Uploaded November 2012 | Updated September 2026, 18 hours ago

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A panel of the Topkapi scroll in Istanbul, Turkey. The large girih tiles subdivide into smaller ones to create overlapping patterns at different length scales. This scroll was a user manual for architects and contains designs that were widely used.

Read the full story here: discovermagazine.com/the-sciences/59-medieval-mosque-shows-amazing-math-discovery

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