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by abfan1127 2149 days ago
This is fun! One thing I notice is that rarely do I get one-to-one riffles. Often they group 2-3 cards together. I've always wondered (but not enough to do the leg work) if those 2-3 cards tend to stay together shuffle to shuffle. Can small physical attributes (size, edge alignment, inter-card friction, air pressure) contribute these cards to affect the entropy?
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> Can small physical attributes (size, edge alignment, inter-card friction, air pressure) contribute these cards to affect the entropy?

This is the basic premise of the Svengali deck of cards. One half of the cards is slightly smaller than the rest which gives the magician some ability to do tricks including things like "effectively" have two cards stick to each other (or jump each other).

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