Can quantum systems become more disordered, as thermodynamics would predict? Yes, they can - if a proper definition of "entropy" is used. It is one of the most important laws of nature that we know: ...

Professor Brian Cox explains the concept of entropy and the arrow of time. He uses a pile of sand to explain how entropy is the measure of how many ways in which something can be rearranged. He then ...

Entropy is the process of losing energy and this can apply to physics and social systems alike. JamesBrey/iStock via Getty Images Life is full of small decisions: Should I pick up that sock on the ...

This is a preview. Log in through your library . Abstract This article considers the Gibbs paradox and its implications for three definitions of entropy in statistical mechanics: (i) the “classical” ...

THERE is, I fear, a difficulty in drafting Prof. Bryan's definition so as to be clear as well as accurate. This arises when the definition is first given with reference to the entropy of the working ...

Gravity is the most familiar of nature’s forces. It keeps our feet planted on the ground and dictates the movements of planets and stars. Yet, even so, gravity remains one of the greatest mysteries in ...

What occurs when you subject a metal renowned for its stability, blast it with a laser pulse only 45 femtoseconds in duration, and heat it to 19,000 kelvins but it won’t melt? Physicists had long ...