Möbius Knots and Roller Coasters

Carlo H. Séquin (from UC Berkeley) discusses more knots - this time venturing into the worlds of snow sculptures, Möbius Bands and Roller Coasters!

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/