Photovoltaics years in Northern Europe. The term "photovoltaic" comes from the Greek φῶς ("phōs") meaning "light", and from "volt", the unit of electro-motive force, the volt, which in turn comes from the last name of the Italian physicist Alessandro Volta, inventor of the battery (electrochemical cell). The term "photo-voltaic" has been in use in English since 1849. Photovoltaics are best known as a method for generating electric power by using solar cells to convert energy from the sun into a flow of electrons by the photovoltaic effect. Solar cells produce direct current electricity from sunlight which can be used to power
History of Italian culture (1700s) was significantly reduced, and it was a period of great thought and invention, with scientists such as Alessandro Volta and Luigi Galvani discovering new things and greatly contributing to Western science. Cesare Beccaria was also one of the greatest Italian Enlightenment writers, who was famous for his masterpiece "Of Crimes and Punishments" (1764), which was later translated into 22 languages. In it, Beccaria put forth some of the first modern arguments against the death penalty. His treatise was also the first full work of penology, advocating reform of the criminal law system. The book was the first full-scale work to