Originally posted by iknow at 2006-10-17 10:39 PM:
9 {  c1 G9 m0 p. r& Y- U+ n( m神奇的圖片 9 }: D3 m9 w' C3 A" f
一定要聚精會神地盯著中...

Originally posted by SCM at 2006-10-17 10:42 PM:5 v" |8 l) W: s2 r* C0 O
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死link

Originally posted by d228216 at 2006-10-17 10:47 PM:
! a: w9 p& g! w  o: `2 O% c+ m6 d$ ?
即係我地全部唔方幸福.................又中喎

Originally posted by guswan at 2006-10-18 12:09 AM:
) B1 h$ v% ^/ f9 G, n( J人的視覺有screensaver," [7 k; e$ t! k7 J' s
對視網膜接收的訊息有補色功能,
+ h2 u, e3 i  Y8 c0 A長期看著的顏色,會用其對比色填補,保護眼睛.( \8 j. W# }7 m

/ e( i1 b5 i' u8 U, j  K可試一試看著一個顏色鮮艷的影像,
' {& i7 w0 m' Y8 N( {: k跟著立即轉看一個全白色畫面,
( D$ g9 l1 Z4 s" d! C- Q4 i先前的影像就會變成底片效果出現在全白色畫面上.  W9 O; L% A) ^) Y( R' y0 r/ d

! z1 ^' t& k) U, v. [所以看一會兒後紅點變白時就成為綠點,+ g! X% v( b% y2 y) d* e' O4 Y, |: h
就像一個綠點在轉.
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Originally posted by SCM at 2006-10-18 21:53:
% n5 W$ d  `% ?) }7 ]2 p5 FO 原來係呢個 睇過 , H/ X% M+ V* W* c, l
不過有冇根據ga

Originally posted by SCM at  09:53 PM:/ z7 y! E0 e' g- w# C- V
O 原來係呢個 睇過   N/ N2 Z- b( t5 X! m5 R) g
不過有冇根據ga

Originally posted by playbr2 at 2006-10-18 03:13 AM:9 x& ^& j) u" I0 |4 `  T5 o' N

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" }2 v  v9 ~7 D3 a3 }6 q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