{"id":7084,"date":"2015-07-22T21:31:29","date_gmt":"2015-07-22T21:31:29","guid":{"rendered":"http:\/\/tydaikho.com\/khoa-hoc-thuong-thuc\/chuyen-luan-hoi\/co-kiep-sau-hay-khong-nhung-thi-nghiem-ky-la-nhat-trong-lich-su\/"},"modified":"2015-07-22T21:31:29","modified_gmt":"2015-07-22T21:31:29","slug":"co-kiep-sau-hay-khong-nhung-thi-nghiem-ky-la-nhat-trong-lich-su","status":"publish","type":"post","link":"https:\/\/demo.vnno1.net\/index.php\/2015\/07\/22\/co-kiep-sau-hay-khong-nhung-thi-nghiem-ky-la-nhat-trong-lich-su\/","title":{"rendered":"C\u00f3 ki\u1ebfp sau hay kh\u00f4ng? Nh\u1eefng th\u00ed nghi\u1ec7m k\u1ef3 l\u1ea1 nh\u1ea5t trong l\u1ecbch s\u1eed"},"content":{"rendered":"
\n
<\/div>\n

T\u1eeb r\u1ea5t l\u00e2u nh\u00e2n lo\u1ea1i \u0111\u00e3 tr\u0103n tr\u1edf v\u1edbi c\u00e2u h\u1ecfi n\u00e0y. \u0110\u1ed1i v\u1edbi m\u1ed9t s\u1ed1 ng\u01b0\u1eddi, t\u00f4n gi\u00e1o \u0111\u00e3 cung c\u1ea5p cho h\u1ecd l\u1eddi gi\u1ea3i \u0111\u00e1p. Trong khi \u0111\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi kh\u00e1c, h\u1ecd v\u1eabn ti\u1ebfp t\u1ee5c t\u00ecm ki\u1ebfm v\u00e0 th\u01b0\u1eddng hay s\u1eed d\u1ee5ng nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p k\u1ef3 l\u1ea1 \u0111\u1ec3 ki\u1ec3m \u0111\u1ecbnh xem li\u1ec7u c\u00e1i ch\u1ebft c\u00f3 ph\u1ea3i l\u00e0 k\u1ebft th\u00fac hay kh\u00f4ng.<\/p>\n

\"\"<\/p>\n

D\u01b0\u1edbi \u0111\u00e2y ch\u00fang ta c\u00f9ng \u0111i\u1ec3m qua m\u1ed9t s\u1ed1\u00a0th\u00ed nghi\u1ec7m h\u1ea5p d\u1eabn v\u00e0 k\u1ef3 qu\u00e1i nh\u1ea5t m\u00e0 con ng\u01b0\u1eddi t\u1eebng ti\u1ebfn h\u00e0nh \u0111\u1ec3 c\u00f4ng nh\u1eadn ho\u1eb7c ph\u1ee7 nh\u1eadn \u1ea9n \u0111\u1ed1 n\u00e0y:<\/p>\n

Th\u00ed nghi\u1ec7m 21 grams<\/strong><\/p>\n

\"thi<\/p>\n

B\u1ea1n c\u00f3 th\u1ec3 c\u1ea3m th\u1ea5y kh\u00e1 quen thu\u1ed9c khi nghe \u0111\u1ebfn th\u00ed nghi\u1ec7m n\u00e0y. Tr\u00ean th\u1ef1c t\u1ebf \u0111\u00e2y l\u00e0 m\u1ed9t gi\u1ea3 thuy\u1ebft kh\u00e1 th\u00fa v\u1ecb, m\u1eb7c d\u00f9 c\u00f3 sai s\u00f3t. N\u0103m 1901, ti\u1ebfn s\u0129 Duncan MacDougall, m\u1ed9t nh\u00e0 v\u1eadt l\u00fd \u1edf Massachusetts, M\u1ef9 \u0111\u00e3 ti\u1ebfn h\u00e0nh m\u1ed9t lo\u1ea1t c\u00e1c th\u00ed nghi\u1ec7m \u0111\u1ec3 ch\u1ee9ng minh r\u1eb1ng linh h\u1ed3n con ng\u01b0\u1eddi c\u00f3 tr\u1ecdng l\u01b0\u1ee3ng, hi\u1ec3u theo ngh\u0129a m\u1ed9t \u0111\u01a1n v\u1ecb v\u1eadt l\u00fd x\u00e1c th\u1ef1c.<\/p>\n

