I'm here to find out about the mysteries of air.
16 Why is oxygen the third most abundant element? Aug 2 '11
12 Two planets in same orbit - not planets? Jun 17 '11
6 Escape Velocity of Asteriod 243 Ida Apr 12 '11
2 How does my air-cooling unit work? May 20 '11
2 What orientation will let me drive the fastest with a tray of coffee on the floor? [closed] Jan 21