Originally posted by iknow at 2006-10-17 10:39 PM:3 q. r5 D+ N0 }) Y- ^6 s
神奇的圖片
' Q3 t; C& `, {一定要聚精會神地盯著中...

Originally posted by SCM at 2006-10-17 10:42 PM:
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死link

Originally posted by d228216 at 2006-10-17 10:47 PM:: d( N3 \8 T4 d5 R3 B1 ?6 _' G
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即係我地全部唔方幸福.................又中喎

Originally posted by guswan at 2006-10-18 12:09 AM:0 ]+ V. o. `* i/ R% D
人的視覺有screensaver,
1 a+ q6 W( f4 ~; V& C1 G/ [. [+ P對視網膜接收的訊息有補色功能,
( `7 a2 S  d! U) f長期看著的顏色,會用其對比色填補,保護眼睛.
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3 A& L+ N* @3 W) x1 k# ?- B; \可試一試看著一個顏色鮮艷的影像,/ \, m2 u1 N( Z, F9 F; p
跟著立即轉看一個全白色畫面,
; i2 \: N# ^1 C9 F; K- K; S先前的影像就會變成底片效果出現在全白色畫面上.
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所以看一會兒後紅點變白時就成為綠點,- y$ m- O: h+ O& G* w6 `
就像一個綠點在轉.
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Originally posted by SCM at 2006-10-18 21:53:
9 ^, z( d' y. {/ \! UO 原來係呢個 睇過 : p: H2 r' z& L' f, j- s2 ]
不過有冇根據ga

Originally posted by SCM at  09:53 PM:
% R. |6 r9 ~  B7 m# q, Z: zO 原來係呢個 睇過
& W5 l4 _. X6 R" [4 z: [不過有冇根據ga

Originally posted by playbr2 at 2006-10-18 03:13 AM:8 ~/ }. S2 r5 G3 E  H
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4 H  C  s% l1 d2 _4 o( j中二的科學堂已經有教為甚麼大多數的人總是迷信,而不好好學習科學