Top network posts

• 82 $6!\cdot 7!=10!$. Is there a natural bijection between $S_6\times S_7$ and $S_{10}$?
• 37 What is the largest volume of a polyhedron whose skeleton has total length 1? Is it the regular triangular prism?
• 34 Is there (or can there be) a general algorithm to solve Rubik's cubes of any dimension?
• 27 What is the probability that a random walk on $\mathbb{Z}^2$ will hit $(1,0)$ before $(2,0)$?
• 23 Which convex shapes are the hardest to bind together with a rubber band?
• 21 Does every 5-celled animal tile the plane?
• 21 What is the smallest polyomino that can't surround a $1\times 1$ hole?
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