Ditching the Fifth Axiom - Numberphile

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by Jay, 6 years ago
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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