The Secret to Perpetual Hope

My Great Grandpa Roy Stonewall Johnson with his perpetual motion machine My great-grandfather, Roy Stonewall Johnson, a man of many talents— served in both the Army and the Navy, and a serious tinkerer. He had a dream, a wild one at that: to build a perpetual motion machine. You know, the kind that runs forever without needing any extra juice. A machine that could power your car without gas, light your home without bills. Sounds like a sci-fi dream, right? Humans have been chasing this dream since the Middle Ages. So my great-grandfather was not alone in his desire to make such a machine. Imagine, a device that defies the need for external energy! The possibilities are mind-boggling. But, as my great-grandfather likely discovered, there's a tiny, or rather, a huge problem: the laws of thermodynamics. Those pesky laws, the first and second, tell us that in a closed system, energy inevitably dissipates. Kinetic energy, the energy...