When Nature plays Skee-ball: the meaning of free energy

The goal of physics is to predict the future. Usually, practitioners of physics limit themselves to addressing only the most simple and precisely-stated questions, like “if I throw a ball upward, how long will it take to come back down?”, or “if I apply 10 volts across a piece of metal, how much current will … Continue reading When Nature plays Skee-ball: the meaning of free energy