The Four Fundamental Forces Don't Fit Together in Three Dimensions

We have the electromagnetic force, gravitational force and nuclear forces. When you try to put them together, just witha pair of scissors and a pencil, they don't fit. But if you go to a higher dimension, there's enough room. There's enough room in a higher dimension, so they can fit very nicely. I like to think of it as the the let's say that at the beginning of time there was a crystal, and flatlanders lived in two dimensional flat land. And one day the crystal blew up, and all the fragments landed on flatland. Well, the flatlanders said, this is a puzzle. Let's put all these broken pieces together. So the flat