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Hello there.

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

Too Many Triangles

Too Many Triangles

How many triangles are too many? Featuring Henry Segerman from Oklahoma State University.

Check Henry's book about 3D printing math: http://amzn.to/2cWhY3R

More Henry videos: http://bit.ly/Segerman_Videos

Henry's hinged doilies were joint work with Geoffrey Irving (https://naml.us)

The Shortest Ever Papers

The Shortest Ever Papers

The Problems with Secret Santa

The Problems with Secret Santa