9/17/11 Gil's LotD: Imaginary numbers
http://betterexplained.com/articles/a-visual-intuitive-guide-to-imaginary-numbers/ An explanation of how imaginary numbers work as a rotation.
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http://betterexplained.com/articles/a-visual-intuitive-guide-to-imaginary-numbers/ An explanation of how imaginary numbers work as a rotation.