Monthly Archive for January, 2010

Two Summer Schools

Posted in News on Jan 28th, 2010

Talented undergraduates* who are interested in the topics covered on this blog should consider applying to at least one of the following programs: Carnegie Mellon Summer School in Logic and Formal Epistemology, UCLA Summer School in Mathematical Logic . * The CMU program will also consider “students who will have just completed their first year of [...]

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Packing tetrahedron

Posted in Tidbits on Jan 7th, 2010

What’s the most efficient way to pack a group of identical spheres? It is to stack them like your grocer stacks oranges, which Kepler conjectured would yield a packing density of 74%, and Thomas Hales proved Kepler right in 1998. What’s the most efficient way to pack a group of identical, regular tetrahedron? Here answers [...]

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