energy conversion

Super Soaker Inventor Develops 60 Percent Efficient Solid-Sate Heat Engine - The Johnson Thermoelectric Energy Conversion System can achieve a conversion efficiency rate that tops 60 percent with a new solid-state heat engine. It uses temperature differences to create pressure gradients that are used to force ions through a membrane, instead of moving an axle or wheel. (PESWiki; Jan. 10, 2008) [Pure Energy Systems News]