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Fort Walton Beach

(Encyclopedia)Fort Walton Beach, city (2020 pop. 20,922), Okaloosa co., NW Fla., on the Gulf of Mexico; inc. 1941. It is a year-round beach and fishing resort east of...

hardpan

(Encyclopedia)hardpan, condition of the soil or subsoil in which the soil grains become cemented together by such bonding agents as iron oxide and calcium carbonate, forming a hard, impervious mass. It is disadvant...

Heimlich maneuver

(Encyclopedia)Heimlich maneuver, emergency procedure used to treat choking victims whose airway is obstructed by food or another substance. It forces air from the lungs through the windpipe, pushing the obstruction...

kamikaze

(Encyclopedia)kamikaze käˌməkäˈzē [key] [Jap.,=divine wind], the typhoon that destroyed Kublai Khan's fleet, foiling his invasion of Japan in 1281. In World War II the term was used for a Japanese suicide air...

Bates, H. E.

(Encyclopedia)Bates, H. E. (Herbert Ernest Bates), 1905–74, English author, b. Rushden, Northamptonshire. During World War II he served with the Royal Air Force. A good storyteller, Bates had the ability to rende...

thallium

(Encyclopedia)thallium thălˈēəm [key], metallic chemical element; symbol Tl; at. no. 81; interval in which at. wt. ranges 204.382–204.385; m.p. 303.5℃; b.p. about 1,457℃; sp. gr. 11.85 at 20℃; valence +...

Gonzales, Alberto R.

(Encyclopedia)Gonzales, Alberto R. gŏnzălˈĭs [key], 1955–, American government official, b. San Antonio, Tex. After serving in the Air Force (1973–75), he attended the Air Force Academy and graduated from R...

Oklahoma City

(Encyclopedia)Oklahoma City (1990 pop. 444,719), state capital, and seat of Oklahoma co., central Okla., on the North Canadian River; inc. 1890. The state's largest city, it is an important livestock market, a whol...

space law

(Encyclopedia)space law, agreements governing the exploration and use of outer space, developed since the first launching (1957) by humans of a satellite into space. Space law, an aspect of international law, has g...

pitot static system

(Encyclopedia)pitot static system pētōˈ [key], device for measuring the rate at which a fluid flows. Among the principal applications of the device are an airspeed indicator for aircraft and a distance and speed...