Funny Fractions and Ford Circles - Numberphile

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by Super User, 9 years ago
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Farey Sequences, Ford Circles and a strange addition sign...
Featuring Francis Bonahon from the University of Southern California.

Watch EPIC CIRCLES: https://www.youtube.com/watch?v=sG_6nlMZ8f4

Periodic Videos chemistry: https://www.youtube.com/periodicvideos

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