B\u1ea1n \u0111\u00e3 t\u1eebng ch\u00fa \u00fd \u0111\u1ebfn s\u1ef1 vi\u1ec7c n\u00e0y ch\u01b0a? M\u00f9a h\u00e8 c\u00e1c h\u1ea1t n\u01b0\u1edbc r\u01a1i xu\u1ed1ng l\u00e1 sen, ch\u00fang s\u1ebd bi\u1ebfn th\u00e0nh t\u1eebng gi\u1ecdt, t\u1eebng gi\u1ecdt n\u01b0\u1edbc nh\u1ecf long lanh trong su\u1ed1t. Ch\u00fang l\u0103n qua l\u0103n l\u1ea1i tr\u00ean l\u00e1 sen nh\u01b0 nh\u1eefng vi\u00ean ng\u1ecdc trai l\u0103n trong khay v\u1eady.<\/p>\n\n\n\n
H\u1ea1t n\u01b0\u1edbc tr\u00ean l\u00e1 sen v\u00ec sao c\u00f3 th\u1ec3 bi\u1ebfn th\u00e0nh nh\u1eefng gi\u1ecdt n\u01b0\u1edbc nh\u1ecf tr\u00f2n vo? Ho\u00e1 ra l\u00e0 c\u00e1c ph\u00e2n t\u1eed b\u1ec1 m\u1eb7t h\u1ea1t n\u01b0\u1edbc ch\u1ecbu s\u1ee9c h\u00fat c\u1ee7a c\u00e1c ph\u00e2n t\u1eed n\u1ed9i b\u1ed9, sinh ra xu th\u1ebf chuy\u1ec3n \u0111\u1ed9ng h\u01b0\u1edbng v\u00e0o b\u00ean trong. V\u1eady l\u00e0 b\u1ec1 m\u1eb7t c\u1ee7a h\u1ea1t n\u01b0\u1edbc s\u1ebd c\u1ed1 h\u1ebft s\u1ee9c co nh\u1ecf l\u1ea1i. Co nh\u1ecf \u0111\u1ebfn m\u1ee9c n\u00e0o nh\u1ec9? Ch\u00fang ta bi\u1ebft r\u1eb1ng, th\u1ec3 t\u00edch c\u1ee7a h\u1ea1t n\u01b0\u1edbc kh\u00f4ng bi\u1ebfn \u0111\u1ed5i, ch\u1ec9 c\u00f3 khi tr\u1edf th\u00e0nh h\u00ecnh c\u1ea7u th\u00ec b\u1ec1 m\u1eb7t c\u1ee7a n\u00f3 m\u1edbi nh\u1ecf nh\u1ea5t. Cho n\u00ean h\u1ea1t n\u01b0\u1edbc nh\u1ecf li\u1ec1n bi\u1ebfn th\u00e0nh gi\u1ecdt n\u01b0\u1edbc nh\u1ecf h\u00ecnh c\u1ea7u.<\/p>\n\n\n\n
Ch\u00fang ta h\u00e3y xem x\u00e9t tr\u01b0\u1eddng h\u1ee3p khi tr\u1ebb em th\u1ed5i bong b\u00f3ng x\u00e0 ph\u00f2ng. B\u00ean trong bong b\u00f3ng c\u00f3 kh\u00f4ng kh\u00ed. Hai m\u1eb7t ch\u1ea5t l\u1ecfng trong v\u00e0 ngo\u00e0i bong b\u00f3ng x\u00e0 ph\u00f2ng c\u0169ng ph\u1ea3i li\u00ean t\u1ee5c co l\u1ea1i, cho \u0111\u1ebfn khi kh\u00f4ng kh\u00ed b\u00ean trong kh\u00f4ng th\u1ec3 b\u1ecb d\u1ed3n n\u00e9n nh\u1ecf l\u1ea1i n\u1eefa m\u1edbi th\u00f4i. Khi \u1ea5y, bong b\u00f3ng x\u00e0 ph\u00f2ng li\u1ec1n bi\u1ebfn th\u00e0nh m\u1ed9t qu\u1ea3 c\u1ea7u nh\u1ecf tr\u00f2n vo quay l\u1ed9n.<\/p>\n\n\n\n
C\u00e1c ph\u00e2n t\u1eed b\u1ec1 m\u1eb7t ch\u1ea5t l\u1ecfng, v\u00ec b\u1ecb s\u1ee9c h\u00fat c\u1ee7a c\u00e1c ph\u00e2n t\u1eed b\u00ean trong l\u00e0m cho n\u00f3 c\u00f3 xu th\u1ebf co nh\u1ecf l\u1ea1i. Xu th\u1ebf \u0111\u00f3 s\u1ebd l\u00e0m cho b\u1ed9 ph\u1eadn g\u1ea7n k\u1ec1 b\u1ec1 m\u1eb7t ch\u1ea5t l\u1ecfng n\u00e0y sinh ra k\u00e9o l\u1eabn nhau. Trong v\u1eadt l\u00ed, l\u1ef1c k\u00e9o l\u1eabn nhau n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 l\u1ef1c c\u0103ng b\u1ec1 m\u1eb7t. Ch\u00fang ta c\u00f3 th\u1ec3 th\u00f4ng qua m\u1ed9t th\u00ed nghi\u1ec7m \u0111\u01a1n gi\u1ea3n \u0111\u1ec3 quan s\u00e1t lo\u1ea1i l\u1ef1c c\u0103ng b\u1ec1 m\u1eb7t n\u00e0y.<\/p>\n\n\n\n
