The Mathematics of Card Shuffling with Persi Diaconis
Numberphile · Interview · YouTube title: The Best (and Worst) Ways to Shuffle Cards - Numberphile
Why it's here
HN points to it as a good, anecdote-filled introduction to the math of shuffling from the expert himself.
What it covers
Persi Diaconis explains on Numberphile the mathematics of card shuffling, including why seven riffle shuffles are needed to randomize a deck and how different shuffles compare.