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Hello there.

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

5-Sided Square

5-Sided Square

Brady Haran
Cliff Stoll, Maps, Topology
Check our sponsor The Great Courses Plus (free trial): http://ow.ly/j5cB30hIvm2 This video features Cliff Stoll. More links & stuff in full description below ↓↓↓ More Cliff Stoll videos: http://bit.ly/Cliff_Videos Buy a Klein Bottle from Cliff - it's an experience: http://www.kleinbottle.com Discuss this video on Brady's subreddit: https://redd.it/96x6c4 Numberphile is supported by the Mathematical Sciences Research Institute (MSRI): http://bit.ly/MSRINumberphile We are also supported by Science Sandbox, a Simons Foundation initiative dedicated to engaging everyone with the process of science.

Additional information

Check our sponsor The Great Courses Plus (free trial): http://ow.ly/j5cB30hIvm2

This video features Cliff Stoll.

More Cliff Stoll videos: http://bit.ly/Cliff_Videos

Buy a Klein Bottle from Cliff - it's an experience: http://www.kleinbottle.com

Discuss this video on Brady's subreddit: https://redd.it/96x6c4

Antipodal Points

Antipodal Points
Last Cards and Chinese Remainder

Last Cards and Chinese Remainder