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 ...

So while we recommend you take the health benefits of salt lamps with a grain of, um, salt, the lamps still make for beautiful additions to any home.

José María Martín Olalla, a professor at the University of Seville, has published an article in the journal The European Physical Journal Plus in which he solves a problem that arose 120 years ...