MacDougall mu\u1ed1n \u0111o \u0111\u1ea1c xem li\u1ec7u c\u00f3 b\u1ea5t k\u1ef3 thay \u0111\u1ed5i \u0111\u00e1ng k\u1ec3 n\u00e0o trong kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a b\u1ec7nh nh\u00e2n v\u00e0o th\u1eddi kh\u1eafc cu\u1ed1i \u0111\u1eddi c\u1ee7a h\u1ecd hay kh\u00f4ng. \u1ed8ng \u0111\u00e3 \u0111\u1eb7t s\u00e1u b\u1ec7nh nh\u00e2n m\u1eafc ch\u1ee9ng lao giai \u0111o\u1ea1n cu\u1ed1i tr\u00ean m\u1ed9t chi\u1ebfc c\u00e2n c\u00f4ng nghi\u1ec7p c\u00f3 kh\u1ea3 n\u0103ng \u0111o \u0111\u1ea1c ch\u00ednh x\u00e1c \u0111\u1ebfn 2\/10 c\u1ee7a m\u1ed9t ounce (1 ounce = 28 gram).<\/p>\n

Theo l\u1eddi k\u1ec3 c\u1ee7a TS MacDougall, c\u1ea3 s\u00e1u b\u1ec7nh nh\u00e2n \u0111\u00e3 m\u1ea5t \u00be ounce hay kho\u1ea3ng 21 gram sau khi tr\u00fat h\u01a1i th\u1edf cu\u1ed1i c\u00f9ng. T\u01b0\u01a1ng t\u1ef1, \u00f4ng ti\u1ebfn h\u00e0nh th\u00ed nghi\u1ec7m tr\u00ean 15 con ch\u00f3 nh\u01b0ng kh\u00f4ng ph\u00e1t hi\u1ec7n th\u1ea5y thay \u0111\u1ed5i v\u1ec1 kh\u1ed1i l\u01b0\u1ee3ng. T\u1eeb \u0111\u00f3 \u00f4ng k\u1ebft lu\u1eadn r\u1eb1ng s\u1ef1 ch\u00eanh l\u1ec7ch kh\u1ed1i l\u01b0\u1ee3ng \u1edf \u0111\u00e2y ch\u00ednh l\u00e0 kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a linh h\u1ed3n con ng\u01b0\u1eddi.<\/p>\n

M\u1eb7c d\u00f9 nghe c\u00f3 v\u1ebb logic, nh\u01b0ng th\u00ed nghi\u1ec7m n\u00e0y l\u1ea1i kh\u00f4ng c\u00f3 c\u0103n c\u1ee9 khoa h\u1ecdc v\u00e0 tr\u00ean th\u1ef1c t\u1ebf TS MacDougall \u0111\u00e3 tuy\u1ec3n ch\u1ecdn khi c\u00f4ng b\u1ed1 c\u00e1c k\u1ebft qu\u1ea3 th\u00ed nghi\u1ec7m c\u1ee7a m\u00ecnh. Th\u1ef1c ra, ch\u1ec9 m\u1ed9t trong s\u1ed1 c\u00e1c b\u1ec7nh nh\u00e2n c\u1ee7a \u00f4ng b\u1ecb m\u1ea5t 21 gram sau khi ch\u1ebft v\u00e0 c\u00f3 m\u1ed9t c\u00e1ch gi\u1ea3i th\u00edch h\u1ee3p l\u00fd cho hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y: sau khi ch\u1ebft, hai l\u00e1 ph\u1ed5i kh\u00f4ng c\u00f2n th\u1ef1c hi\u1ec7n ch\u1ee9c n\u0103ng l\u00e0m ngu\u1ed9i m\u00e1u n\u00ean c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n t\u00ecnh tr\u1ea1ng to\u00e1t m\u1ed3 h\u00f4i. L\u01b0\u1ee3ng n\u01b0\u1edbc m\u1ea5t \u0111i trong qu\u00e1 tr\u00ecnh to\u00e1t m\u1ed3 h\u00f4i sau khi ch\u1ebft c\u00f3 th\u1ec3 l\u00ean \u0111\u1ebfn 21 gram. C\u00f2n v\u1ec1 tr\u01b0\u1eddng h\u1ee3p c\u1ee7a nh\u1eefng ch\u00fa ch\u00f3 t\u1ed9i nghi\u1ec7p, ch\u00fang s\u1ebd kh\u00f4ng th\u1ec3 m\u1ea5t n\u01b0\u1edbc v\u00ec ch\u00fang kh\u00f4ng c\u00f3 tuy\u1ebfn m\u1ed3 h\u00f4i.<\/p>\n

