

Originally posted by iknow at 2006-10-17 10:39 PM:) G- p$ Z5 r5 p# f/ r8 B2 a/ {/ t
神奇的圖片 / W4 V7 I6 `6 b1 v# b# z! s
一定要聚精會神地盯著中...
Originally posted by SCM at 2006-10-17 10:42 PM:. {3 w2 R! ^; C3 r6 K* ^0 L
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死link![]()

Originally posted by d228216 at 2006-10-17 10:47 PM:3 n0 p+ _1 r" a6 s) @9 t
即係我地全部唔方幸福.................又中喎![]()
Originally posted by guswan at 2006-10-18 12:09 AM:- l* J t' a& F' |
人的視覺有screensaver,2 C; Y, t, |# g3 p/ _
對視網膜接收的訊息有補色功能,4 ^9 d1 y& z! V' k& L
長期看著的顏色,會用其對比色填補,保護眼睛.
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可試一試看著一個顏色鮮艷的影像,
跟著立即轉看一個全白色畫面,
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,+ l r/ y2 W9 M3 r
就像一個綠點在轉.; i7 t; ~3 D0 t# ^
Originally posted by SCM at 2006-10-18 21:53:, G% x3 q+ w# [. W
O 原來係呢個 睇過 - V5 R* j$ g- h) k+ w0 |3 E
不過有冇根據ga
Originally posted by SCM at 09:53 PM:# I8 ]5 Z {7 ]
O 原來係呢個 睇過 ( j/ `2 B0 w4 B# T
不過有冇根據ga
Originally posted by playbr2 at 2006-10-18 03:13 AM:1 s- S# \. {, f, s* f' X$ F
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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
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