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Dolby, Ray Milton

(Encyclopedia)Dolby, Ray Milton, 1933–2013, American inventor, audio engineer, and corporate executive, B.S. Stanford, 1957, Ph.D. Cambridge, 1961. While a teenager, he worked for Ampex Corp. (1949–57), helping...

ray, in zoology

(Encyclopedia)ray, extremely flat-bodied cartilaginous marine fish, related to the shark. The pectoral fins of most rays are developed into broad, flat, winglike appendages, attached all along the sides of the head...

Baker, Ray Stannard

(Encyclopedia)Baker, Ray Stannard, pseud. David Grayson, 1870–1946, American author, b. Lansing, Mich., grad. Michigan State College (now Michigan State Univ.), 1889. At first a Chicago newspaper reporter, he joi...

Wilbur, Ray Lyman

(Encyclopedia)Wilbur, Ray Lyman, 1875–1949, American public official and educator, b. Boonesboro, Iowa, grad. Stanford (B.A., 1896; M.A., 1897) and Cooper Medical College, San Francisco, 1899. After studying medi...

pulsar

(Encyclopedia)pulsar, in astronomy, a neutron star that emits brief, sharp pulses of energy instead of the steady radiation associated with other natural sources. The study of pulsars began when Antony Hewish and h...

electric fish

(Encyclopedia)electric fish, name for various fish that produce electricity by means of organs usually developed from modified muscle tissue. The electric eels of South America are freshwater knifefish unrelated to...

sextant

(Encyclopedia) CE5 Sextant sextant, instrument for measuring the altitude of the sun or another celestial body; such measurements can then be used to determine the observer's geographical position or for other n...

gamma radiation

(Encyclopedia)gamma radiation, high-energy photons emitted as one of the three types of radiation resulting from natural radioactivity. It is the most energetic form of electromagnetic radiation, with a very short ...

Man, Isle of

(Encyclopedia)Man, Isle of, island and dependency of the British crown (2015 est. pop. 83,000), 227 sq mi (588 sq km), off Great Britain, in the Irish Sea. The coast is rocky with precipitous cliffs; the Calf of Ma...
 

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