It reminds me of the Steorn / Orbo free energy machine. They were so confident they bought a whole page ad in the Economist and setup a public demo of their dev

It reminds me of the Steorn / Orbo free energy machine. They were so confident they bought a whole page ad in the Economist and setup a public demo of their device. At some point, you don't know if they are scammers or if they have deluded themselves so hard they believe it.