No (fair) Dice

Persi Diaconis is an ex-magician. He left the world of professional magic to become a professor of statistics at Stanford. But those influences are still reflected in his work as many of the simple tools used in the exploration of statistics — coins, cards, dice — are also favourite tools of the magician. So nothing specifically to do with magic, but if you wanted to know how fair your super-complicated D&D dice were.

Watch to the end to get the link to the hidden part 2!