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3:55 AM
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Q: Packing regular tetrahedra of edge length 1 with a vertex at the origin in a unit sphere

YuiTo ChengConsider the following problem: How many regular tetrahedra of edge length 1 can be packed inside a unit sphere with each one has a vertex located at the origin? The answer is at least 20, forming an icosahedron. On the other hand, it is at most 22, which can be shown by dividing the surface ar...

mg.metric-geometry packing-and-covering
 
 
6 hours later…
Martin Sleziak
Martin Sleziak
9:53 AM
A recent question on meta related to the visibility of the featured questions: Giving “bountied questions” more visibility weight
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Q: Giving "bountied questions" more visibility weight

Alexander ChervovWhat community thinks about idea giving "bountied questions" more attention ? I almost never look on the tab "featured", I guess I am not alone. So I guess such questions deserve little attention. On the other hand if someone giving bounty, then (imho) it should be respected somehow, it is so...

discussion feature-request bounty
 

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