Originally posted by iknow at 2006-10-17 10:39 PM:
( k2 T) f4 B: ?$ M神奇的圖片
& [/ d! F9 t5 k# n4 `& R+ b8 Q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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( i- }3 B/ q2 R5 c死link

Originally posted by d228216 at 2006-10-17 10:47 PM:, q+ W! _- j2 A0 j- T4 K- _$ h
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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:( r/ J) M( K3 b; ]( D
人的視覺有screensaver,0 A/ Y: s- F: H+ V! r4 B& }' t9 B
對視網膜接收的訊息有補色功能,8 a4 m% ?, b. Y7 S
長期看著的顏色,會用其對比色填補,保護眼睛., p, ~6 t; z# y) }0 A4 p

$ ~3 ]! p) f- \) c( p) S可試一試看著一個顏色鮮艷的影像,1 b. P: U' W" C  n% |# V9 K
跟著立即轉看一個全白色畫面,3 x" x7 S$ T3 N! v' ^2 r/ l- f' `
先前的影像就會變成底片效果出現在全白色畫面上.: _" C$ J% S* M5 U; B9 P
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所以看一會兒後紅點變白時就成為綠點,
( {6 P1 v+ b$ m" L3 H: D6 f! c就像一個綠點在轉.
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Originally posted by SCM at 2006-10-18 21:53:
% x* C& V# [3 X- [" g$ KO 原來係呢個 睇過
( @; ^) N' |; t% s3 t不過有冇根據ga

Originally posted by SCM at  09:53 PM:. s) A# [. }! Y; w
O 原來係呢個 睇過 8 f" ~+ m2 P- J- s4 U
不過有冇根據ga

Originally posted by playbr2 at 2006-10-18 03:13 AM:
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0 z. x' h) X# K8 S( [$ C6 v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