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Hello there.

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

How do fish swim so quickly?

How do fish swim so quickly?

Brady Haran
Tadashi Tokieda
Alex Bellos discusses how the Incans used knots in string (Quipu) to record numbers.Check out Brilliant (get 20% off their premium service): https://brillian...

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Tadashi Tokieda is a professor of mathematics at Stanford University, specialising in applied mathematics.

More videos with Tadashi: http://bit.ly/tadashi_vids

Drawing an Egg (with a Pentagon)

Drawing an Egg (with a Pentagon)
Twin Proofs for Twin Primes

Twin Proofs for Twin Primes