The Four Color Map Theorem – Numberphile

Captions provided by CCTubes – Captioning the Internet! This video supported by Squarespace: https://www.squarespace.com/numberphile
The Four Color Map Theorem (or colour!?) was a long-standing problem until it was cracked in 1976 using a “new” method… computers!

A little bit of extra footage from this: https://youtu.be/laMkuPrad3s

This video features Dr James Grime – http://jamesgrime.com
More Grime videos: http://bit.ly/grimevideos

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.

NUMBERPHILE
Website: http://www.numberphile.com/
Numberphile on Facebook: http://www.facebook.com/numberphile
Numberphile tweets: https://twitter.com/numberphile
Subscribe: http://bit.ly/Numberphile_Sub

Videos by Brady Haran

Patreon: http://www.patreon.com/numberphile

Brady’s videos subreddit: http://www.reddit.com/r/BradyHaran/

Brady’s latest videos across all channels: http://www.bradyharanblog.com/

Sign up for (occasional) emails: http://eepurl.com/YdjL9