Ditching the Fifth Axiom - Numberphile
2,651
by Jay, 9 years ago
Abandoning "The Fifth Axiom" - Euclid's so-called Parallel Postulate - gave birth to a whole new world... the world Hyperbolic Geometry.
Featuring Dr Caleb Ashley.
Extra footage from this interview: http://youtu.be/0FG-vUSjoAM
Filmed at MSRI. More hyperbolic geometry videos soon.
http://bit.ly/HyperbolicGeometry
Euclid's Postulates: http://mathworld.wolfram.com/EuclidsPostulates.html
NUMBERPHILE
Website: http://www.numberphile.com/
Numberphile on Facebook: http://www.facebook.com/numberphile
Numberphile tweets: https://twitter.com/numberphile
Numberphile is supported by the Mathematical Sciences Research Institute (MSRI): http://bit.ly/MSRINumberphile
Videos by Brady Haran
Support us on Patreon: http://www.patreon.com/numberphile
Brady's videos subreddit: http://www.reddit.com/r/BradyHaran/
A run-down of Brady's channels: http://www.bradyharan.com
Sign up for (occasional) emails: http://eepurl.com/YdjL9