-3
votes
1answer
90 views

What is the physics behind this invention? [duplicate]

Could someone explain the physics behind this US patent ? The apparatus is supposed to generate electric energy from gravity. The idea of the invention is to use a trapdoor kind of mechanism to push ...
-3
votes
2answers
272 views

Infinite Energy from Bobbing

Could this device theoretically continue in motion forever? If not, why not? (click below for images): Device description. Device process. The device is less dense than air, so it rises. The ...
1
vote
1answer
2k views

“Troll physics”: Buoyancy for infinite power [duplicate]

Possible Duplicate: What is the fallacy in this infinite motion machine? Most of the "troll physics" images I can figure out, but this one has me stumped. What is broken about the following ...
27
votes
3answers
2k views

What is the fallacy in this infinite motion machine?

I realize this isn't possible, but I can't see why not, especially if you change the model a little bit so that the balls simply travel through a tube of water on the way up, rather than exactly ...