In 1961, the logician Hao Wang conjectured that if a set of shapes tiles the plane, then the shapes must be able to tile the plane periodically. Just a few years later, his graduate student Robert ...

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Hexagonal-shaped tiles are a tried-and-true classic in home design: Patterned tile floors made up of small 1-inch hexagon tiles have been popular in bathrooms since the early 1900s. The same tiny ...

Board of 2 Minds About 6-Sided Tiles. Hexagon Is Traditional at Stations, but Square Has Advantages. By Lena H. Sun. October 19, 2006 at 8:00 p.m. EDT. Share. Add to your saved stories.