News of the WeekMathematics

Quasi-Crystal Conundrum Opens a Tiling Can of Worms

Science  23 Feb 2007:
Vol. 315, Issue 5815, pp. 1066
DOI: 10.1126/science.315.5815.1066

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On page 1106 of this week's issue of Science, physicists propose that sometime between the 13th and 15th centuries, Islamic architects created tile patterns that conform almost exactly to a pattern called a quasi-crystal--500 years before it was formally described in the West. (Read more.)