In contrast, prunes' reputation for being rich in iron doesn't hold true. In reality, they're a decent, but not spectacular, source. Prunes, however, get overlooked as a source of vitamin A, even though they provide more than ten percent of recommended levels.
Solar cell. A solar cell, or photovoltaic cell (previously termed solar battery), is an electrical device that converts the energy of light directly into electricity by the photovoltaic effect, which is a physical and chemical phenomenon.
Photovoltaic Cells: Converting Photons to Electrons Prev NEXT Â­Â­The solar cells that you see on calculators and satellites are also called photovoltaic (PV) cells, which as the name implies (photo meaning light and voltaic meaning electricity), convert sunlight directly into electricity.