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Cormack, Allan MacLeod

(Encyclopedia)Cormack, Allan MacLeod məkloudˈ, côrˈmək [key], 1924–98, American physicist, b. Johannesburg, South Africa. After studying at the Univ. of Cape Town (B.S. physics, 1944, M.S. crystallography, 1...

Rages

(Encyclopedia)Rages rāˈjē [key], ancient and medieval city of Persia, located on the site of modern-day Ray, N Iran, a suburb of Tehran. Rages is mentioned in the Avesta and in the inscriptions at Behistun. Beca...

Bigfoot

(Encyclopedia)Bigfoot or Sasquatch, large apelike creature reportedly sighted hundreds of times in the United States and Canada (most often in the Pacific Northwest) since the mid-19th cent. Similar to Asia's abomi...

radiation

(Encyclopedia)radiation rāˌdēāˈshən [key], term applied to the emission and transmission of energy through space or through a material medium and also to the radiated energy itself. In its widest sense the te...

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...

Avogadro's number

(Encyclopedia)Avogadro's number ävōgäˈdrō [key] [for Amedeo Avogadro], number of particles contained in one mole of any substance; it is equal to 602,252,000,000,000,000,000,000, or in scientific notation, 6.0...

spinal puncture

(Encyclopedia)spinal puncture, surgical penetration of the spinal canal by a hollow needle introduced between two of the lumbar vertebrae. The arrangement permits injection of antibiotics or anesthetics (see anesth...

Candela, Felix

(Encyclopedia)Candela, Felix (Félix Candela Outeriño) fāˈlēks kändāˈlä [key], 1910–97, Mexican-American architect, b. Madrid. Candela studied in Madrid but was forced to flee Spain after his participatio...

observatory

(Encyclopedia)observatory, scientific facility especially equipped to detect and record naturally occurring scientific phenomena. Although geological and meteorological observatories exist, the term is generally ap...

Lansing

(Encyclopedia)Lansing. 1 Village (1990 pop. 28,086), Cook co., NE Ill., a suburb of Chicago, near the Ind. line; inc. 1893. Among the city's industries are meatpacking, food processing, and the manufacture of metal...