way trough
51Mississippi River — a major river of North America that flows from the US state of Minnesota to the Gulf of Mexico. It was called the ‘Father of Waters’ by Native Americans. It is 2 348 miles/3 778 kilometres long and passes the cities of Minneapolis, St Louis,… …
52holography — /heuh log reuh fee/, n. the process or technique of making holograms. [1795 1805; HOLO + GRAPHY] * * * Method of recording or reproducing a three dimensional image, or hologram, by means of a pattern of interference produced using a laser beam.… …
53Rogue wave — This article is about the deep ocean rogue waves which occur far out at sea. For tsunami and tidal wave phenomena, see those respective articles. For other uses, see Rogue wave (disambiguation). The Draupner wave, a single giant wave measured on… …
54Shortwave (meteorology) — A shortwave or shortwave trough is an embedded kink in the trough/ridge pattern. This is the opposite of longwaves, which are responsible for synoptic scale systems. Shortwaves are most frequently caused by either a cold pool or an upper level… …
55Great Depression — the economic crisis and period of low business activity in the U.S. and other countries, roughly beginning with the stock market crash in October, 1929, and continuing through most of the 1930s. * * * or Depression of 1929 Longest and most severe …
56Concentrated solar power — The PS10 Solar Power Plant concentrates sunlight from a field of heliostats onto a central solar power tower. Concentrated solar power (CSP) systems use mirrors or lenses to concentrate a large area of sunlight, or solar thermal energy, onto a… …
57Joseph Pomeroy Widney — (December 26, 1841 mdash; July 4, 1938) was a polymathic pioneer American physician, medical topographer, scholar educator, clergyman, entrepreneur philanthropist, proto environmentalist, prohibitionist, philosopher of religion, controversial… …
58Bradley Foundation — Infobox Company company name = Lynde and Harry Bradley Foundation company company type = Private charitable foundation foundation = 1985 location = Milwaukee, Wisconsin key people = Thomas L. Rhodes Chairman David V. Uihlein, Jr. Vice Chairman… …
59Glossary of nautical terms — This is a glossary of nautical terms; some remain current, many date from the 17th 19th century. See also Wiktionary s nautical terms, Category:Nautical terms, and Nautical metaphors in English. Contents: A B C D E F G H I J K L M N O P Q R …
60Red Sea — an arm of the Indian Ocean, extending NW between Africa and Arabia: connected to the Mediterranean by the Suez Canal. 1450 mi. (2335 km) long; 170,000 sq. mi. (440,300 sq. km); greatest depth, 7254 ft. (2211 m). * * * Narrow inland sea between… …
