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Hello there.

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

The Brick Factory Problem

The Brick Factory Problem

Brady Haran
James Grime, Graphs

Featuring Dr James Grime...

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James Grime: https://www.singingbanana.com

His YouTube channel: https://www.youtube.com/user/singingbanana

More James on Numberphile: http://bit.ly/grimevideos

Magic Squares of Squares

Magic Squares of Squares
Parabolic Mirrors

Parabolic Mirrors