This generator can produce measurable power from as little as a 5 degree temperature gradient, and will begin to self cool at approximately 300 degrees.

 

        I have been able to capture energy from melting snow, tea light candles, exhaust pipes, and even black metal in sunlight.

 

        It can charge cellphones, tablets, GPS units, cameras, and even AA batteries from nothing but a source of heat.

 

       For full build diagrams and schematics click this LINK to go to instructables.com

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