Th\u1eddi c\u1ed5 \u0111\u1ea1i, tr\u01b0\u1edbc khi ph\u00e1t hi\u1ec7n ra gi\u1ea5y v\u00e0 ngh\u1ec1 in, t\u1ed5 ti\u00ean ch\u00fang ta \u0111\u00e3 ph\u1ea3i d\u00f9ng nh\u1eefng thanh tre, thanh g\u1ed7 \u0111\u1ec3 ghi ch\u00e9p l\u1ea1i v\u00e0 truy\u1ec1n b\u00e1 v\u0103n ho\u00e1 tri th\u1ee9c cho m\u1ecdi ng\u01b0\u1eddi.<\/p>\n\n\n\n
V\u00e0o th\u1eddi T\u00e2y H\u00e1n, Trung Qu\u1ed1c \u0111\u00e3 b\u1eaft \u0111\u1ea9u ph\u00e1t minh ra gi\u1ea5y. V\u00ec ph\u01b0\u01a1ng ph\u00e1p s\u1ea3n xu\u1ea5t c\u00f2n th\u00f4s\u01a1, gi\u1ea5y h\u1ed3i \u0111\u00f3 v\u1eabn ch\u01b0a \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 vi\u1ebft s\u00e1ch.<\/p>\n\n\n\n
\u0110\u1ebfn th\u1eddi \u0110\u00f4ng H\u00e1n, nh\u00e0 ph\u00e1t minh S\u00e1i Lu\u00e2n, tr\u00ean c\u01a1 s\u1edf c\u1ee7a gi\u1ea5y T\u00e2y H\u00e1n, v\u00e0o n\u0103m 105, \u0111\u00e3 c\u1ea3i ti\u1ebfn ngh\u1ec1 l\u00e0m gi\u1ea5y. \u00d4ng d\u00f9ng v\u1ecf c\u00e2y, d\u00e2y \u0111ay, v\u1ea3i r\u00e1ch\u2026 \u0111\u1ec3 l\u00e0m nguy\u00ean li\u1ec7u s\u1ea3n xu\u1ea5t gi\u1ea5y. Lo\u1ea1i gi\u1ea5y n\u00e0y trong c\u00e1c s\u00e1ch c\u1ed5 g\u1ecdi l\u00e0 \u201cGi\u1ea5y S\u00e0i h\u1ea9u\u201d.<\/p>\n\n\n\n
Sau khi gi\u1ea5y \u0111\u01b0\u1ee3c ph\u00e1t minh v\u00e0 s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i, d\u1ea9n d\u1ea9n thay th\u1ebf cho c\u00e1c thanh tre, thanh g\u1ed7 v\u00e0 c\u00e1c t\u1ea5m v\u1ea3i \u0111\u1ec3 d\u00f9ng vi\u1ebft s\u00e1ch. Nh\u01b0ng th\u1eddi \u0111\u00f3, v\u1eabn ch\u01b0a ph\u00e1t minh ra ngh\u1ec1 in. M\u1ed9t cu\u1ed1n s\u00e1ch mu\u1ed1n tr\u1edf th\u00e0nh nhi\u1ec1u cu\u1ed1n kh\u00e1c ph\u1ea3i t\u1ed1n r\u1ea5t nhi\u1ec1u c\u00f4ng s\u1ee9c, th\u1eddi gian, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn vi\u1ec7c ph\u1ed5 c\u1eadp v\u00e0 truy\u1ec1n b\u00e1 v\u0103n ho\u00e1. T\u1ed5 ti\u00ean ta \u0111\u00e3 t\u00edch c\u1ef1c t\u00ecm c\u00e1ch, m\u00e0y m\u00f2 s\u00e1ng t\u1ea1o, cu\u1ed1i c\u00f9ng \u0111\u00e3 ho\u00e0n th\u00e0nh c\u00f4ng tr\u00ecnh truy\u1ec1n b\u00e1 v\u0103n ho\u00e1 -ngh\u1ec1 in \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00e1t minh.<\/p>\n\n\n\n
Kh\u1edfi ngu\u1ed3n c\u1ee7a ngh\u1ec1 in, tr\u01b0\u1edbc h\u1ebft ph\u1ea3i n\u00f3i \u0111\u1ebfn l\u00e0 c\u00e1c con d\u1ea5u v\u00e0 bia kh\u1eafc. Con d\u1ea5u l\u00e0 c\u00e1c h\u00ecnh v\u00e0 ch\u1eef kh\u1eafc tr\u00ean ng\u1ecdc, g\u1ed7 ho\u1eb7c \u0111\u00e1. Ch\u00fang xu\u1ea5t hi\u1ec7n s\u1edbm nh\u1ea5t v\u00e0o th\u1eddi Xu\u00e2n thu Chi\u1ebfn qu\u1ed1c. Theo \u201cS\u1eed K\u00fd\u201d, sau khi T\u1ea9n Thu\u1ef7 Ho\u00e0ng th\u1ed1ng nh\u1ea5t Trung Qu\u1ed1c, mu\u1ed1n chi\u1ebfn c\u00f4ng c\u1ee7a m\u00ecnh \u0111\u01b0\u1ee3c l\u01b0u l\u1ea1i mu\u00f4n \u0111\u1eddi, \u00f4ng \u0111\u00e3 cho kh\u1eafc v\u00e0o bia \u0111\u00e1 \u1edf nhi\u1ec1u n\u01a1i.<\/p>\n\n\n\n
