Christian Lawson-Perfect is a user on mathstodon.xyz. You can follow them or interact with them if you have an account anywhere in the fediverse. If you don't, you can sign up here.
Christian Lawson-Perfect @christianp

A neat way of separating a deck of playing cards into red and black piles is the one-two trick: move the pack from one hand to the other, taking clumps of one colour or two colours alternately.
Takes at most four runs through to completely separate the colours in a 52-card deck. (Why?)

· Web · 0 · 1

Mad Abel is a card game for wo or more players which involves multiplication in the finite group of your choice: read.somethingorotherwhatever.