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.
1 3 Solar cells are made from silicon boules, polycrystalline structures that have the atomic structure of a single crystal. 2  The most commonly used process for creating the boule is called the Czochralski method.