MR. SWINBURNE has directed attention to an obscure point in my letter of November 10 which is calculated to produce quite the contrary impression to what I intended. In defining available energy ...

I recently led a webinar on the laws of thermodynamics, which got me thinking: A business is very much a closed system, such as a universe. Therefore, if entropy is always increasing in a closed ...

There was some excitement last week about a Maxwell's-Demon-type experiment conducted by Shoichi Toyabe and collaborators in Japan. (Costly Nature Physics article here; free arxiv version here.) It's ...

FROM time to time controversies have appeared in various journals regarding that most difficult of all physical conceptions—entropy. I have purposely avoided passing any opinions as to the merits of ...