T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 1 – Arkady Leokum<\/p>\n\n\n\n
Ch\u1eafc h\u1eb3n b\u1ea1n ngh\u0129 th\u1ee9 c\u1ea7n thi\u1ebft v\u00e0 h\u1eefu \u00edch nh\u01b0 x\u00e0 b\u00f4ng th\u00ec ph\u1ea3i \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o ra t\u1eeb l\u00e2u l\u1eafm r\u1ed3i ch\u1edb. Kh\u00f4ng! Trong l\u1ecbch s\u1eed, \u201ctu\u1ed5i\u201d c\u1ee7a x\u00e0 b\u00f4ng c\u00f2n tr\u1ebb m\u0103ng h\u00e0! N\u00f3 m\u1edbi ch\u1ec9 \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o h\u1ed3i \u0111\u1ea7u\u2026 C\u00f4ng nguy\u00ean. So v\u1edbi nhi\u1ec1u \u0111\u1ed3 d\u00f9ng c\u1ea7n thi\u1ebft kh\u00e1c – nh\u01b0 c\u00e1i l\u01b0\u1ee3c ch\u1eb3ng h\u1ea1n – th\u00ec 2000 n\u0103m tu\u1ed5i l\u1ecbch s\u1eed l\u00e0 \u201ctr\u1ebb\u201d \u0111\u1ea5y.<\/p>\n\n\n\n
Th\u1ebf ng\u01b0\u1eddi x\u01b0a l\u00e0m c\u00e1ch n\u00e0o \u0111\u1ec3 r\u1eeda s\u1ea1ch c\u00e1u gh\u00e9t tr\u00ean th\u00e2n th\u1ec3 c\u1ee7a m\u00ecnh? H\u1ecd l\u00e0m \u0111i\u1ec1u \u0111\u00f3 b\u1eb1ng\u2026 d\u1ea7u \u00f4 liu! \u0111\u1ea5y l\u00e0 d\u00e2n sang. C\u00f2n d\u00e2n ngh\u00e8o th\u00ec l\u1ecdc tro th\u1ea3o m\u1ed9c l\u1ea5y n\u01b0\u1edbc m\u00e0 t\u1eafm. Nh\u01b0ng v\u00e0o th\u1eddi Pliny (m\u1ed9t nh\u00e0 v\u0103n La M\u00e3 th\u1ebf k\u1ef7 th\u1ee9 nh\u1ea5t tr\u01b0\u1edbc c\u00f4ng nguy\u00ean) \u0111\u00e3 n\u00f3i t\u1edbi hai th\u1ee9 m\u00e0 c\u00f3 l\u1ebd ng\u00e0y nay ta g\u1ecdi l\u00e0 x\u00e0 b\u00f4ng c\u1ee9ng, x\u00e0 b\u00f4ng m\u1ec1m. \u00d4ng m\u00f4 t\u1ea3 n\u00f3 nh\u01b0 l\u00e0 m\u1ed9t ph\u00e1t minh nh\u1eb1m gi\u00fap cho m\u00e1i t\u00f3c s\u1ea1ch s\u1ebd \u00f3ng \u1ea3 v\u00e0 cho r\u1eb1ng d\u00e2n v\u00f9ng G\u00f4-loa (t\u1ed5 ti\u00ean c\u1ee7a \u0111a s\u1ed1 ng\u01b0\u1eddi Ph\u00e1p ng\u00e0y nay) \u0111\u00e3 s\u00e1ng ch\u1ebf ra n\u00f3.<\/p>\n\n\n\n
Tuy nhi\u00ean trong \u0111\u1ed1ng ph\u1ebf t\u00edch b\u1ecb ch\u00f4n v\u00f9i c\u1ee7a th\u00e0nh ph\u1ed1 Pompeli (m\u1ed9t th\u00e0nh ph\u1ed1 b\u1ecb n\u00fai l\u1eeda Vesuve \u201cch\u00f4n s\u1ed1ng\u201d v\u00ec n\u1ed5 b\u1ea5t th\u00ecnh l\u00ecnh v\u00e0 trong kho\u1ea3nh kh\u1eafc tung ra m\u1ed9t kh\u1ed1i l\u01b0\u1ee3ng dung nham r\u1ea5t l\u1edbn) ng\u01b0\u1eddi ta \u0111\u00e3 t\u00ecm th\u1ea5y m\u1ed9t c\u01a1 x\u01b0\u1edfng ch\u1ebf t\u1ea1o th\u1ee9 \u0111\u1ed3 d\u00f9ng gi\u1ed1ng nh\u01b0 x\u00e0 b\u00f4ng ta d\u00f9ng ng\u00e0y nay. C\u0169ng n\u00ean bi\u1ebft r\u1eb1ng ch\u1ec9 m\u1edbi c\u00e1ch nay kho\u1ea3ng m\u1ed9t tr\u0103m n\u0103m th\u00f4i th\u00ec ngay t\u1ea1i Hoa K\u1ef3 ng\u01b0\u1eddi ta v\u1eabn t\u1ef1 ch\u1ebf ra x\u00e0 b\u00f4ng \u0111\u1ec3 d\u00f9ng t\u1ea1i nh\u00e0.<\/p>\n\n\n\n
