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The Useless Number - Numberphile

2015-02-25

[public] 2.36M views, 28.9K likes, 1.40K dislikes audio only

One of the first people to stumble over imaginary numbers (namely the square root of -15) thought it was "subtle" and "useless".

More links & stuff in full description below ↓↓↓

Featuring Barry Mazur.

Extra footage from this interview: /youtube/video/i4GCd2xOCDg

Barry's book on this topic: http://bit.ly/RootMinusFifteen

Barry on scale and similarity: /youtube/video/ItiFO5y36kw

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