YES, THERE HAVE BEEN PATENTED FLYING SAUCERS. With a propulsion system that will never run out of "fuel", because the "fuel" comes out of the Quantum, and an independent gravitational system where "up" is always the ceiling, and "down" is always the floor for the people inside. This is called "Electrogravitics". The concept has been around since the 1970's. It almost easy to make. It is based on the concept that high voltage - interrupted, will cause movement.