Hi\u1ec7n t\u01b0\u1ee3ng gi\u1ecdng n\u00f3i \u0111i\u1ec7n t\u1eed<\/strong><\/p>\n

\"Ghost-evp-300x168\"<\/p>\n

EVP<\/em> (Electronic Voice Phenomena \u2013 hi\u1ec7n t\u01b0\u1ee3ng gi\u1ecdng n\u00f3i \u0111i\u1ec7n t\u1eed) l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng xu\u1ea5t hi\u1ec7n c\u00e1c \u00e2m thanh k\u1ef3 l\u1ea1 trong c\u00e1c cu\u1ed9n b\u0103ng th\u00e2u \u00e2m \u0111i\u1ec7n t\u1eed. Nh\u1eefng ai c\u00f3 thi\u00ean h\u01b0\u1edbng t\u00e2m linh tin r\u1eb1ng nh\u1eefng \u00e2m thanh n\u00e0y ch\u00ednh l\u00e0 gi\u1ecdng n\u00f3i c\u1ee7a ng\u01b0\u1eddi \u0111\u00e3 khu\u1ea5t. \u00c2m thanh d\u1ea1ng n\u00e0y th\u01b0\u1eddng kh\u00f4ng c\u00f3 trong qu\u00e1 tr\u00ecnh thu \u00e2m, nh\u01b0ng l\u1ea1i xu\u1ea5t hi\u1ec7n trong qu\u00e1 tr\u00ecnh tua l\u1ea1i.<\/p>\n

Ng\u01b0\u1eddi \u0111\u00e0n \u00f4ng \u0111\u1ea7u ti\u00ean \u0111\u00e3 th\u1eed ti\u1ebfp x\u00fac v\u1edbi th\u1ebf gi\u1edbi linh h\u1ed3n l\u00e0 nhi\u1ebfp \u1ea3nh gia ng\u01b0\u1eddi M\u1ef9 Atilla von Szalay. Nh\u1eefng th\u00ed nghi\u1ec7m \u0111\u1ea7u ti\u00ean c\u1ee7a \u00f4ng \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh v\u00e0o n\u0103m 1941 v\u1edbi \u0111\u0129a h\u00e1t 78 rpm. Nh\u01b0ng \u00f4ng \u0111\u00e3 kh\u00f4ng g\u1eb7p may m\u1eafn v\u1edbi ch\u00fang. Szalay g\u1eb7t h\u00e1i \u0111\u01b0\u1ee3c \u2018th\u00e0nh c\u00f4ng\u2019 \u0111\u1ea7u ti\u00ean v\u00e0o n\u0103m 1956, khi \u00f4ng b\u1eaft \u0111\u1ea7u s\u1eed d\u1ee5ng m\u00e1y th\u00e2u b\u0103ng. M\u1ed9t s\u1ed1 th\u00f4ng \u0111i\u1ec7p \u00f4ng ghi nh\u1eadn \u0111\u01b0\u1ee3c l\u00e0 \u201cHotdog, Art!\u201d, \u201cThis is G!<\/em>\u201d (\u0110\u00e2y l\u00e0 G!) v\u00e0 \u201cMerry Christmas and Happy New Year to you all!\u201d (Gi\u00e1ng sinh vui v\u1ebb v\u00e0 Ch\u00fac m\u1eebng n\u0103m m\u1edbi t\u1ea5t c\u1ea3 m\u1ecdi ng\u01b0\u1eddi!).<\/em><\/p>\n

