>symmetry of time Time isn't symmetric. "Since the second law of thermodynamics states that entropy increases as time flows toward the future, in general, the

>symmetry of time Time isn't symmetric. "Since the second law of thermodynamics states that entropy increases as time flows toward the future, in general, the macroscopic universe does not show symmetry under time reversal." - https://en.wikipedia.org/wiki/T-symmetry https://en.wikipedia.org/wiki/T-symmetry