Prime Knots - Numberphile

They are knot what you think!
Primes, Composites and the usefulness of knots....
Second in a series of videos about knots. Here we again speak with Carlo H. Séquin from UC Berkeley.
More videos to come at: http://bit.ly/Knot-a-Phile
Edit and animation by Pete McPartlan. Film and interview by Brady Haran

With thanks to Rob Scharein for the use of his software Knotplot - http://www.knotplot.com/

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