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Darda

(Encyclopedia)Darda därˈdə [key], in the Bible, wise man. Apparently the same man as Dara. ...

Hooten, Earnest Albert

(Encyclopedia)Hooten, Earnest Albert ho͞oˈtən [key], 1887–1954, American anthropologist, b. Clemansville, Wis.; grad. Lawrence College, 1907, Ph.D. Univ. of Wisconsin, 1911, Rhodes scholar, 1910–13. He began...

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...

Mackenzie, Henry

(Encyclopedia)Mackenzie, Henry, 1745–1831, English author, b. Scotland. He had an active political and legal life, serving as comptroller of taxes for Scotland from 1804 until his death. His first and most famous...

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...

Mona, island, Great Britain

(Encyclopedia)Mona, Roman name for the island of Anglesey, Wales. It was also sometimes used to designate the Isle of Man. ...

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...