

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:: Q# H; j% B$ x G6 f
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死link![]()

Originally posted by d228216 at 2006-10-17 10:47 PM:# r7 r. w( V1 V" U' z; ~$ f# H. Z
即係我地全部唔方幸福.................又中喎![]()
Originally posted by guswan at 2006-10-18 12:09 AM:
人的視覺有screensaver,( y' j' w0 A1 i+ ^; e9 @2 W$ G! z
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.9 }! x6 |" Z. g9 {" U8 E
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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.
所以看一會兒後紅點變白時就成為綠點," d8 s) J7 D9 a% Z, ~6 q3 I& ~
就像一個綠點在轉.! g# L; `2 N, d' D$ |7 _- u
Originally posted by SCM at 2006-10-18 21:53:
O 原來係呢個 睇過
不過有冇根據ga
Originally posted by SCM at 09:53 PM:6 @) W, g* a2 [, {/ P9 ?$ Q. m
O 原來係呢個 睇過 . q$ `% \9 J6 J" X) F+ i: L& |. v$ u
不過有冇根據ga
Originally posted by playbr2 at 2006-10-18 03:13 AM:8 f7 G5 G% c0 p& P0 N% u4 G3 {9 Z
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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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