The Four Color Map Theorem
Additional information
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
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