\u0110\u1ecdc k\u1ef9 \u0111o\u1ea1n n\u00e0y th\u1ea5y t\u00e1c gi\u1ea3 c\u00f3 xu h\u01b0\u1edbng t\u1ef1 suy di\u1ec5n, d\u1ea7n d\u1ea7n c\u00f3 th\u1ec3 gi\u1ea3ng gi\u1ea3i “nghe h\u1ee3p l\u00fd” m\u00e0 sai ki\u1ebfn th\u1ee9c khoa h\u1ecdc. (h\u1ea1t s\u1ea1n n\u00e0y kh\u00f4ng ph\u1ee7 nh\u1eadn h\u1ebft c\u1ea3 quy\u1ec3n s\u00e1ch, ch\u1eafc c\u00f3 nhi\u1ec1u suy di\u1ec5n l\u00e0 \u0111\u00fang v\u00e0 \u0111\u00e1ng l\u01b0u \u00fd. V\u00ed d\u1ee5 n\u00e0y ch\u1ec9 b\u1ed9c l\u1ed9 l\u00e0 ng\u01b0\u1eddi vi\u1ebft s\u00e1ch kh\u00f4ng tri\u1ec7t \u0111\u1ec3 ki\u1ec3m tra tri th\u1ee9c khoa h\u1ecdc.):<\/p>\n
V\u1ea5n \u0111\u1ec1 n\u00e0y tr\u1edf n\u00ean t\u1ed3i t\u1ec7 h\u01a1n khi m\u1ef1c n\u01b0\u1edbc ng\u1ea7m d\u00e2ng l\u00ean do vi\u1ec7c t\u01b0\u1edbi n\u01b0\u1edbc “m\u00e0 n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c r\u00fat \u0111i m\u1ed9t c\u00e1ch t\u1ef1 nhi\u00ean hay nh\u00e2n t\u1ea1o, s\u1ebd ch\u1ea3y d\u1ed3n v\u00e0o c\u00e1c v\u00f9ng tr\u0169ng.” S\u1ebd c\u1ea7n nhi\u1ec1u n\u0103m \u2014 th\u1eadm ch\u00ed nhi\u1ec1u th\u1ebf h\u1ec7 \u2014 nh\u01b0ng cu\u1ed1i c\u00f9ng m\u1ef1c n\u01b0\u1edbc ng\u1ea7m s\u1ebd d\u00e2ng l\u00ean g\u1ea7n \u0111\u1ebfn b\u1ec1 m\u1eb7t v\u00e0 b\u1ecb bay h\u01a1i \u0111i. Gi\u1edd \u0111\u00e2y, khi n\u01b0\u1edbi ng\u1ea7m bay h\u01a1i t\u1eeb b\u1ec1 m\u1eb7t \u0111\u1ea5t, n\u00f3 k\u00e9o th\u00eam n\u01b0\u1edbc t\u1eeb s\u00e2u d\u01b0\u1edbi m\u1eb7t \u0111\u1ea5t l\u00ean \u0111\u1ec3 ti\u1ebfp t\u1ee5c bay h\u01a1i. V\u00e0 t\u1ea5t c\u1ea3 nh\u1eefng ho\u1ea1t \u0111\u1ed9ng bay h\u01a1i \u0111\u00f3 c\u0169ng \u0111\u1ec3 l\u1ea1i l\u01b0\u1ee3ng mu\u1ed1i h\u00f2a tan trong n\u01b0\u1edbc. H\u00e3y h\u00ecnh dung m\u1ed9t ng\u00e0y n\u1eafng n\u00f3ng, khi m\u00e0 l\u00e0n da c\u1ee7a b\u1ea1n tr\u1edf n\u00ean h\u01a1i dinh d\u00ednh do mu\u1ed1i t\u1eeb m\u1ed3 h\u00f4i bay h\u01a1i kh\u1ecfi da. N\u00f3 l\u00e0 c\u00f9ng m\u1ed9t qu\u00e1 tr\u00ecnh. Nh\u1eefng ng\u01b0\u1eddi n\u00f4ng d\u00e2n tuy\u1ec7t v\u1ecdng trong l\u1ecbch s\u1eed h\u00e0ng ng\u00e0n n\u0103m \u0111\u00e3 c\u1ed1 g\u1eafng c\u1ee9u m\u1ea3nh \u0111\u1ea5t c\u1ee7a h\u1ecd b\u1eb1ng c\u00e1ch t\u01b0\u1edbi nhi\u1ec1u h\u01a1n \u0111\u1ec3 r\u1eeda tr\u00f4i mu\u1ed1i \u0111i, nh\u01b0ng \u0111i\u1ec1u \u0111\u00f3 ch\u1ec9 l\u00e0m m\u1ef1c n\u01b0\u1edbc ng\u1ea7m d\u00e2ng l\u00ean cao h\u01a1n. <\/span><\/p><\/blockquote>\n