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
Massimo Volta Massimo Volta Massimo Volta (born 14 May 1987) is an Italian footballer who plays as a defender for Serie B club Benevento, on loan from Perugia. Volta started his career with minor league club Carpenedolo. In January 2007 Volta was signed by Sampdoria in co-ownership deal for €200,000 in 4½ year contract. Volta spent rest of 2006–07 Serie C2 season with Carpenedolo. During 2007–08 season Parma bought Carpenedolo's stake for €200,000. Volta spent his 2007–08 season with the third division club Foligno. In June 2008 Parma and Sampdoria renewed the co-ownership deal. Volta moved up one level again and played