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Volga-Baltic Waterway
(Encyclopedia) Volga-Baltic Waterway, canal and river system, c.685 mi (1,100 km) long, N European Russia. It links the Volga River and the St. Petersburg industrial area. It consists of the Moscow-…Cozens, Alexander
(Encyclopedia) Cozens, AlexanderCozens, Alexanderkŭzˈənz [key], c.1717–1786, English draftsman and writer, b. Russia. Cozens is thought to have been the first principal English master to work…Zagros
(Encyclopedia) ZagrosZagroszăgˈrŏs [key], mountain system of W Iran, extending c.1,100 mi (1,770 km) from the Turkish-Armenian frontier SE to the Strait of Hormuz, forming the western and southern…Brace, Charles Loring
(Encyclopedia) Brace, Charles Loring, 1826–90, American clergyman and social reformer, b. Litchfield, Conn. America's pioneer children's advocate, he founded (1853) the Children's Aid Society of New…digital radio
(Encyclopedia) digital radio, audio broadcasting in which an analog audio signal is converted into a digital signal before being transmitted; also known as digital audio broadcasting (DAB) and high-…Alpha Centauri
(Encyclopedia) Alpha CentauriAlpha Centauriălˈfə sĕntôrˈē [key], brightest star in the constellation Centaurus and 3d-brightest star in the sky; also known as Rigil Kent or Rigil Kentaurus; 1992…federal government
(Encyclopedia) federal government or federation, government of a union of states in which sovereignty is divided between a central authority and component state authorities. A federation differs from…satellite, artificial
(Encyclopedia) CE5 A. Nimbus weather satellite B. Syncom communications satellite satellite, artificial, object constructed by humans and placed in orbit around the earth or other celestial body…Sperry, Elmer Ambrose
(Encyclopedia) Sperry, Elmer Ambrose, 1860–1930, American inventor, b. Cortland, N.Y. Although probably best known for his work on the gyroscope, he also invented the gyrocompass (1910), an extremely…radar
(Encyclopedia) radar, system or technique for detecting the position, movement, and nature of a remote object by means of radio waves reflected from its surface. Although most radar units use…Trending
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