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weather satellite

(Encyclopedia) weather satellite, artificial satellite used to gather data on a global basis for improvement of weather forecasting. Information includes cloud cover, storm location, temperature, and…

ephemeris

(Encyclopedia) ephemerisephemerisĭfĕmˈərĭs [key] (pl., ephemerides), table listing the position of one or more celestial bodies for each day of the year. The French publication Connaissance de Temps…

Mimir

(Encyclopedia) MimirMimirmēˈmĭr [key], in Norse mythology, giant who guarded the well of wisdom. According to one legend Mimir was beheaded by the enemies of the gods of Asgard; his head was then…

Knight, Charles

(Encyclopedia) Knight, Charles, 1874–1953, American artist, b. New York City. Knight painted and sculpted animal subjects. He is best known for his murals at the American Museum of Natural History,…

modulation, in communications

(Encyclopedia) CE5 Modulation modulation, in communications, process in which some characteristic of a wave (the carrier wave) is made to vary in accordance with an information-bearing signal…

Munich, Technical University of

(Encyclopedia) Munich, Technical University of, at Munich, Germany; founded 1868 by King Ludwig II, acquired its present name 1970. It has three main campuses, with faculties of architecture,…

Kennan, George

(Encyclopedia) Kennan, George, 1845–1924, American authority on Siberia, b. Norwalk, Ohio. In 1864 he made the first of his journeys to East Asia as an engineer. His articles on Siberia, for many…

Perth, James Eric Drummond, 16th earl of

(Encyclopedia) Perth, James Eric Drummond, 16th earl of, 1876–1951, British diplomat. He was the first secretary-general of the League of Nations (1919–33) and ambassador to Rome (1933–39) and served…

packaging

(Encyclopedia) packaging, containment and packing prior to sale with the primary purpose of facilitating the purchase and use of a product. Before 1800 packaging was restricted almost entirely to…