I'm thinking about perpetual motion..
|1||New perpetual motion machine uses air pressure||01/06/15|
|2||MIT professor checks out a perpetual motion machine - MUST PIN!||02/08/08|
|3||Solved: Engineering Edward Leedskalnins Perpetual motion so that it has perpetual power too||05/12/12|
|4||Are perpetual motion machines possible?||10/15/13|
|5||Perpetual Motion might be real after all||05/01/13|