Wednesday, May 25, 2011

Octonions, forgotten number system invented 19th century may provide the simplest explanation for why our universe could have 10 dimensions

Octonions, neglected since their discovery in 1843, in the past few decades they have assumed a curious importance in string theory. And indeed, if string theory is a correct representation of the universe, they may explain why the universe has the number of dimensions it does.

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