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Photovoltaic Panels Manufacturers

Margaret Said:

somebody knows abouit the panel producing electric from heat.?

We Answered:

I heard of a way of producing an electric courant by heating on side of a PN jonction made of two different type of metal.
I also saw a alcool lamp with a collier all around that was producing enough electricity for a radio, that was realy long time ago ( may be 60 years ), that collier was made with near an hundred piece of two metal in alternance, and each jonction was a thermal diode.

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