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Margaret Wertheim: The beautiful math that links coral, crochet and hyperbolic geometry
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One of my favorite TED talk so far. This woman reminds me some of my math teachers in Paris, except that she was wrong about one thing. Mathematicians have many examples of hyperbolic spaces, we just didn't have some that could be so easily represented in our traditional 3 dimensional space... She also made a much more serious mistake when she suggested that "infinity" in a number ... (I know its only a details, but for an algebraist like me it's a big thing...)



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