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.

2 Responses to “Playful thinking”

  1. John S. Says:

    Where did the problem about the football players go? I had the answer!

  2. Jan Nordgreen Says:

    Sorry, it was posted a bit early. It will appear in a few days. Keep your answer warm meanwhile. :)

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