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CS professor Craig S. Kaplan has helped prove the existence of an ±ð¾±²Ô²õ³Ù±ð¾±²ÔÌý(from the German for "one stone") - a 13-sided shape dubbed "the hat" that can tile a plane infinitely without ever repeating. The discovery, which has been covered in prestigious outlets including , , and , is the result of extensive collaboration between a team of "tiling enthusiasts" in Canada, the United States, and the United Kingdom. 

Read the full story behind the discovery - and why it's so important - on À¶Ý®ÊÓƵ News.