

Originally posted by iknow at 2006-10-17 10:39 PM:
神奇的圖片
一定要聚精會神地盯著中...
Originally posted by SCM at 2006-10-17 10:42 PM:2 M5 X u9 p1 y) X' R+ p& p2 h
死link![]()

Originally posted by d228216 at 2006-10-17 10:47 PM:
即係我地全部唔方幸福.................又中喎![]()
Originally posted by guswan at 2006-10-18 12:09 AM:0 o/ k1 T2 t$ H8 |4 {9 [5 w/ Y
人的視覺有screensaver,
對視網膜接收的訊息有補色功能,
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,6 e! Z1 [5 |% q1 j
跟著立即轉看一個全白色畫面,5 e1 A* W# C+ h! H- r Y
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,3 ^' `+ C z* g. O" K
就像一個綠點在轉.* w1 o+ \. ?0 C5 ?5 @% ~
Originally posted by SCM at 2006-10-18 21:53:, h/ K- e7 e+ J" [+ l" N4 G
O 原來係呢個 睇過
不過有冇根據ga
Originally posted by SCM at 09:53 PM:
O 原來係呢個 睇過
不過有冇根據ga
Originally posted by playbr2 at 2006-10-18 03:13 AM:
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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