L\u1ea5y m\u1ed9t c\u00e1i khung b\u1eb1ng d\u00e2y th\u00e9p c\u00f3 bu\u1ed9c ngang m\u1ed9t s\u1ee3i ch\u1ec9 b\u00f4ng kh\u00f4ng c\u0103ng l\u1eafm. Nh\u00fang n\u00f3 v\u00e0o trong n\u01b0\u1edbc x\u00e0 ph\u00f2ng r\u1ed3i nh\u1ea5c l\u00ean. Tr\u00ean khung d\u00e2y th\u00e9p s\u1ebd c\u00f3 m\u1ed9t m\u00e0ng x\u00e0 ph\u00f2ng m\u1ecfng c\u0103ng r\u1ea5t ch\u1eb7t. Th\u1eed d\u00f9ng kim \u0111\u00e2m th\u1ee7ng m\u00e0ng m\u1ecfng \u1edf m\u1ed9t ph\u00eda c\u1ee7a s\u1ee3i ch\u1ec9 b\u00f4ng, m\u00e0ng m\u1ecfng c\u1ee7a ph\u00eda c\u00f2n l\u1ea1i li\u1ec1n co nh\u1ecf l\u1ea1i ngay. V\u00ec b\u1ecb m\u1ea5t \u0111i l\u1ef1c c\u0103ng b\u1ec1 m\u1eb7t c\u1ee7a m\u00e0ng m\u1ecfng m\u1ed9t ph\u00eda sinh ra, v\u00e0 d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng s\u1ee9c c\u0103ng b\u1ec1 m\u1eb7t m\u00e0ng m\u1ecfng ph\u00eda c\u00f2n l\u1ea1i, s\u1ee3i ch\u1ec9 b\u00f4ng li\u1ec1n c\u00f3 d\u1ea1ng h\u00ecnh cung h\u01a1i cong.<\/p>\n\n\n\n
B\u1ea5t k\u00ec b\u1ec1 m\u1eb7t ch\u1ea5t l\u1ecfng n\u00e0o c\u0169ng \u0111\u1ec1u c\u00f3 l\u1ef1c c\u0103ng b\u1ec1 m\u1eb7t. D\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a l\u1ef1c \u0111\u00f3, b\u1ec1 m\u1eb7t ch\u1ea5t l\u1ecfng c\u00f3 v\u1ebb nh\u01b0 \u0111\u01b0\u1ee3c ph\u1ee7 l\u00ean m\u1ed9t l\u1edbp m\u00e0ng b\u00f3 ch\u1eb7t. M\u00f9a h\u00e8, tr\u00ean m\u1eb7t n\u01b0\u1edbc th\u01b0\u1eddng c\u00f3 nhi\u1ec1u c\u00f4n tr\u00f9ng nh\u1ecf ung dung ch\u1ea1y \u0111i ch\u1ea1y l\u1ea1i, ch\u00ednh l\u00e0 nh\u1edd v\u00e0o l\u1edbp m\u00e0ng n\u01b0\u1edbc b\u00f3 ch\u1eb7t tr\u00ean m\u1eb7t n\u01b0\u1edbc \u0111\u00f3.<\/p>\n\n\n\n
T\u1eeb kh\u00f3a : H\u1ea1t n\u01b0\u1edbc; Bong b\u00f3ng x\u00e0 ph\u00f2ng; L\u1ef1c c\u0103ng b\u1ec1 m\u1eb7t; M\u00e0ng n\u01b0\u1edbc.<\/p>\n\n\n\n
<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
B\u1ea1n \u0111\u00e3 t\u1eebng ch\u00fa \u00fd \u0111\u1ebfn s\u1ef1 vi\u1ec7c n\u00e0y ch\u01b0a? M\u00f9a h\u00e8 c\u00e1c h\u1ea1t n\u01b0\u1edbc r\u01a1i xu\u1ed1ng l\u00e1 sen, ch\u00fang s\u1ebd bi\u1ebfn th\u00e0nh t\u1eebng gi\u1ecdt, t\u1eebng gi\u1ecdt n\u01b0\u1edbc nh\u1ecf long lanh trong su\u1ed1t. Ch\u00fang l\u0103n qua l\u0103n l\u1ea1i tr\u00ean l\u00e1 sen nh\u01b0 nh\u1eefng vi\u00ean ng\u1ecdc trai l\u0103n trong khay v\u1eady. H\u1ea1t n\u01b0\u1edbc tr\u00ean l\u00e1 sen […]<\/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":[15,7],"tags":[],"class_list":["post-5555","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-vat-ly"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/5555","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=5555"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/5555\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=5555"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=5555"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=5555"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}