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General Science / Re: Is it possible to convert electric energy into light energy then back?

« on: 23/03/2016 18:36:06 »

I know that it is possible to convert the energy from heat to electrical energy, but I don't know anything about the conversion of light energy to electrical energy besides the use of photovoltaic panels to convert solar energy.

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General Science / Is it possible to convert electric energy into light energy then back?

« on: 23/03/2016 18:23:50 »

Basically I am wondering if it is possible to convert light into electrical energy, and I'm not talking about solar energy. I'm talking about any form of light. If so, how?