public marks

PUBLIC MARKS with tags science & physics

12 January 2006

Alex's paper airplanes

by phgod & 3 others
摺紙飛機原來大有學問。

Stephen Hawking's Universe

by phgod
同名 VCD 的支援網站,內有教師手冊可供下載。

10 January 2006

09 January 2006

08 January 2006

07 January 2006

04 January 2006

03 January 2006

29 December 2005

21 December 2005

15 December 2005

13 December 2005