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Waves

(Encyclopedia)Waves (Women Appointed for Voluntary Emergency Service), U.S. navy organization, created (1942) in World War II to release male naval personnel for sea duty. The organization was commanded until 1946 ...

sneeze

(Encyclopedia)sneeze, involuntary violent expiration of air through the nose and mouth. It results from stimulation of the nervous system in the nose, causing sudden contraction of the muscles of expiration. The st...

Bernoulli's principle

(Encyclopedia)CE5 Bernoulli's principle Bernoulli's principle, physical principle formulated by Daniel Bernoulli that states that as the speed of a moving fluid (liquid or gas) increases, the pressure within th...

Indian Ocean

(Encyclopedia)Indian Ocean, third largest ocean, c.28,350,000 sq mi (73,427,000 sq km), extending from S Asia to Antarctica and from E Africa to SE Australia; it is c.4,000 mi (6,400 km) wide at the equator. It con...

mackerel

(Encyclopedia)mackerel, common name for members of the family Scombridae, open-sea fishes including the albacore, bonito, and tuna. They are characterized by deeply forked tails that narrow greatly where they join ...

Kajita, Takaaki

(Encyclopedia)Kajita, Takaaki 1959–, Japanese physicist, Ph.D. Univ. of Tokyo, 1986. In 1988 he joined the faculty at the Univ. of Tokyo, where he is now professor and director of the Institute for Cosmic Ray Res...

McDonald, Arthur Bruce

(Encyclopedia)McDonald, Arthur Bruce, 1943–, Canadian astrophysicist, Ph.D. California Institute of Technology, 1969. McDonald was a researcher at the Chalk River Nuclear Laboratories in Ottawa, Canada, from 1970...

Ames, Ezra

(Encyclopedia)Ames, Ezra, 1768–1836, American painter, b. Framingham, Mass. Early in his life he worked as a carriage painter, miniaturist, engraver, and decorator, first in Worcester, Mass., and later in Albany,...

Kurapaty

(Encyclopedia)Kurapaty, wooded area, northern outskirts of Minsk, Belarus, site of the execution of thousands of Belarussians and others by Soviet secret police between 1937 and 1941. The official count of those ex...

suspension, in chemistry

(Encyclopedia)suspension, in chemistry, mixture of two substances, one of which is finely divided and dispersed in the other. Common suspensions include sand in water, fine soot or dust in air, and droplets of oil ...