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Hello there.

This is Numberphile. We mainly post videos about mathematics and just numbers in general.

Brown's Criterion

Brown's Criterion

A "little mathematical trick" which can be performed with powers of two, Fibonacci numbers and prime numbers.

Featuring Dr james Grime, who can be found online at http://singingbanana.com/

Amazing Old Calculator (Curta)

Amazing Old Calculator (Curta)

Underwater Yahtzee

Underwater Yahtzee