Originally posted by iknow at 2006-10-17 10:39 PM:
: `' e1 [6 g+ d2 U& k神奇的圖片 6 }/ {2 s& |- c2 v- c) s
一定要聚精會神地盯著中...

Originally posted by SCM at 2006-10-17 10:42 PM:1 L/ H! i# `% t. H

+ c+ Y' z1 e! z# r. f. G* y! h) x- v死link

Originally posted by d228216 at 2006-10-17 10:47 PM:$ T' E( F6 m6 j, P; k# p' g! W8 n! P

/ {0 d: [# Q4 U即係我地全部唔方幸福.................又中喎

Originally posted by guswan at 2006-10-18 12:09 AM:1 ]. f7 X: P6 Y) M/ z3 N% l' g
人的視覺有screensaver,, h& W4 A; P# ^; y# l2 s8 [* U
對視網膜接收的訊息有補色功能,
+ G1 t4 k2 U: }2 P0 k長期看著的顏色,會用其對比色填補,保護眼睛.3 Z8 D! W" o# H' y  `* |+ p

0 |3 \  v" T6 S可試一試看著一個顏色鮮艷的影像,+ `8 B; R, _4 y- L, b# f) k
跟著立即轉看一個全白色畫面,
0 T% m1 O' j+ r9 v先前的影像就會變成底片效果出現在全白色畫面上.( T1 i, K/ G. Y6 Q
' G7 V2 H- b) i* N: l6 K
所以看一會兒後紅點變白時就成為綠點,( t0 h: c7 e6 y6 g2 O
就像一個綠點在轉.* c0 C* `9 f1 m! |8 i

Originally posted by SCM at 2006-10-18 21:53:
) b) d7 i+ w5 B5 c& x4 HO 原來係呢個 睇過 ; x0 F" R5 N4 r& z8 q, X6 N
不過有冇根據ga

Originally posted by SCM at  09:53 PM:
. S3 k. H; c9 UO 原來係呢個 睇過 ! e! R2 R8 [- `/ m# D- |
不過有冇根據ga

Originally posted by playbr2 at 2006-10-18 03:13 AM:  W! p" B. ^- n2 I
: H5 j  a$ N1 ]1 h% G! N

/ a4 y- }- e, C! ~$ n: u1 g, i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