New research shows that the second law of thermodynamics, which states entropy increases over time, also applies to closed ...

If you define the concept of entropy in a way that is compatible with the basic ideas of quantum physics, then there is no longer any contradiction between quantum physics and thermodynamics. Entropy ...

An international collaboration led by Nagoya University in Japan sheds new light on the relationship between quantum theory ...

For over a century, the Maxwell’s Demon paradox has haunted physics. This thought experiment suggests that a tiny, ...

The grandfather paradox is just one of the thorny logical problems that arise with the concept of time travel. But one physicist says he has resolved them.

The second law of thermodynamics, a cornerstone of modern physics, states that entropy—a measure of disorder—never spontaneously decreases. It governs everything from the efficiency of engines to the ...

Entropy always increases, but in quantum systems, traditional entropy measures seem constant. TU Wien researchers resolved this paradox by considering Shannon entropy, which accounts for the ...

The second law of thermodynamics demands that the entropy of any closed macroscopic system should never decrease. The laws of physics naturally drive systems towards states of increasing disorder ...

The second law of thermodynamics underpins all of classical reality. It is the reason why it's easier to make things messy, why you can’t have perpetual motion, why you age, and maybe even why time ...

Vanderbilt University physicist Lorenzo Gavassino isn't so sure this is as big an obstacle as time-traveler pessimists have ...

A fundamental rule that determines the fate of the universe The second law of thermodynamics means hot things always cool unless you do something to stop them. It expresses a fundamental and ...