- Both true and false. True part: if any of the wording appears to eXplicitly imply perpetual motion, the app is denied. False part: if the wording talks about extracting energy from or by using exotic and unproven techniques like Heisenbergian transformation of Casmir energies. Or some such more opaque and mumbo-jumbo. I remember seeing some in this class. In fact, one seemed to be an extension of a cold fusion system.