What known laws would it be violating? If you're thinking of the second law of thermodynamics, bear in mind that popular descriptions that equate "entropy" wit

What known laws would it be violating? If you're thinking of the second law of thermodynamics, bear in mind that popular descriptions that equate "entropy" with "information" or "non-randomness" are extremely oversimplifying things. A periodic change in a system does not necessarily imply a decrease in entropy.