Leo Stein's posts

TIL that every finite simple group can be generated with just two elements. Why?!

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TIL that origami is more powerful than Euclidean (compass+straightedge) construction: http://youtu.be/SL2lYcggGpc from +Numberphile

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Scientists talk about the genesis of their ideas: http://birthofidea.ist.utl.pt/

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Get those geodesics!

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If you ever want a perfect video demonstration of non-trivial U(1) holonomy over R^2, here it is.

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I've been androidified!

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Do you think that Wikipedia is a valuable resource? Help keep it free.

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Hyperbolic maze! Make sure to read the explanation, it's not just the hyperbolic plane.

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New version! More functionality on search pages.

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This is really bad ...

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