This is another terrific mathematical card trick.

http://www.youtube.com/watch?v=GS9AN3XwghA

It requires minimal set-up and no sleight of hand, relying only on a basic mathematical idea that a certain “shuffling”, when repeated three times, preserves the order of the cards.

Perfect for those of us who want to seem magical, but haven’t put the work in on our misdirection skills!

Here’s another card trick based entirely on mathematics.

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