Originally posted by iknow at 2006-10-17 10:39 PM:$ Z1 t4 s' G& X* m7 [& g
神奇的圖片 8 f  z1 M# l  g5 M" G1 j5 x
一定要聚精會神地盯著中...

Originally posted by SCM at 2006-10-17 10:42 PM:% }; p5 g% `- b" }1 ^

4 O5 O2 p2 T1 |" n5 \死link

Originally posted by d228216 at 2006-10-17 10:47 PM:
9 q; Z9 ~8 p1 w1 s. B- J* E5 a/ \, R
即係我地全部唔方幸福.................又中喎

Originally posted by guswan at 2006-10-18 12:09 AM:
4 O. L2 d% P: {3 d人的視覺有screensaver,$ }: \7 G! R! n$ ~; \# c
對視網膜接收的訊息有補色功能,
. d0 o* I9 _6 I9 \! f. y. K+ e長期看著的顏色,會用其對比色填補,保護眼睛.
" C( G' i6 R! ^% W% r2 K/ E6 a/ g+ y
可試一試看著一個顏色鮮艷的影像,* S0 k+ N( m5 ?2 ^( J5 p
跟著立即轉看一個全白色畫面,
* r/ K5 [( r4 j7 u先前的影像就會變成底片效果出現在全白色畫面上.$ G& A8 L$ P# p( l  h! V) }

* \$ u% Y: e' Q8 ^# L$ p: A所以看一會兒後紅點變白時就成為綠點," g) I1 V, `+ a5 ^" v0 R( I
就像一個綠點在轉., [3 m  j: N, S3 t

Originally posted by SCM at 2006-10-18 21:53:- F3 i5 C8 Y1 b) U' w5 e1 y8 [
O 原來係呢個 睇過 2 m# i" x3 z) [8 c3 m, N
不過有冇根據ga

Originally posted by SCM at  09:53 PM:2 `9 ?* Q! T: R. Z
O 原來係呢個 睇過
: X* a( a, n  L* ~( K& U不過有冇根據ga

Originally posted by playbr2 at 2006-10-18 03:13 AM:  F/ }) _) i# j8 d' f7 [
0 j' S* B) D7 T7 b
0 J4 t% X' A) S( l# f' L
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