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Ditching the Fifth Axiom - Numberphile

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Published on Apr 10, 2015

More links & stuff in full description below ↓↓↓

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/EuclidsP...

Support us on Patreon: http://www.patreon.com/numberphile

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Numberphile is supported by the Mathematical Sciences Research Institute (MSRI): http://bit.ly/MSRINumberphile

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/

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