Q talked about "free energy" and in case you think that it is a far fetched, way in the future idea........ I purchased this from Quantum Magnetics in Early December, it has been running continuously ever since, without a battery or external power source... https://www.youtube.com/watch?v=ruh-5w0yIa8  they are working on some very remarkable technology that's current, not far in the future .. https://www.quantamagneticstore.com/