\u00f4ng nguy\u00ean, ng\u01b0\u1eddi Ai C\u1eadp m\u1edbi t\u1ef1 ch\u1ebf t\u1ea1o \u0111\u01b0\u1ee3c th\u1ee7y tinh.<\/p>\n\n\n\n<p>Ng\u01b0\u1eddi Ai C\u1eadp tr\u1ed9n \u0111\u00e1 th\u1ea1ch anh nghi\u1ec1n nh\u1ecf v\u1edbi c\u00e1t \u0111\u1ec3 t\u1ea1o m\u00e0u cho th\u1ee7y tinh. H\u1ecd c\u0169ng bi\u1ebft pha th\u00eam cobalt, \u0111\u1ed3ng hay mangan v\u00e0o \u0111\u1ec3 t\u1ea1o m\u00e0u. H\u1ecd \u0111\u00e3 s\u1ea3n xu\u1ea5t ra \u0111\u01b0\u1ee3c th\u1ee7y tinh m\u00e0u l\u1ee5c, \u0111\u1ecf, xanh d\u01b0\u01a1ng hay \u0111\u1ecf \u0111\u1eadm.<\/p>\n\n\n\n<p>Kho\u1ea3ng n\u0103m 1200 tr\u01b0\u1edbc C\u00f4ng nguy\u00ean, ng\u01b0\u1eddi Ai C\u1eadp \u0111\u00e3 bi\u1ebft \u0111\u00fac khu\u00f4n th\u1ee7y tinh. Nh\u01b0ng nh\u1eefng \u1ed1ng kh\u00f3i \u0111\u00e8n th\u00ec m\u00e3i \u0111\u1ebfn g\u1ea7n \u0111\u1ea7u C\u00f4ng nguy\u00ean h\u1ecd m\u1edbi ch\u1ebf t\u1ea1o \u0111\u01b0\u1ee3c. V\u00e0 \u0111\u00f3 l\u1ea1i l\u00e0 s\u00e1ng ch\u1ebf c\u1ee7a ng\u01b0\u1eddi Phoenicien.<\/p>\n\n\n\n<p>Ng\u01b0\u1eddi La M\u00e3 c\u1ed5 l\u00e0 nh\u1eefng ng\u01b0\u1eddi ch\u1ebf t\u1ea1o th\u1ee7y tinh c\u1ee1 l\u1edbn. V\u00ec h\u1ecd \u0111\u00e3 d\u00f9ng nh\u1eefng t\u1ea5m th\u1ee7y tinh m\u1ecfng \u0111\u1ec3 l\u00f3t t\u01b0\u1eddng. \u0111\u1ebfn th\u1eddi C\u00f4ng nguy\u00ean th\u00ec th\u1ee7y tinh \u0111\u00e3 \u0111\u01b0\u1ee3c d\u00f9ng l\u00e0m c\u1eeda s\u1ed5 r\u1ed3i.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 1 &#8211; Arkady Leokum Trong su\u1ed1t b\u1ed1n ng\u00e0n n\u0103m, th\u1ee7y tinh \u0111\u00e3 \u0111\u01b0\u1ee3c coi nh\u01b0 m\u1ed9t c\u00e1i g\u00ec \u0111\u00f3 \u0111\u00e1ng l\u01b0u \u00fd, quan t\u00e2m. N\u00f3 c\u00f3 gi\u00e1 tr\u1ecb \u0111\u1ec3 trang tr\u00ed v\u00e0 ch\u1ebf t\u1ea1o nh\u1eefng \u0111\u1ed3 v\u1eadt qu\u00fd gi\u00e1. Th\u1ee7y tinh tr\u1edf n\u00ean [&hellip;]<\/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":[15],"tags":[],"class_list":["post-13646","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/13646","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=13646"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/13646\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=13646"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=13646"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=13646"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}