N\u0103m 175, theo \u0111\u1ec1 ngh\u1ecb c\u1ee7a nh\u00e0 h\u1ecdc gi\u1ea3<\/a> S\u00e1i Ung, Ho\u00e0ng \u0111\u1ebf \u0111\u00e3 sai kh\u1eafc \u201cNg\u0169 kinh\u201d c\u1ee7a \u0111\u1ea1o Nho v\u00e0o bia \u0111\u00e1, \u0111\u1ec3 c\u00e1c h\u1ecdc sinh<\/a> vi\u1ebft theo. Hai tr\u0103m n\u0103m sau, c\u00f3 ng\u01b0\u1eddi \u0111\u00e3 ph\u00e1t minh ra ph\u01b0\u01a1ng ph\u00e1p \u201cv\u1ed7\u201d v\u00e0o bia \u0111\u00e1, t\u1ea1o ra \u1ea5n ph\u1ea9m \u0111\u1ea9u ti\u00ean tr\u00ean th\u1ebf gi\u1edbi.<\/p>\n\n\n\n Vi\u1ec7c s\u1eed d\u1ee5ng con d\u1ea5u v\u00e0 \u0111\u00e1 kh\u1eafc l\u00e2u d\u00e0i \u0111\u00e3 t\u1ea1o \u0111i\u1ec1u ki\u1ec7n cho ngh\u1ec1 in ra \u0111\u1eddi. T\u1ed5 ti\u00ean ta khi s\u1eed d\u1ee5ng con d\u1ea5u, v\u1eabn ph\u1ea3i b\u00f4i l\u00ean m\u1eb7t con d\u1ea5u m\u1ed9t l\u1edbp b\u00f9n in m\u1ecfng, g\u1ecdi l\u00e0 \u201cphong n\u00ea\u201d (ph\u1ee7 b\u00f9n). T\u1eeb s\u1ef1 g\u1ee3i \u00fd c\u1ee7a con d\u1ea5u, ng\u01b0\u1eddi ta kh\u1eafc nh\u1eefng trang s\u00e1ch l\u00ean t\u1ea5m g\u1ed7 gi\u1ed1ng nh\u01b0 kh\u1eafc nh\u1eefng con d\u1ea5u, r\u1ed3i \u0111em in. B\u1ea3n in c\u1ed5 nh\u1ea5t theo c\u00e1ch n\u00e0y c\u00f2n l\u01b0u l\u1ea1i \u0111\u1ebfn b\u00e2y gi\u1edd l\u00e0 cu\u1ed1n \u201cKinh Kim C\u01b0\u01a1ng\u201d v\u00e0o n\u0103m H\u00e0m Th\u00f4ng th\u1ee9 9 \u0111\u1eddi nh\u00e0 \u0110\u01b0\u1eddng, t\u1ee9c n\u0103m 868.<\/p>\n\n\n\n Ph\u00e1t minh in b\u1eb1ng b\u1ea3n kh\u1eafc \u0111\u00e3 \u0111\u01b0a ngh\u1ec1 in ti\u1ebfn b\u1ed9 th\u00eam m\u1ed9t b\u01b0\u1edbc l\u1edbn, nh\u01b0ng vi\u1ec7c in m\u1ed9t cu\u1ed1n s\u00e1ch v\u1eabn m\u1ea5t qu\u00e1 nhi\u1ec1u th\u1eddi gian, v\u00e0 c\u1ea9n ph\u1ea3i c\u1ea3i ti\u1ebfn. Tr\u1ea3i qua r\u1ea5t nhi\u1ec1u c\u1ed1 g\u1eafng c\u1ee7a nhi\u1ec1u ng\u01b0\u1eddi, \u0111\u1ebfn \u0111\u1eddi T\u1ed1ng, T\u1ea5t Th\u0103ng \u0111\u00e3 ph\u00e1t minh ra l\u1ed1i in ch\u1eef r\u1eddi. \u00d4ng \u0111\u00e3 l\u1ea5y keo \u0111\u1ea5t l\u00e0m th\u00e0nh c\u00e1c ph\u00f4i theo c\u00f9ng m\u1ed9t quy c\u00e1ch. M\u1ed7i \u0111\u1ea9u kh\u1eafc ch\u1eef ng\u01b0\u1ee3c, b\u1ecf v\u00e0o l\u00f2 nung cho c\u1ee9ng l\u1ea1i, th\u1ebf l\u00e0 th\u00e0nh c\u00e1c ch\u1eef r\u1eddi (b\u1eb1ng s\u1ee9). Ch\u1eef