T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 2 – Arkady Leokum<\/p>\n\n\n\n
Kh\u1ea3 n\u0103ng n\u00f3i c\u1ee7a con ng\u01b0\u1eddi m\u1ed9t ph\u1ea7n l\u1edbn l\u00e0 do c\u00e1ch c\u1ea5u t\u1ea1o c\u1ee7a thanh qu\u1ea3n. \u0111\u00e2y l\u00e0 m\u1ed9t xoang gi\u1ed1ng nh\u01b0 m\u1ed9t c\u00e1i h\u1ed9p. Th\u1eadt ra \u0111\u00f3 l\u00e0 ph\u1ea7n m\u1edf r\u1ed9ng c\u1ee7a kh\u00ed qu\u1ea3n. V\u00e1ch c\u1ee7a c\u00e1i h\u1ed9p n\u00e0y l\u00e0m b\u1eb1ng s\u1ee5n v\u00e0 \u0111\u01b0\u1ee3c l\u00f3t b\u00ean trong b\u1eb1ng m\u1ed9t m\u00e0ng nh\u1ea7y. T\u1ea1i m\u1ed9t \u0111i\u1ec3m \u1edf c\u1ea3 hai b\u00ean, v\u00e1ch m\u00e0ng nh\u1ea7y tr\u1edf n\u00ean d\u00e0y h\u01a1n th\u00e0nh m\u1ed9t c\u00e1i v\u00f2i v\u01b0\u01a1n t\u1eeb v\u00e1ch h\u01b0\u1edbng v\u1ec1 ph\u00eda trung t\u00e2m. Ch\u00ednh c\u00e1i v\u00f2i n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 thanh \u0111\u1edbi. M\u1ed7i d\u00e2y thanh \u0111\u1edbi v\u1eadn \u0111\u1ed9ng \u0111\u01b0\u1ee3c nhi\u1ec1u c\u01a1 nh\u1ecf. T\u1eeb ph\u1ed5i ra mi\u1ec7ng, kh\u00f4ng kh\u00ed ph\u1ea3i len qua gi\u1eefa hai thanh \u0111\u1edbi v\u00e0 l\u00e0m cho n\u00f3 rung l\u00ean. T\u00e1c \u0111\u1ed9ng n\u00e0y t\u1ea1o ra \u00e2m thanh.<\/p>\n\n\n\n
Nh\u01b0ng l\u00e0 \u00e2m thanh lo\u1ea1i n\u00e0o? C\u00e1i \u0111\u00f3 t\u00f9y thu\u1ed9c v\u1ecb tr\u00ed v\u00e0 \u0111\u1ed9 c\u0103ng c\u1ee7a hai thanh \u0111\u1edbi. H\u1ec7 th\u1ed1ng c\u01a1 ki\u1ec3m so\u00e1t hai d\u00e2y \u0111\u00f3 l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng c\u01a1 tinh t\u1ebf nh\u1ea5t trong to\u00e0n th\u00e2n con ng\u01b0\u1eddi \u0111\u1ec3 c\u00f3 th\u1ec3 t\u1ea1o ra t\u1ea5t c\u1ea3 m\u1ecdi lo\u1ea1i \u00e2m thanh. Th\u1ef1c ra thanh \u0111\u1edbi c\u00f3 th\u1ec3 c\u00f3 170 t\u00ecnh tr\u1ea1ng c\u0103n gi\u00e3n. Khi thanh \u0111\u1edbi rung l\u00ean l\u00e0m cho c\u1ed9t kh\u00f4ng kh\u00ed trong khi tho\u00e1t ra c\u0169ng b\u1ecb rung l\u00ean theo. C\u00e1i m\u00e0 ta nghe th\u1ea5y ch\u00ednh l\u00e0 s\u1ef1 rung c\u1ee7a c\u1ed9t kh\u00ed \u0111\u00f3. N\u1ebfu thanh \u0111\u1edbi kh\u00f4ng qu\u00e1 c\u0103ng th\u00ec t\u1ea1o ra \u00e2m ba c\u00f3 \u0111\u1ed9 d\u00e0i l\u1edbn v\u00e0 ta nghe gi\u1ecdng tr\u1ea7m. N\u1ebfu thanh \u0111\u1edbi c\u0103ng, \u0111\u1ed9 rung s\u1ebd cao t\u1ea1o ra \u00e2m ba c\u00f3 \u0111\u1ed9 d\u00e0i nh\u1ecf v\u00e0 ta nghe th\u1ea5y gi\u1ecdng cao. Khi tr\u1ebb nam t\u1edbi kho\u1ea3ng 14 tu\u1ed5i th\u00ec v\u00e1ch thanh \u0111\u1edbi v\u00e0 thanh qu\u1ea3n tr\u1edf n\u00ean d\u00e0y h\u01a1n l\u00e0m cho \u00e2m \u0111\u1ed9 c\u1ee7a \u00e2m thanh b\u1ecb th\u1ea5p. Hi\u1ec7n t\u01b0\u1ee3ng thay \u0111\u1ed5i n\u00e0y g\u1ecdi l\u00e0 \u201cv\u1ee1 ti\u1ebfng\u201d.<\/p>\n\n\n\n
