[ChanhKien.org]<\/b><\/p>\n
I.4 Suy ng\u1eabm v\u1ec1 l\u00f2 ph\u1ea3n \u1ee9ng h\u1ea1t nh\u00e2n t\u1eeb 200 tri\u1ec7u n\u0103m tr\u01b0\u1edbc<\/b><\/p>\n
N\u0103m 1972, c\u00f3 m\u1ed9t nh\u00e0 m\u00e1y t\u1ea1i Ph\u00e1p nh\u1eadp kh\u1ea9u qu\u1eb7ng uranium t\u1eeb v\u00f9ng Oklo thu\u1ed9c n\u01b0\u1edbc c\u1ed9ng h\u00f2a Gabon \u1edf Ch\u00e2u Phi, h\u1ecd kinh ng\u1ea1c khi ph\u00e1t hi\u1ec7n r\u1eb1ng m\u1ecf qu\u1eb7ng uranium n\u00e0y \u0111\u00e3 \u0111\u01b0\u1ee3c con ng\u01b0\u1eddi khai th\u00e1c. V\u00ec h\u00e0m l\u01b0\u1ee3ng trung b\u00ecnh c\u1ee7a uranium trong m\u1ecf n\u00e0y kh\u00e1 th\u1ea5p, t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi ph\u1ebf li\u1ec7u trong c\u00e1c l\u00f2 ph\u1ea3n \u1ee9ng h\u1ea1t nh\u00e2n c\u1ee7a ch\u00fang ta ng\u00e0y nay. Ph\u00e1t hi\u1ec7n n\u00e0y \u0111\u00e3 l\u00e0m ch\u1ea5n \u0111\u1ed9ng to\u00e0n th\u1ebf gi\u1edbi, h\u01a1n n\u1eefa c\u00f2n thu h\u00fat c\u00e1c nh\u00e0 khoa h\u1ecdc c\u1ee7a c\u00e1c n\u01b0\u1edbc tr\u00ean th\u1ebf gi\u1edbi \u0111\u1ebfn Oklo nghi\u00ean c\u1ee9u. K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u cho th\u1ea5y \u0111\u00e2y l\u00e0 m\u1ed9t l\u00f2 ph\u1ea3n \u1ee9ng h\u1ea1t nh\u00e2n c\u1ed5 x\u01b0a, bao g\u1ed3m h\u01a1n 500 t\u1ea5n qu\u1eb7ng uranium \u0111\u00e3 qua s\u1eed d\u1ee5ng t\u1ea1i s\u00e1u khu v\u1ef1c, \u01b0\u1edbc t\u00ednh c\u00f4ng su\u1ea5t \u0111\u1ea1t h\u01a1n 100 kilowatt. L\u00f2 ph\u1ea3n \u1ee9ng h\u1ea1t nh\u00e2n n\u00e0y \u0111\u00e3 \u0111\u01b0\u1ee3c b\u1ea3o t\u1ed3n ho\u00e0n ch\u1ec9nh, k\u1ebft c\u1ea5u h\u1ee3p l\u00fd, n\u00f3 \u0111\u00e3 \u0111\u01b0\u1ee3c v\u1eadn h\u00e0nh trong kho\u1ea3ng 500.000 n\u0103m. \u0110i\u1ec1u c\u00e0ng khi\u1ebfn ng\u01b0\u1eddi ta kinh ng\u1ea1c l\u00e0 l\u00f2 ph\u1ea3n \u1ee9ng h\u1ea1t nh\u00e2n n\u00e0y \u0111\u00e3 s\u1ea3n xu\u1ea5t ra to\u00e0n ph\u1ebf li\u1ec7u, h\u01a1n n\u1eefa kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng ra b\u00ean ngo\u00e0i, m\u00e0 ch\u1ec9 gi\u1edbi h\u1ea1n trong ph\u1ea1m vi khu m\u1ecf. N\u1ebfu x\u00e9t theo k\u1ef9 thu\u1eadt x\u00e2y d\u1ef1ng l\u00f2 ph\u1ea3n \u1ee9ng h\u1ea1t nh\u00e2n ng\u00e0y nay, th\u00ec k\u1ebft c\u1ea5u c\u1ee7a l\u00f2 ph\u1ea3n \u1ee9ng h\u1ea1t nh\u00e2n n\u00e0y ti\u00ean ti\u1ebfn h\u01a1n r\u1ea5t nhi\u1ec1u.<\/p>\n
Qua kh\u1ea3o s\u00e1t \u0111\u1ecba ch\u1ea5t, m\u1ecf kho\u00e1ng Oklo \u0111\u01b0\u1ee3c khai th\u00e1c v\u00e0o kho\u1ea3ng hai t\u1ef7 n\u0103m tr\u01b0\u1edbc, sau k\u1ef7 h\u00f3a th\u1ea1ch kh\u00f4ng l\u00e2u. K\u1ebft qu\u1ea3 c\u1ee7a nh\u1eefng nghi\u00ean c\u1ee9u n\u00e0y khi\u1ebfn r\u1ea5t nhi\u1ec1u nh\u00e0 khoa h\u1ecdc kh\u00f4ng th\u1ec3 kh\u00f4ng nghi\u00eam t\u00fac suy x\u00e9t v\u1ec1 kh\u1ea3 n\u0103ng t\u1ed3n t\u1ea1i c\u1ee7a n\u1ec1n v\u0103n minh ti\u1ec1n s\u1eed, c\u0169ng c\u00f3 ngh\u0129a l\u00e0, l\u00f2 ph\u1ea3n \u1ee9ng h\u1ea1t nh\u00e2n tinh vi n\u00e0y l\u00e0 s\u1ea3n ph\u1ea9m c\u1ee7a n\u1ec1n v\u0103n minh nh\u00e2n lo\u1ea1i th\u1eddi k\u1ef3 tr\u01b0\u1edbc.<\/p>\n