r\u1eddi \u0111\u01b0\u1ee3c x\u1ebfp th\u00e0nh b\u1ea3ng, d\u00f9ng m\u1ed9t khung v\u00e1n b\u1eb1ng s\u1eaft, tr\u01b0\u1edbc h\u1ebft qu\u00e9t l\u00ean v\u00e1n s\u1eaft m\u1ed9t l\u1edbp s\u00e1p v\u00e0 nh\u1ef1a th\u00f4ng, sau \u0111\u00f3 nh\u1eb7t m\u1ed9t ch\u1eef r\u1eddi x\u1ebfp v\u00e0o trong khung. X\u1ebfp \u0111\u1ea9y m\u1ed9t khung l\u00e0m th\u00e0nh m\u1ed9t b\u1ea3n. Sau \u0111\u00f3 h\u01a1 l\u00ean l\u1eeda, s\u00e1p v\u00e0 nh\u1ef1a th\u00f4ng s\u1ebd ch\u1ea3y ra, ng\u01b0\u1eddi ta l\u1ea1i l\u1ea5y m\u1eb7t v\u00e1n ph\u1eb3ng \u00e9p l\u00ean, s\u00e1p v\u00e0 nh\u1ef1a th\u00f4ng \u0111\u00f4ng c\u1ee9ng l\u1ea1i, ch\u1eef r\u1eddi s\u1ebd b\u00e1m ch\u1eb7t v\u00e0o v\u00e1n s\u1eaft, l\u00fac n\u00e0y ch\u00fang ta c\u00f3 th\u1ec3 qu\u00e9t m\u1ef1c \u0111\u1eb7t gi\u1ea5y, l\u0103n \u00e9p \u0111\u1ec3 in. Ph\u00e1t minh n\u00e0y sau \u0111\u00f3 \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1ea3i ti\u1ebfn l\u00ean v\u1edbi c\u00e1c ch\u1eef r\u1eddi b\u1eb1ng \u0111\u1ed3ng, b\u1eb1ng ch\u00ec.<\/p>\n\n\n\n Ngh\u1ec1 in c\u1ee7a Trung Qu\u1ed1c ph\u00e1t minh \u0111\u00e3 g\u00f3p ph\u1ea9n \u0111\u1ea9y m\u1ea1nh s\u1ef1 ph\u00e1t tri\u1ec3n v\u0103n ho\u00e1 tr\u00ean to\u00e0n th\u1ebf gi\u1edbi. Ng\u00e0y nay, ngh\u1ec1 in c\u00e0ng ho\u00e0n thi\u1ec7n c\u00f9ng v\u1edbi tr\u00ecnh \u0111\u1ed9 khoa h\u1ecdc hi\u1ec7n \u0111\u1ea1i.<\/p>\n","protected":false},"excerpt":{"rendered":" Th\u1eddi c\u1ed5 \u0111\u1ea1i, tr\u01b0\u1edbc khi ph\u00e1t hi\u1ec7n ra gi\u1ea5y v\u00e0 ngh\u1ec1 in, t\u1ed5 ti\u00ean ch\u00fang ta \u0111\u00e3 ph\u1ea3i d\u00f9ng nh\u1eefng thanh tre, thanh g\u1ed7 \u0111\u1ec3 ghi ch\u00e9p l\u1ea1i v\u00e0 truy\u1ec1n b\u00e1 v\u0103n ho\u00e1 tri th\u1ee9c cho m\u1ecdi ng\u01b0\u1eddi. V\u00e0o th\u1eddi T\u00e2y H\u00e1n, Trung Qu\u1ed1c \u0111\u00e3 b\u1eaft \u0111\u1ea9u ph\u00e1t minh ra gi\u1ea5y. V\u00ec ph\u01b0\u01a1ng ph\u00e1p s\u1ea3n […]<\/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":[1,15],"tags":[],"class_list":["post-10535","post","type-post","status-publish","format-standard","hentry","category-general","category-hoi-dap-khoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/10535","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=10535"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/10535\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=10535"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=10535"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=10535"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}