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
L\u1ecbch s\u1eed c\u1ee7a chi\u1ebfc m\u00e1y \u0111i\u1ec7n tho\u1ea1i th\u1eadt l\u00e0 b\u1ea5t ng\u1edd. (V\u00ec v\u1eady m\u00e0 ch\u1eb3ng ai ngh\u0129 \u0111\u1ebfn vi\u1ec7c \u0111\u01b0a c\u00e2u chuy\u1ec7n n\u00e0y l\u00ean m\u00e0n \u1ea3nh!) Nh\u01b0ng h\u00e3y c\u1ee9 t\u1ea1m g\u00e1c c\u00e1i \u0111\u00f3 l\u1ea1i \u0111\u1ec3 xem nguy\u00ean t\u1eafc v\u1eadn h\u00e0nh c\u1ee7a m\u00e1y \u0111i\u1ec7n tho\u1ea1i \u0111\u00e3.<\/p>\n\n\n\n
Khi n\u00f3i, thanh \u0111ai trong cu\u1ed1ng h\u1ecdng ta rung l\u00ean. S\u1ef1 rung n\u00e0y truy\u1ec1n v\u00e0o kh\u00f4ng kh\u00ed, nh\u1edd \u0111\u00f3 s\u00f3ng \u00e2m \u0111\u01b0\u1ee3c tho\u00e1t ra kh\u1ecfi mi\u1ec7ng v\u00e0 t\u1eeb mi\u1ec7ng n\u00f3 ti\u1ebfp t\u1ee5c truy\u1ec1n trong kh\u00f4ng kh\u00ed b\u00ean ngo\u00e0i. Nh\u1eefng s\u00f3ng \u00e2m n\u00e0y \u0111\u1eadp l\u00ean m\u1ed9t \u0111\u0129a nh\u00f4m hay l\u00e0 c\u00e1i m\u00e0ng trong \u1ed1ng \u0111i\u1ec7n tho\u1ea1i. V\u00e0 c\u00e1i m\u00e0ng \u1ea5y rung l\u00ean theo nh\u1ecbp s\u00f3ng c\u00e1c h\u1ea1t kh\u00f4ng kh\u00ed \u0111ang b\u1ecb dao \u0111\u1ed9ng.<\/p>\n\n\n\n
V\u00e0 s\u1ef1 dao \u0111\u1ed9ng \u1ea5y truy\u1ec1n qua d\u00f2ng \u0111i\u1ec7n theo d\u00e2y \u0111i\u1ec7n sang \u1ed1ng nghe b\u00ean kia. Ph\u00eda b\u00ean n\u00f3i, d\u00f2ng \u0111i\u1ec7n m\u1ea1nh. Ph\u00eda b\u00ean nghe, d\u00f2ng \u0111i\u1ec7n y\u1ebfu. Do \u0111\u00f3 m\u00e0ng b\u00ean \u1ed1ng nghe rung l\u00ean theo \u0111\u00fang v\u1edbi s\u00f3ng c\u1ee7a \u00e2m theo d\u00f2ng \u0111i\u1ec7n truy\u1ec1n qua. Th\u1ebf l\u00e0 ti\u1ebfng n\u00f3i \u0111\u01b0\u1ee3c \u201ct\u00e1i l\u1eadp\u201d t\u1ea1i \u1ed1ng nghe. V\u00e0 m\u00e0ng rung t\u1ea1i \u1ed1ng nghe truy\u1ec1n s\u1ef1 rung \u0111\u00f3 qua kh\u00f4ng kh\u00ed r\u1ed3i v\u00e0o tai ng\u01b0\u1eddi nghe. \u0111\u00f3, \u0111\u1ea1i kh\u00e1i v\u1eadn h\u00e0nh c\u1ee7a \u0111i\u1ec7n tho\u1ea1i l\u00e0 th\u1ebf.<\/p>\n\n\n\n
B\u00e2y gi\u1edd \u0111\u1ebfn \u0111i\u1ec1u b\u1ea5t ng\u1edd c\u1ee7a v\u1ecb cha \u0111\u1ebb ra m\u00e1y \u0111i\u1ec7n tho\u1ea1i: \u00f4ng Alexander Graham Bell v\u00e0 c\u00e1ch th\u1ee9c \u00f4ng \u0111\u00e3 ph\u00e1t minh ra m\u00e1y \u0111i\u1ec7n tho\u1ea1i.<\/p>\n\n\n\n
