Friday, February 23, 2007

Islamic Quasicrystalline Patterns

I have no idea whether this is partially media hype, but if medieval Islamic civilization is going to make the front page of yahoo, then I'm going to link to it:
"Magnificently sophisticated geometric patterns in medieval Islamic architecture indicate their designers achieved a mathematical breakthrough 500 years earlier than Western scholars, scientists said on Thursday.

"By the 15th century, decorative tile patterns on these masterpieces of Islamic architecture reached such complexity that a small number boasted what seem to be 'quasicrystalline' designs, Harvard University's Peter Lu and Princeton University's Paul Steinhardt wrote in the journal Science.

"Only in the 1970s did British mathematician and cosmologist Roger Penrose become the first to describe these geometric designs in the West. Quasicrystalline patterns comprise a set of interlocking units whose pattern never repeats, even when extended infinitely in all directions, and possess a special form of symmetry."


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