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The '''Kepler Conjecture''', proposed by [[Johannes Kepler]] in 1611, states that hexagonal and cubic close-packing are the densest possible ways to pack identical spheres. In 1998, a proof was announced by Thomas Hales. While the proof has proven difficult to verify due to its heavy use of computer calculations, it is believed to be correct.
==External Links==
*[http://mathworld.wolfram.com/KeplerConjecture.html The Kepler Conjecture]] at MathWorld
[[Category:Mathematics]]