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
Volta Cinematograph Volta Cinematograph The Volta Electric Theatre (later renamed the Lyceum Picture Theatre) was a film theatre in Dublin and was Ireland's first dedicated cinema. The site at 45 Mary Street was later demolished and is occupied today by a department store. In the early 1900s, demand for moving pictures was fierce and cinemas were springing up all over the world. After visiting Trieste, the writer James Joyce was determined to bring a cinema to Ireland, so after receiving the backing of his Italian friends, he set up the Cinematograph Volta on Mary Street. It opened its doors on 20 December