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Sam Nead's user avatar
Sam Nead's user avatar
Sam Nead
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144
Magic trick based on deep mathematics
Dec 27, 2009
91
Teaching homology via everyday examples
Jan 1, 2014
52
Examples of common false beliefs in mathematics
Apr 10, 2011
43
Applications of knot theory
Dec 3, 2010
42
What would you want to see at the Museum of Mathematics?
Dec 25, 2010
39
Do finite groups acting on a ball have a fixed point?
Oct 18, 2011
39
What part is left unsolved in the Unknotting problem? (after results of Bar-Natan, Khovanov, Kronheimer and Mrowka)
Feb 27, 2016
31
Magic trick based on deep mathematics
Dec 25, 2009
29
Drawing of the eight Thurston geometries?
Jul 7, 2010
28
Teaching the fundamental group via everyday examples
Oct 21, 2014
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Disappearing comment
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Looking for an answer (written by Thurston = user9062)
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Non-research level question
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Looking for an answer (written by Thurston = user9062)
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58
Why can you turn clothing right-side-out?
54
Typesetting the "define equals" symbol
49
Why does the Mandelbrot set contain (slightly deformed) copies of itself?
17
Mandelbrot fractal: How is it possible?
14
Hyperbolic metric on the torus?