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

A Mysterious Math Doodle

A Mysterious Math Doodle

Brady Haran
Keith Moore, History, Royal Society
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...

Here are more pics of the doodle: http://bit.ly/Doodle_Images

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Thanks to Keith Moore at the Royal Society - https://royalsociety.org

A Game for the Elliptical Pool Table

A Game for the Elliptical Pool Table
The Brain of John Conway (and his Amazing Tongue)

The Brain of John Conway (and his Amazing Tongue)