With a New, Improved Einstein,' Puzzlers Settle a Math Problem
Briefly

In March, a team of mathematical tilers announced their solution to a storied problem: They had discovered an elusive einstein a single shape that tiles a plane, or an infinite two-dimensional flat surface, but only in a nonrepeating pattern.I've always wanted to make a discovery, David Smith, the shape hobbyist whose original find spurred the research, said at the time.
Read at www.nytimes.com
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