Originally posted by iknow at 2006-10-17 10:39 PM:
2 l4 \% c; ^1 p3 m& r神奇的圖片 ! u, v, W. q! r$ W7 v1 Z# A
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:
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) J: T$ `5 V# L5 k* K0 x) b$ P" v即係我地全部唔方幸福.................又中喎

Originally posted by guswan at 2006-10-18 12:09 AM:
- ^4 q7 }: K5 Y人的視覺有screensaver,8 c) p" m  K% `5 A" I5 r
對視網膜接收的訊息有補色功能,
& B$ p/ v6 G1 }4 C* d7 Q! I- c長期看著的顏色,會用其對比色填補,保護眼睛.0 x# I0 m; c( t& C( D1 f0 Y
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可試一試看著一個顏色鮮艷的影像,
1 @! J# b9 F- @8 l% i跟著立即轉看一個全白色畫面,
9 ~3 X7 J0 o; C( f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,* _/ r  _1 ?; @/ K7 Z, M
就像一個綠點在轉.
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Originally posted by SCM at 2006-10-18 21:53:
  |+ S- o" B5 L; p4 mO 原來係呢個 睇過 # {- o* t& k9 h
不過有冇根據ga

Originally posted by SCM at  09:53 PM:( M' j. _  S4 s% P6 O$ |- K( b; f
O 原來係呢個 睇過 5 }% C/ h5 A- t9 t, `% s9 k, o
不過有冇根據ga

Originally posted by playbr2 at 2006-10-18 03:13 AM:
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" {* a. a. w/ p* P0 p/ l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