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Offutt Air Force Base
(Encyclopedia) Offutt Air Force Base, U.S. military installation, 1,907 acres (772 hectares), E Neb., S of Omaha; est. 1896 as Fort Crook, an army base. Converted to an airbase in the early 1900s and…nitrogen
(Encyclopedia) nitrogennitrogennīˈtrəjən [key], gaseous chemical element; symbol N; at. no. 7; interval in which at. wt. ranges 14.00643–14.00728; m.p. −209.86℃; b.p. −195.8℃; density 1.25 grams per…Brown, Walter Folger
(Encyclopedia) Brown, Walter FolgerBrown, Walter Folgerfōlˈjər [key], 1869–1961, American cabinet officer, b. Massillon, Ohio. A lawyer of Toledo, Ohio, he became prominent in Republican politics and…Bien Hoa
(Encyclopedia) Bien Hoa Bien Hoa bēĕnˈ wä [key], city, Vietnam, c.20 mi (30 km) NE of Ho Chi Minh City. It is famous…dust, atmospheric
(Encyclopedia) dust, atmospheric, minute particles slowly settling or suspended by slight currents and existing in varying amounts in all air. There is least dust at high levels over the ocean and…The Toxic 100: Top Corporate Air Polluters in the United States, 2010
This index identifies the top air polluters among corporations that appear in the Fortune 500, Forbes 500, and Standard & Poor's 500 lists of the country's largest firms.…Space Force, United States
(Encyclopedia) Space Force, United States (USSF), military force that forms a separate service within the U.S. Dept. of the Air Force, est. Dec. 20, 2019, by act of Congress. The head of the Space…sonic boom
(Encyclopedia) CE5 Sonic boom wave pattern from a supersonic aircraft and variation in pressure sonic boom, shock wave produced by an object moving through the air at supersonic speed, i.e.,…levitation
(Encyclopedia) levitationlevitationlĕvĭtāˈshən [key], the raising of a human or other body in the air without mechanical aid. The idea is ancient; holy men, both pagan and Christian, were reputed to…infant respiratory distress syndrome
(Encyclopedia) infant respiratory distress syndrome (IRDS) or hyaline membrane diseaseinfant respiratory distress syndromehīˈəlĭn, –līnˌ [key], respiratory distress syndrome of newborns, most common…Trending
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