The Best and Worst Ways to Shuffle Cards

If you are an "overhand" shuffler like me, this video is a wake-up call.

It is the first in a week of videos about card shuffling on Numberphile.

This video, with card shuffling legend Persi Diaconis, has three "extra bits" of unused footage (because I asked Professor Diaconis so many questions about things like casinos, cheating and shuffling machines!)