To a nonmathematician, having the letter "i" represent a number that does not quite exist and is "imaginary" can be hard to wrap your head around. If you open your mind to this way of thinking, ...

Imagine a number line in your head. Got it? Now think about this: how did it get there in the first place; is the ability to map a number line in your mind an innate human ability, or is it a concept ...