From the Why Not Files
It has been labeled a fools folly, and really, what other kinds of follies are there? No, I am not talking about a political candidate that can make everyone happy, but I might as well be. Perpetual motion has been the goal of many an enterprising inventor, but alas, all schemes fall prey to the laws of physics. Heat and frictional losses bleed away the energy needed to spin a wheel into perpetuity. Even if you were to build something that would power itself, then what is it good for? You can’t... Sign in to see full entry.