The creator, Lutec, says it's a "highly efficient means of generating electricity," but to many it'll look like just another rotary magnet-style perpetual motion machine. From their videos, it doesn't even seem a particularly elegant one.From Lutec's website, it appears to be an investment scheme, with many appeals to buy shares. The most interesting claim in pursuit of that goal is that no physicist or engineer has ever looked at their figures and said it doesn't work. Enter BBG commenter Mac, who claims he's an engineer who has looked at Lutec's numbers and says it doesn't work.