http://www.gammamanager.com/Th... uniquely configured rotating machine generates additional torque on the shaft when rotated through the magnetic field. Combined electrical/heat output exceeds input...
from the webmasterAlthough the device is efficient, in most all water heating applications it is difficult to economically justify a device. The company has moved...
http://www.overunity.com/index... Thrapp from WITS explaining his high overunity COP water heater, which just works on 1.62 Watts from a 9 Volts battery...