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Hello there.

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

Parabolic Mirrors

Parabolic Mirrors

Brady Haran
Tom Crawford, Geometry

Featuring Tom Crawford.

Check opportunities with Jane Street at https://www.janestreet.com/join-jane-street/

Tom Crawford's website, with links to his work and other outreach: https://tomrocksmaths.com

More Tom videos on Numberphile: http://bit.ly/Crawford_Videos

Tom on the Numberphile Podcast: https://youtu.be/_HwKGncsGo0

The Brick Factory Problem

The Brick Factory Problem
Practical Numbers

Practical Numbers