Ditching the Fifth Axiom
Abandoning "The Fifth Axiom" - Euclid's so-called Parallel Postulate - gave birth to a whole new world... the world of 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