A collaboration with Jorge Cham and Daniel Whiteson, check out "We Have No Idea" at http://www.wehavenoidea.com

Jorge's PhDComics: http://www.phdcomics.com

Numberphile video about sports in hyperbolic space:    • Playing Sports in Hyperbolic Space - ...  

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This video is about the local and global geometry and curvature of space and spacetime, aka, is space flat? Negatively curved? Positively curved? etc.

Minute Physics provides an energetic and entertaining view of old and new problems in physics -- all in a minute!

Created by Henry Reich