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Solar-powered calculator

Solar-powered calculator

C002/5040

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Credit

TREVOR CLIFFORD PHOTOGRAPHY / SCIENCE PHOTO LIBRARY TREVOR CLIFFORD PHOTOGRAPHY / SCIENCE PHOTO LIBRARY

Caption

Solar-powered calculator. This calculator uses a photovoltaic cell (gold upper centre) to convert sunlight into electrical energy which it uses to power itself. When incident light falls onto the cell a voltage is produced across the surface. Solar-powered calculators are often also equipped with batteries as a back up.

Release details

Model release not available. Property release not required.

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