\"\"
\n
\u0110\u0129a h\u00e1t 78 rpm<\/em><\/p>\n

\"\"
\n
M\u00e1y th\u00e2u b\u0103ng<\/em><\/p>\n

Trong nhi\u1ec1u n\u0103m qua, r\u1ea5t nhi\u1ec1u ng\u01b0\u1eddi \u0111\u00e3 th\u1eed li\u00ean l\u1ea1c v\u1edbi ng\u01b0\u1eddi ch\u1ebft th\u00f4ng qua bi\u1ec7n ph\u00e1p EVP v\u00e0 m\u1ed9t s\u1ed1 ng\u01b0\u1eddi th\u1eadm ch\u00ed c\u00f2n tuy\u00ean b\u1ed1 ch\u1ebf t\u1ea1o \u0111\u01b0\u1ee3c nh\u1eefng thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ri\u00eang cho m\u1ee5c \u0111\u00edch n\u00e0y. Hai trong s\u1ed1 nh\u1eefng thi\u1ebft b\u1ecb n\u1ed5i ti\u1ebfng nh\u1ea5t l\u00e0Spiricom<\/em> c\u1ee7a O\u2019Neil v\u00e0 Ghost Bo<\/em>x c\u1ee7a Frank Sumption.<\/p>\n

\"h_07_meek_spiri_045_pic\"
\n
Spiricom c\u1ee7a William O\u2019neil<\/em><\/p>\n

\"\"Chi\u1ebfc h\u1ed9p ma Ghost Box c\u1ee7a Frank Sumption<\/em><\/p>\n<\/div>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"

T\u1eeb r\u1ea5t l\u00e2u nh\u00e2n lo\u1ea1i \u0111\u00e3 tr\u0103n tr\u1edf v\u1edbi c\u00e2u h\u1ecfi n\u00e0y. \u0110\u1ed1i v\u1edbi m\u1ed9t s\u1ed1 ng\u01b0\u1eddi, t\u00f4n gi\u00e1o \u0111\u00e3 cung c\u1ea5p cho h\u1ecd l\u1eddi gi\u1ea3i \u0111\u00e1p. Trong khi \u0111\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi kh\u00e1c, h\u1ecd v\u1eabn ti\u1ebfp t\u1ee5c t\u00ecm ki\u1ebfm v\u00e0 th\u01b0\u1eddng hay s\u1eed d\u1ee5ng nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p k\u1ef3 l\u1ea1 \u0111\u1ec3 ki\u1ec3m \u0111\u1ecbnh xem li\u1ec7u …<\/p>\n","protected":false},"author":1,"featured_media":8836,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1063],"tags":[1333,899,1334,895],"class_list":["post-7084","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-chuyen-luan-hoi","tag-ky-la","tag-noi-bat","tag-thi-nghiem","tag-tieu-diem"],"_links":{"self":[{"href":"https:\/\/demo.vnno1.net\/index.php\/wp-json\/wp\/v2\/posts\/7084","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/demo.vnno1.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/demo.vnno1.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/demo.vnno1.net\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/demo.vnno1.net\/index.php\/wp-json\/wp\/v2\/comments?post=7084"}],"version-history":[{"count":0,"href":"https:\/\/demo.vnno1.net\/index.php\/wp-json\/wp\/v2\/posts\/7084\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/demo.vnno1.net\/index.php\/wp-json\/wp\/v2\/media\/8836"}],"wp:attachment":[{"href":"https:\/\/demo.vnno1.net\/index.php\/wp-json\/wp\/v2\/media?parent=7084"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/demo.vnno1.net\/index.php\/wp-json\/wp\/v2\/categories?post=7084"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/demo.vnno1.net\/index.php\/wp-json\/wp\/v2\/tags?post=7084"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}