Ditching the Fifth Axiom - Numberphile

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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

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Видео Ditching the Fifth Axiom - Numberphile канала Numberphile