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visits member for 2 years, 6 months
seen Oct 26 '13 at 21:38

Oct
28
awarded  Teacher
Oct
28
answered Why does a ping pong ball change direction when I spin it on a table?
Oct
4
comment How does the distance between two rails effect the speed of a steel ball bearing?
The assignment was to build a "Marble Rollercoaster". I just happened to use a steel ball bearing, call it what you will :)
Oct
3
awarded  Student
Oct
3
asked How does the distance between two rails effect the speed of a steel ball bearing?