Playful thinking

There are many ways to teach that the angle of reflection equals the angle of incidence, or whatever the term is, but this must be one of the most entertaining.

There are many ways to teach that the angle of reflection equals the angle of incidence, or whatever the term is, but this must be one of the most entertaining.
January 31st, 2009 at 9:54 pm
Where did the problem about the football players go? I had the answer!
February 1st, 2009 at 3:59 pm
Sorry, it was posted a bit early. It will appear in a few days. Keep your answer warm meanwhile.