The Four 4s - Numberphile

Subscribe
Like Dislike Favourite Share Report
2,732
by Super User, 7 years ago
0 0
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...
Jeff Straathof
Today I Found Out
Peggy You'll
Christian Cooper
Dr Jubal John
James Bissonette
Ken Baron
Andrzej 'Yester' Fiedukowicz
Bill Shillito
Tony Fadell
Erik Alexander Nordlund
Thomas Buckingham
Susan Silver
OK Merli
Tyler O'Connor
Jon Padden
Ciprian Stan
Vali Dobrota
D Hills
Charles Southerland
Arnas
plusunim
Paul Bates
Jordan Smith
Tracy Parry
Kristian Joensen
Tryggve Johannesson
Alfred Wallace

Join out Patreon supporters at: http://www.patreon.com/numberphile

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

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