Originally posted by iknow at 2006-10-17 10:39 PM:
) ~4 O8 Y+ |' M! {神奇的圖片 8 D+ K6 ?! p8 p9 E( {
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:! u/ v* d  ^# k' o8 P
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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:
, X# ]$ S# p9 G* I9 G人的視覺有screensaver,
! Q, J2 M% c6 o" ]對視網膜接收的訊息有補色功能,
* \1 R" D- c1 H, w) B* S長期看著的顏色,會用其對比色填補,保護眼睛./ P% V9 \7 q9 K$ j2 k. u
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可試一試看著一個顏色鮮艷的影像,
7 D9 ?. O, w* r3 p跟著立即轉看一個全白色畫面,
) @# H' T6 [! c+ P4 r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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" O# e1 _5 m: Y/ v) G- I1 g( y( ]所以看一會兒後紅點變白時就成為綠點,- r; a4 [" i7 O9 L
就像一個綠點在轉.
* }( }) Z( [6 r1 ~4 f! ?  M

Originally posted by SCM at 2006-10-18 21:53:
4 W6 O* [1 D5 a: iO 原來係呢個 睇過 " h" B( k) D( O5 t
不過有冇根據ga

Originally posted by SCM at  09:53 PM:. Y8 \; [; k7 K' V7 p
O 原來係呢個 睇過 1 ?4 `5 P4 @0 p* X5 A3 f
不過有冇根據ga

Originally posted by playbr2 at 2006-10-18 03:13 AM:! z/ v2 c3 L: X$ W4 q
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; q; a) v: E- x% B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