Very interesting! This time, physics beats mathematics by a large margin (85% vs 77%). Warut On Sat, Dec 12, 2009 at 4:22 AM, <rcs@xmission.com> wrote:

There's a newly discovered tetrahedron packing that achieves 83% fill.

http://www.sciencedaily.com/releases/2009/12/091209134633.htm

Rich

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