Conservation of energy isn’t just a good idea: It is the law. In particular, it is the first law of thermodynamics. But, apparently, a lot of people don’t really get that because history is replete ...

Perhaps the most persistent nonsense in physics: the perpetual motion machine. Bad ideas come and go in physics. But there’s one bit of nonsense that is perhaps more persistent than all others: the ...

Alright, folks, time to set your clocks for another trip into comic book absurdity. This Wednesday, June 19th, no doubt timed to the day with a hint of cosmic irony, Dudley Datson and the Forever ...

The holy grail of scientific inquiry in the Middle Ages was the perpetual motion machine. Was it possible to create a mechanical apparatus that could run—forever—without any external power source? One ...