Why the Universe Ended Up With Three Dimensions

New paper explains why the Universe ended up with three dimensions

It’s probably not news to you that as residents of this fine Universe we call home, we can only move left or right, up or down, backwards or forwards. That’s it. There aren’t any other possible directions that aren’t some combination of those three.

These are our Universe’s three spatial dimensions, and why we have exactly three of them (not just one or two, five or 80) is still something of a mystery.

Not that physicists haven’t been searching for an answer – explaining the fundamental nature of reality is just a really hard nut to crack. But a new paper has shown that a universe with our laws of thermodynamics (which describe how energy moves around) will always get stuck with exactly three spatial dimensions. So basically, this paper just explained the Universe.

The researchers, from the University of Salamanca in Spain and the National Polytechnic Institute of Mexico, explained it with the first and second laws of thermodynamics.

READ MORE (via Science Alert)  Image: andrey_l/Shutterstock.com 

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