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Old 17Jul2007, 01:25 AM   #1
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Arrow Study finds advanced 20th-century geometry in 15th-century tilings

Intricate decorative tilework found in medieval architecture across the Islamic world appears to exhibit advanced decagonal quasicrystal geometry — a concept discovered by Western mathematicians and physicists only in the 1970s and 1980s. If so, medieval Islamic application of this geometry would predate Western mastery by at least half a millennium. We’re finding widespread evidence for [...]

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