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Hello there.

This is Numberphile. We mainly post videos about mathematics and just numbers in general.

What is a Knot?

What is a Knot?

Brady Haran
Carlo Séquin, Knots
Alex Bellos discusses how the Incans used knots in string (Quipu) to record numbers.Check out Brilliant (get 20% off their premium service): https://brillian...

First in a series of videos about knots. Here we have 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/

Also with thanks to Maurice McPartlan

The Curse of Lane 8

The Curse of Lane 8
Six Dice One-Roll Yahtzee (in super slow motion)

Six Dice One-Roll Yahtzee (in super slow motion)