Ng\u00e0y 2.6.1875, \u00f4ng \u0111ang th\u1eed nghi\u1ec7m t\u1ea1i Boston c\u00e1i \u00fd t\u01b0\u1edfng l\u00e0m sao truy\u1ec1n \u0111\u01b0\u1ee3c ti\u1ebfng n\u00f3i c\u1ee7a \u00f4ng \u0111\u1ebfn tai ng\u01b0\u1eddi nghe \u1edf xa nghe \u0111\u01b0\u1ee3c ngay l\u00fac \u00f4ng \u0111ang n\u00f3i. \u00d4ng loay hoay v\u1edbi m\u1ed9t c\u00e1i l\u01b0\u1ee1i g\u00e0 l\u00f2 xo b\u1eb1ng th\u00e9p v\u00e0 \u0111ang t\u00ecm c\u00e1ch ch\u1ebf c\u00e1i m\u00e1y ti\u1ebfp \u00e2m trong m\u1ed9t ph\u00f2ng th\u00ec \u1edf ph\u00f2ng b\u00ean, ng\u01b0\u1eddi ph\u1ee5 t\u00e1 c\u1ee7a \u00f4ng t\u00ean l\u00e0 Thomas Watson \u0111\u00e3 cho c\u00e1i m\u00e1y ph\u00e1t \u00e2m ch\u1ea1y.<\/p>\n\n\n\n
Watson g\u1ea3y v\u00e0o c\u00e1i l\u01b0\u1ee1i g\u00e0 b\u1eb1ng th\u00e9p l\u00e0m cho n\u00f3 rung l\u00ean ph\u00e1t ra ti\u1ebfng \u201ct\u01b0ng\u201d. Th\u00ecnh l\u00ecnh Bell nh\u1ea3y b\u1ed5 v\u00e0o ph\u00f2ng, n\u00f3i l\u1edbn v\u1edbi Watson: \u201c\u0111\u1eebng c\u00f3 thay \u0111\u1ed5i g\u00ec h\u1ebft. Anh l\u00e0m c\u00e1i g\u00ec v\u1eady? \u0111\u1ec3 ta coi!\u201d. \u00d4ng th\u1ea5y c\u00e1i l\u01b0\u1ee1i g\u00e0 khi rung ph\u00eda tr\u00ean c\u1ee5c nam ch\u00e2m \u0111\u00e3 t\u1ea1o ra d\u00f2ng \u0111i\u1ec7n l\u00e0m thay \u0111\u1ed5i c\u01b0\u1eddng \u0111\u1ed9 truy\u1ec1n trong d\u00e2y. Ch\u00ednh \u0111i\u1ec1u n\u00e0y \u0111\u00e3 l\u00e0m cho c\u00e1i m\u00e0ng ti\u1ebfp \u00e2m b\u00ean ph\u00f2ng c\u1ee7a Bell c\u0169ng rung v\u00e0 b\u1eadt l\u00ean ti\u1ebfng \u201ct\u01b0ng\u201d.<\/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 L\u1ecbch s\u1eed c\u1ee7a chi\u1ebfc m\u00e1y \u0111i\u1ec7n tho\u1ea1i th\u1eadt l\u00e0 b\u1ea5t ng\u1edd. (V\u00ec v\u1eady m\u00e0 ch\u1eb3ng ai ngh\u0129 \u0111\u1ebfn vi\u1ec7c \u0111\u01b0a c\u00e2u chuy\u1ec7n n\u00e0y l\u00ean m\u00e0n \u1ea3nh!) Nh\u01b0ng h\u00e3y c\u1ee9 t\u1ea1m g\u00e1c c\u00e1i \u0111\u00f3 l\u1ea1i \u0111\u1ec3 xem nguy\u00ean t\u1eafc v\u1eadn […]<\/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-13658","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\/13658","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=13658"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/13658\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=13658"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=13658"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=13658"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}