Perpetual motion—it's fun to say that. For some people, perpetual motion machines hold the secret to everlasting free energy that will save the world. To them, it's a machine that is just beyond ...

Leonardo da Vinci, back in 1494, said: Oh ye seekers after perpetual motion, how many vain chimeras have you pursued? Go and take your place with the alchemists. There was a rumor in the 8th ...

Almost as soon as humans created machines, they attempted to make "perpetual motion machines" that work on their own and that work forever. However, the devices never have and likely never will ...

Since we found out about energy, right up until the point we found out it violated the laws of physics, people have dreamed of creating a perpetual motion machine. Perpetual motion machines are ...