Working in higher dimensions
Imagine if you will, only being able to move along a straight line. You’re now in one dimensional space. But wait! What if we are allowed, quite literally, to take a left. You are now allowed to move along a square space, this is two dimensional space. We can do better, though. You suddenly can move up and down, traveling in an area that’s the shape of a cube! You’re now in 3D space. Then suddenly you disappear from view, but where did you go? Welcome to the fourth dimension, you can’t see it, you can’t imagine it, but we can do math here and above!
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Lunatic Laboratories 