Nh\u01b0 v\u1eady \u00e2m tr\u00ecnh ta ph\u00e1t ra t\u00f9y thu\u1ed9c v\u00e0 \u0111\u1ed9 c\u0103ng c\u1ee7a thanh \u0111\u1edbi. Th\u1ebf c\u00f2n \u201cthanh\u201d th\u00ec sao? Thanh t\u00f9y thu\u1ed9c v\u00e0o qu\u1ea3ng \u0111\u1ed9 \u00e2m c\u0169ng nh\u01b0 ti\u1ebfng (thanh) c\u1ee7a c\u00e2y \u0111\u00e0n v\u0129 c\u1ea7m l\u00e0 do s\u1ef1 rung c\u1ee7a to\u00e0n th\u1ec3 c\u00e2y v\u0129 c\u1ea7m ch\u00fa kh\u00f4ng ph\u1ea3i ch\u1ec9 do \u0111\u1ed9 rung c\u1ee7a d\u00e2y. Khi n\u00f3i ho\u1eb7c h\u00e1t, qu\u1ea3ng \u0111\u1ed9 \u00e2m li\u00ean quan \u0111\u1ebfn kh\u00ed qu\u1ea3n, ph\u1ed5i, l\u1ed3ng ng\u1ef1c v\u00e0 th\u1eadm ch\u00ed c\u1ea3 \u0111\u1ed9 l\u1edbn r\u1ed9ng c\u1ee7a mi\u1ec7ng v\u00e0 m\u0169i n\u1eefa. S\u1ef1 rung c\u1ee7a kh\u00f4ng kh\u00ed b\u00ean trong nh\u1eefng b\u1ed9 ph\u1eadn n\u00e0y g\u00f3p ph\u1ea7n quy\u1ebft \u0111\u1ecbnh v\u00e0o s\u1ef1 h\u00ecnh th\u00e0nh c\u1ee7a \u201cthanh\u201d.<\/p>\n\n\n\n
Nh\u01b0ng kh\u00f4ng ph\u1ea3i ch\u1ec9 c\u00f3 b\u1ea5y nhi\u00eau, b\u1ee5ng, ng\u1ef1c, ho\u00e0nh c\u00e1ch m\u00f4, l\u01b0\u1ee1i, v\u00f2m mi\u1ec7ng, m\u00f4i r\u0103ng\u2026 t\u1ea5t c\u1ea3 \u0111\u1ec1u \u201cv\u00e0o cu\u1ed9c\u201d \u0111\u1ec3 g\u00f3p ph\u1ea7n v\u00e0o vi\u1ec7c ph\u00e1t thanh v\u00e0 \u00e2m. Nh\u01b0 v\u1eady, ta th\u1ea5y qu\u00e1 tr\u00ecnh n\u00f3i c\u0169ng gi\u1ed1ng nh\u01b0 vi\u1ec7c s\u1eed d\u1ee5ng m\u1ed9t nh\u1ea1c c\u1ee5 h\u1ebft s\u1ee9c ph\u1ee9c t\u1ea1p v\u00e0 kh\u00f3 kh\u0103n. Kh\u00f4ng h\u1eb3n v\u00ec ta h\u1ecdc n\u00f3i t\u1eeb l\u00fac l\u1ecdt l\u00f2ng m\u1eb9 v\u00e0 li\u00ean t\u1ee5c th\u1ef1c h\u00e0nh (n\u00f3i) m\u00e0 ta c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng nh\u1ea1c c\u1ee5 n\u00e0y (t\u1ee9c l\u00e0 n\u00f3i) m\u1ed9t c\u00e1ch \u201cngon l\u00e0nh\u201d tr\u00f4i ch\u1ea3y \u0111\u00e2u.<\/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 2 – Arkady Leokum Kh\u1ea3 n\u0103ng n\u00f3i c\u1ee7a con ng\u01b0\u1eddi m\u1ed9t ph\u1ea7n l\u1edbn l\u00e0 do c\u00e1ch c\u1ea5u t\u1ea1o c\u1ee7a thanh qu\u1ea3n. \u0111\u00e2y l\u00e0 m\u1ed9t xoang gi\u1ed1ng nh\u01b0 m\u1ed9t c\u00e1i h\u1ed9p. Th\u1eadt ra \u0111\u00f3 l\u00e0 ph\u1ea7n m\u1edf r\u1ed9ng c\u1ee7a kh\u00ed qu\u1ea3n. V\u00e1ch c\u1ee7a c\u00e1i […]<\/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-13871","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\/13871","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=13871"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/13871\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=13871"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=13871"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=13871"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}