It was a famous problem for many years - until a physics genius solved it all the way to infinity.
Featuring author Alex Bellos - more links below.
Extras from this interview: https://youtu.be/jv8dITbiheQ
More Numberphile videos with Alex: http://bit.ly/Bellos_Playlist
Alex's recent book about puzzles (including the Four 4s): http://amzn.to/2jRo0n2
More Alex books: http://bit.ly/BellosBooks
With a sincere thanks to these Patrons...
Today I Found Out
Dr Jubal John
Andrzej 'Yester' Fiedukowicz
Erik Alexander Nordlund
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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.
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Videos by Brady Haran
Brady's videos subreddit: http://www.reddit.com/r/BradyHaran/
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Tagged under: numberphile, 4s,paul dirac,alex bellos,puzzle
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