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Volta, Alessandro, Conte

(Encyclopedia)Volta, Alessandro, Conte älĕs-sänˈdrō kônˈtā vôlˈtä [key], 1745–1827, Italian physicist. He was professor of physics at the Univ. of Pavia from 1779 and became famous for his work in elec...

Cagliostro, Alessandro, Conte di

(Encyclopedia)Cagliostro, Alessandro, Conte di älĕs-sänˈdrō kōnˈtā dē kälyōˈstrō [key], 1743–95, Italian adventurer, magician, and alchemist, whose real name was Giuseppe Balsamo. After early misadve...

Volta, Lake

(Encyclopedia)Volta, Lake, Ghana: see Volta, river. ...

Manzoni, Alessandro

(Encyclopedia)Manzoni, Alessandro älās-sänˈdrō mändzôˈnē [key], 1785–1873, Italian novelist and poet. Taken in his youth to Paris by his mother in 1805, Manzoni embraced the deism that he was later to di...

Volta

(Encyclopedia)Volta vólˈtə [key], river, c.290 mi (470 km) long, formed in central Ghana, W Africa, by the confluence of the Black Volta (or Mouhon, c.840 mi/1,350 km long) and the White Volta (or Nakambe, c.450...

volt

(Encyclopedia)volt [for Alessandro Volta], abbr. V, unit of electric potential and electromotive force. It is defined as the difference of electric potential existing across the ends of a conductor carrying a const...

Haute-Volta

(Encyclopedia)Haute-Volta: see Burkina Faso.

Volta Redonda

(Encyclopedia)Volta Redonda vôlˈtä rĕdôNˈdä [key], city (1996 pop. 228,939), Rio de Janeiro state, E Brazil, on the Paraíba River. Its proximity to sources of hydroelectricity and basic raw materials and to...

Upper Volta

(Encyclopedia)Upper Volta: see Burkina Faso.

voltaic cell

(Encyclopedia)voltaic cell, a simple device with which chemical energy is converted into electrical energy. Two dissimilar metals (e.g., copper and zinc) are immersed in an electrolyte (e.g., a dissolved sulfate). ...