When you wake up in the morning and break an egg into a frying pan only to realize you want oatmeal instead, there isn't much you can do. You can't exactly put the egg back in the shell. The principle that makes it impossible for you to unbreak that egg is the same one that makes it impossible for the universe to go through a reverse Big Bang — and may explain why time only goes forward, never backward. That principle is called entropy.
Wake Up and Smell the Entropy
Time and the Origin of the Universe
Written by Ashley Hamer May 16, 2017
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