
How to Make Use of Our Limited Time in This Tiny Part of Space with Sean Carroll
Inquiring Minds
Is There a Beginning?
We don't know whether the universe had a beginning or not. Our theories are just not good enough to extrapolate backwards. What we do know is that the conditions near the big bang, from a physics point of view, were very, very unusual. As the universe nds and cools, the entropy goes up. That's why you have this very, very strong feeling that there is a difference between past, present and future.
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