Teaching physics

Posted by David Zaslavsky on
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Best XKCD ever:

Space-time is like some simple and familiar system which is both intuitively understandable and precisely analogous, and if I were Richard Feynman I'd be able to come up with it.

I can’t count the number of times I’ve tried to explain to people that all the analogies we use are just analogies, and that if you think about them too hard they don’t make sense, and that’s okay because physics is all about the math anyway.