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The most famous packing problem concerns spheres. In 1611, the astronomer Johannes Kepler proposed that the densest way to ...
Po-Shen Loh believes math education needs an overhaul. ... This U.S. Olympiad Coach Has a Unique Approach to Math . 03:19 . How Cosmic Dust Reveals the Secrets of the Universe . 05:49 . Meet One of ...
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