

Originally posted by iknow at 2006-10-17 10:39 PM:
神奇的圖片 9 }: D3 m9 w' C3 A" f
一定要聚精會神地盯著中...
Originally posted by SCM at 2006-10-17 10:42 PM:5 v" |8 l) W: s2 r* C0 O
( Z. H7 }8 \3 e1 R
死link![]()

Originally posted by d228216 at 2006-10-17 10:47 PM:
: `2 O% c+ m6 d$ ?
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," [7 k; e$ t! k7 J' s
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.( \8 j. W# }7 m
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. W9 O; L% A) ^) Y( R' y0 r/ d
所以看一會兒後紅點變白時就成為綠點,+ g! X% v( b% y2 y) d* e' O4 Y, |: h
就像一個綠點在轉.
Originally posted by SCM at 2006-10-18 21:53:
O 原來係呢個 睇過 , H/ X% M+ V* W* c, l
不過有冇根據ga
Originally posted by SCM at 09:53 PM:/ z7 y! E0 e' g- w# C- V
O 原來係呢個 睇過 N/ N2 Z- b( t5 X! m5 R) g
不過有冇根據ga
Originally posted by playbr2 at 2006-10-18 03:13 AM:9 x& ^& j) u" I0 |4 ` T5 o' N
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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