Episode 173

The Four-Color Map Problem (Entry 495.NU2653)

00:00:00
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00:50:36

July 23rd, 2019

50 mins 36 secs

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About this Episode

In which over a century of mathematicians are unable to solve a geometry problem straight out of a coloring book, computers provide their first ever math "proof," and Ken challenges John to map a donut. Certificate #28876.