I know what you are thinking right now, “this is b.s,” “what are you smoking?” or “are you pulling this out of your butt?” I kind of thought along the same line, but the math (from Built on Facts) doesn’t lie. Remember, imaginary numbers are a different kind of beast. It is kind of like… a being from another dimension, you know? ^_^ You don’t? Ok, basically, imaginary numbers are vertical of a number line, and… You know what? I will let that link explain it.