mamasing

I agree, I heard that astronaut cannot pee or shit while they are in space.
) f$ j1 i  e4 H9 ]) E) O公仔箱論壇It must be a painful joruney.公仔箱論壇* z. `1 V+ A. l+ g8 M6 ?
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.
% ^" {3 S- M/ w! s5 y0 M) |TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。I suggest you pack and pick other subject instead, if you really like Physics,
2 |- t8 N2 f- r. K, F公仔箱論壇you need to switch school.
, P& C2 _  V5 ]* r0 K公仔箱論壇There is no 地心引力, but "gravitational" force only.5.39.217.76; F7 N' |3 a  h
A simple meaning of Gravitational force = the force of attraction between any
2 }% \2 d1 h! P公仔箱論壇two masses.公仔箱論壇. X) \0 @" P+ Q% P/ ]) y  V- S* O
5.39.217.76# y% v+ ^6 f' _! Q* t
Gosh, I got fooled by my HK Physics teacher many years ago.