Originally posted by iknow at 2006-10-17 10:39 PM:
  E7 z  N5 Q/ }$ r/ t  G5 R2 o神奇的圖片
4 H- p/ T# W- w一定要聚精會神地盯著中...

Originally posted by SCM at 2006-10-17 10:42 PM:+ D1 Q: s# q) w. Z+ b
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死link

Originally posted by d228216 at 2006-10-17 10:47 PM:* f' q, E: V8 z- g4 Z5 s
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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:
# b1 x0 J# @% T  E3 B8 C人的視覺有screensaver,0 O, I' P* @7 B% [) q8 i
對視網膜接收的訊息有補色功能,
3 q( c8 [3 W- P+ D長期看著的顏色,會用其對比色填補,保護眼睛." ^8 H2 S4 M1 ^. \
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可試一試看著一個顏色鮮艷的影像,: G5 G1 }' @. f# o# O
跟著立即轉看一個全白色畫面,1 Z' i7 v8 P) ^- W7 R$ {, d
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,7 F5 `2 B* I, ~) Y% s# [
就像一個綠點在轉.
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Originally posted by SCM at 2006-10-18 21:53:5 v  G: N) L0 J* R$ K
O 原來係呢個 睇過
9 @6 n) _) l: i) B: ]不過有冇根據ga

Originally posted by SCM at  09:53 PM:
% @0 ?2 f' l: B4 s2 MO 原來係呢個 睇過
9 a- Q- p! Q" T* }- R; w不過有冇根據ga

Originally posted by playbr2 at 2006-10-18 03:13 AM:% H7 Q% H$ W. J

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1 i; q! }) h# U. ^% `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