Mathematics and Magic: the de Bruijn Card Trick | The n-Category Café
Mathematics and Magic: the de Bruijn Card Trick Posted by Simon Willerton A mathematician hands out a pack of cards to a group of five people. They repeatedly cut the deck and then take a card each. The mathematician tries to use telepathy to divine the cards that the people are holding but unfortunately due to solar disturbances, the mind waves are a bit scrambled and the mathematician has to ask
Finger binary - Wikipedia
This article includes a list of general references, but it lacks sufficient corresponding inline citations. Please help to improve this article by introducing more precise citations. (January 2009) (Learn how and when to remove this template message) 19 in finger binary: the pinkie finger is 16, added to the 2 of the index finger and the 1 of the thumb Finger binary is a system for counting and di
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