Solar Power - Vogel, Julia
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A solar panel is made of many small squares called photovoltaic cells. The earliest photovoltaic cells were less than 1 percent efficient. Find out more about this sustainable form of energy in Solar Power.

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Produktbeschreibung
A solar panel is made of many small squares called photovoltaic cells. The earliest photovoltaic cells were less than 1 percent efficient. Find out more about this sustainable form of energy in Solar Power.