Ta \u0111\u1ec1u bi\u1ebft k\u1ef9 thu\u1eadt nguy\u00ean t\u1eed m\u00e0 nh\u00e2n lo\u1ea1i hi\u1ec7n nay nghi\u00ean c\u1ee9u ph\u00e1t tri\u1ec3n \u0111\u01b0\u1ee3c m\u1edbi ch\u1ec9 c\u00f3 m\u1ea5y ch\u1ee5c n\u0103m, ph\u00e1t hi\u1ec7n n\u00e0y \u0111\u00e3 n\u00f3i l\u00ean r\u1eb1ng, v\u00e0o hai t\u1ef7 n\u0103m tr\u01b0\u1edbc, r\u1ea5t c\u00f3 th\u1ec3 \u0111\u00e3 t\u1ed3n t\u1ea1i m\u1ed9t n\u1ec1n v\u0103n minh v\u01b0\u1ee3t xa so v\u1edbi k\u1ef9 thu\u1eadt hi\u1ec7n nay, h\u01a1n n\u1eefa k\u1ef9 thu\u1eadt ph\u1ea3n \u1ee9ng h\u1ea1t nh\u00e2n c\u1ef1c k\u1ef3 ti\u1ebfn b\u1ed9. Th\u1ebf nh\u01b0ng, \u0111i\u1ec1u khi\u1ebfn ng\u01b0\u1eddi ta lo l\u1eafng l\u00e0, n\u1ebfu th\u00e0nh l\u1eadp gi\u1ea3 thuy\u1ebft n\u00e0y th\u00ec t\u1ea1i sao m\u1ed9t n\u1ec1n v\u0103n minh v\u1edbi k\u1ef9 thu\u1eadt khoa h\u1ecdc ti\u00ean ti\u1ebfn \u0111\u1ebfn th\u1ebf l\u1ea1i kh\u00f4ng th\u1ec3 b\u1ea3o t\u1ed3n nh\u1eefng k\u1ef9 thu\u1eadt n\u00e0y, ng\u01b0\u1ee3c l\u1ea1i c\u00f2n b\u1ecb bi\u1ebfn m\u1ea5t, ch\u1ec9 c\u00f2n l\u1ea1i m\u1ed9t \u0111\u1ed1ng hoang t\u00e0n? Ch\u00fang ta n\u00ean \u0111\u1ed1i \u0111\u00e3i v\u1edbi ph\u00e1t hi\u1ec7n n\u00e0y nh\u01b0 th\u1ebf n\u00e0o? Hai t\u1ef7 n\u0103m tr\u01b0\u1edbc cho \u0111\u1ebfn th\u1eddi \u0111i\u1ec3m b\u1eaft \u0111\u1ea7u n\u1ec1n v\u0103n minh l\u1ea7n n\u00e0y c\u1ee7a ch\u00fang ta – th\u1eddi k\u1ef3 \u0111\u1ed3 \u0111\u00e1, li\u1ec7u trong kho\u1ea3ng th\u1eddi gian \u1ea5y \u0111\u00e3 c\u00f3 nh\u1eefng chuy\u1ec7n g\u00ec x\u1ea3y ra?<\/p>\n
N\u1ebfu b\u1ecf qua nh\u1eefng di t\u00edch v\u0103n minh ti\u1ec1n s\u1eed n\u00e0y, ch\u00fang ta t\u1ef1 nhi\u00ean s\u1ebd kh\u00f4ng c\u1ea7n \u0111i s\u00e2u nghi\u00ean c\u1ee9u th\u00eam, v\u00e0 s\u1ebd kh\u00f4ng c\u00e1ch n\u00e0o bi\u1ebft \u0111\u01b0\u1ee3c nh\u1eefng n\u1ec1n v\u0103n minh n\u00e0y v\u00ec sao kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c k\u00e9o d\u00e0i ti\u1ebfp, c\u0169ng s\u1ebd kh\u00f4ng th\u1ec3 bi\u1ebft \u0111\u01b0\u1ee3c nguy\u00ean nh\u00e2n v\u00ec sao h\u1ecd di\u1ec7t vong. H\u01a1n n\u1eefa, con \u0111\u01b0\u1eddng ph\u00e1t tri\u1ec3n c\u1ee7a n\u1ec1n khoa h\u1ecdc hi\u1ec7n t\u1ea1i c\u1ee7a ch\u00fang ta c\u00f3 ph\u1ea3i \u0111ang t\u00e1i hi\u1ec7n l\u1ea1i con \u0111\u01b0\u1eddng c\u1ee7a th\u1eddi k\u1ef3 v\u0103n minh l\u1ea7n tr\u01b0\u1edbc ch\u0103ng? Con \u0111\u01b0\u1eddng n\u00e0y li\u1ec7u c\u00f3 ch\u00ednh x\u00e1c ch\u0103ng? \u0110\u00e2y \u0111\u1ec1u l\u00e0 nh\u1eefng v\u1ea5n \u0111\u1ec1 \u0111\u00e1ng \u0111\u1ec3 suy ngh\u0129 s\u00e2u th\u00eam.<\/p>\n