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Incredible Moiré Patterns!

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Published on Jan 16, 2014

Sir Roger Penrose demonstrates the extraordinary moiré patterns produced by overlaying and rotating two identical, repeating patterns. As the two patterns overlapped and rotated they interfere with each other to produce tertiary patterns.

Acetates featured with kind permission of Professor Paul Steinhardt, Princeton University.

More information on moiré patterns: http://en.wikipedia.org/wiki/Moir%C3%...

Watch the full talk video this clip was taken from: https://www.youtube.com/watch?v=th3YM...

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