Word: decagon
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Dates: during 2000-2009
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...Princeton University Professor Paul J. Steinhardt, the authors of the study, the motifs that embellish mosques and palaces throughout the Middle East and Asia demonstrate symmetrical patterns which were not associated with recognized mathematical formulas. Islamic art typically incorporates sets of five template tiles—a decagon, pentagon, diamond, bow tie, and hexagon. These tiles are used to draw shapes onto the edifices of Islamic buildings, which create infinite symmetrical patterns that never repeat—a process known as “quasicrystalline tiling.” “We can’t say for sure...
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