X\u00e0 b\u00f4ng \u0111\u01b0\u1ee3c ch\u1ebf b\u1eb1ng c\u00e1ch \u0111un s\u00f4i m\u1ed9t h\u1ee3p ch\u1ea5t g\u1ed3m ch\u1ea5t b\u00e9o, d\u1ea7u v\u00e0 alkali (t\u1ee9c l\u00e0 mu\u1ed1i b\u1ed3 t\u1ea1t hay l\u00e0 ch\u1ea5t ki\u1ec1m). Trong c\u00e1c nh\u00e0 m\u00e1y ch\u1ebf t\u1ea1o x\u00e0 b\u00f4ng, tr\u01b0\u1edbc h\u1ebft ng\u01b0\u1eddi ta \u0111un s\u00f4i alkali v\u00e0 ch\u1ea5t b\u00e9o trong nh\u1eefng c\u00e1i th\u00f9ng th\u1eadt l\u1edbn. Qu\u00e1 tr\u00ecnh n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201cx\u00e0 b\u00f4ng h\u00f3a\u201d. Khi \u201cg\u1ea7n\u201d \u0111\u01b0\u1ee3c r\u1ed3i th\u00ec \u0111\u1ed5 th\u00eam mu\u1ed1i v\u00e0o, mu\u1ed1i s\u1ebd l\u00e0m cho x\u00e0 b\u00f4ng n\u1ed5i l\u00ean. Dung d\u1ecbch mu\u1ed1i ch\u1ee9a glyc\u00e9rin, b\u1ee5i b\u1eb7m v\u00e0 m\u1ed9t \u00edt c\u1eb7n alkali ch\u00ecm xu\u1ed1ng d\u01b0\u1edbi. H\u1edbt l\u1ea5y \u201cx\u00e0 b\u00f4ng\u201d. \u1ea4y, \u0111\u1eebng v\u1ed9i l\u1ea5y \u201cx\u00e0 b\u00f4ng\u201d \u1ea5y \u0111em x\u00e0i li\u1ec1n. Ch\u01b0a \u0111\u01b0\u1ee3c \u0111\u00e2u. Qu\u00e1 tr\u00ecnh x\u00e0 b\u00f4ng h\u00f3a ph\u1ea3i l\u00e0m \u0111i l\u00e0m l\u1ea1i n\u0103m s\u00e1u l\u1ea7n. M\u1ed7i l\u1ea7n th\u00eam n\u01b0\u1edbc, th\u00eam n\u01b0\u1edbc cho \u0111\u1ebfn khi ch\u1ec9 c\u00f2n \u00edt ch\u1ea5t b\u00e9o th\u00ec m\u1edbi th\u00e0nh \u201cx\u00e0 b\u00f4ng\u201d x\u00e0i \u0111\u01b0\u1ee3c. Nh\u01b0ng n\u00f3 c\u0169ng ch\u1ec9 \u0111\u1ec3 r\u1eeda ch\u00e9n l\u00e0 c\u00f9ng v\u00ec n\u00f3 c\u00f2n h\u00f4i l\u1eafm v\u00e0 nh\u00e3o nh\u1eb9t. B\u1edfi v\u1eady, b\u01b0\u1edbc k\u1ebf ti\u1ebfp l\u00e0 ph\u1ea3i pha v\u00e0o \u0111\u00f3 nhi\u1ec1u ch\u1ea5t ph\u1ee5 gia kh\u00e1c nh\u01b0 ch\u1ea5t t\u1ea1o b\u1ecdt, ch\u1ea5t l\u00e0m m\u1ec1m, d\u1ea7u th\u01a1m, m\u00e0u\u2026 Sau \u0111\u00f3 t\u00f9y \u00fd mu\u1ed1n m\u00e0 l\u00e0m x\u00e0 b\u00f4ng. X\u00e0 b\u00f4ng c\u1ee5c th\u00ec \u0111\u1ed5 v\u00e0o khu\u00f4n. C\u00f2n x\u00e0 b\u00f4ng b\u1ed9t th\u00ec l\u1eafm c\u00f4ng phu n\u1eefa.<\/p>\n\n\n\n
T\u1ea5t nhi\u00ean, kh\u00f4ng th\u1ec3 kh\u00f4ng n\u00f3i \u0111\u1ebfn c\u00e1i kh\u00e2u l\u00e0m \u0111\u1eb9p, l\u00e0m cho x\u00e0 b\u00f4ng th\u00eam ph\u1ea7n h\u1ea5p d\u1eabn b\u1eb1ng nh\u1eefng bao b\u00ec h\u1ebft s\u1ee9c h\u1ea5p d\u1eabn.<\/p>\n","protected":false},"excerpt":{"rendered":"
T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 1 – Arkady Leokum Ch\u1eafc h\u1eb3n b\u1ea1n ngh\u0129 th\u1ee9 c\u1ea7n thi\u1ebft v\u00e0 h\u1eefu \u00edch nh\u01b0 x\u00e0 b\u00f4ng th\u00ec ph\u1ea3i \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o ra t\u1eeb l\u00e2u l\u1eafm r\u1ed3i ch\u1edb. Kh\u00f4ng! Trong l\u1ecbch s\u1eed, \u201ctu\u1ed5i\u201d c\u1ee7a x\u00e0 b\u00f4ng c\u00f2n tr\u1ebb m\u0103ng h\u00e0! N\u00f3 m\u1edbi ch\u1ec9 […]<\/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-13624","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\/13624","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=13624"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/13624\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=13624"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=13624"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=13624"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}