Originally posted by iknow at 2006-10-17 10:39 PM:3 A4 c+ s+ `* ^1 \1 q
神奇的圖片
0 ]4 j; H& U% a( |# B一定要聚精會神地盯著中...

Originally posted by SCM at 2006-10-17 10:42 PM:9 N% S+ C- a4 }7 G8 Y
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死link

Originally posted by d228216 at 2006-10-17 10:47 PM:* e6 @6 I5 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:
. a/ G5 h+ x; w. o人的視覺有screensaver,
$ w! @- ^& c- |對視網膜接收的訊息有補色功能,
  z' }& g% }8 w5 ]8 C7 M: v長期看著的顏色,會用其對比色填補,保護眼睛.
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! t2 Y$ c, {3 |' {' ^可試一試看著一個顏色鮮艷的影像,
+ {6 q+ @/ ?. P& V4 b; w& O9 k/ ~跟著立即轉看一個全白色畫面,
, d' F  G& j) T" p* k0 e; g4 `$ w先前的影像就會變成底片效果出現在全白色畫面上.. L4 X7 G3 ]1 H% r/ e2 S
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所以看一會兒後紅點變白時就成為綠點,
$ V; p! K( A9 p7 m就像一個綠點在轉.* o8 K2 W7 }; p8 R2 A

Originally posted by SCM at 2006-10-18 21:53:
0 x! u0 a" C7 k9 R1 {O 原來係呢個 睇過 ) f& z. O. \/ g- H
不過有冇根據ga

Originally posted by SCM at  09:53 PM:* o8 u; |& ^0 W) N7 `" k4 M& A  I
O 原來係呢個 睇過
* |% U6 O+ S: i0 w2 i' b% U不過有冇根據ga

Originally posted by playbr2 at 2006-10-18 03:13 AM:
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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