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flute
(Encyclopedia)flute, in music, generic term for such wind instruments as the fife, the flageolet, the panpipes, the piccolo, and the recorder. The tone of all flutes is produced by an airstream directed against an ...Poulsen, Valdemar
(Encyclopedia)Poulsen, Valdemar välˈdəmär poulˈsən [key], 1869–1942, Danish electrical engineer. He invented (1898) the telegraphone (an early wire recorder) and the high-frequency Poulsen arc used in wirel...ceilometer
(Encyclopedia)ceilometer sēlŏmˈĭtər [key], in aviation and meteorology, automatic instrument used to record ceiling, i.e., the altitude of the lowest cloud layer covering more than half of the sky. The ceilome...bias, in electricity
(Encyclopedia)bias, a voltage, current, or other input applied to a device or system as a reference or to set its conditions of operation. A bias is usually steady but may vary with time, usually within a fixed and...Ussachevsky, Vladimir
(Encyclopedia)Ussachevsky, Vladimir vlədyēˈmĭr o͞osəchĕfˈskē [key], 1911–90, Russian-American composer, b. Manchuria. Ussachevsky emigrated to the United States in 1931 and studied at the Eastman School....electronic music
(Encyclopedia)electronic music or electro-acoustic music, term for compositions that utilize the capacities of electronic media for creating and altering sounds. Initially, a distinction must be made between the te...Knight, Sarah Kemble
(Encyclopedia)Knight, Sarah Kemble, 1666–1727, American teacher, b. Boston. She was known as Madam Knight in connection with her writing school and her work as a recorder of public documents. Her famous Private J...Novoselov, Sir Konstantin Sergeevich
(Encyclopedia)Novoselov, Sir Konstantin Sergeevich, 1974–, Russian-British physicist, Ph.D. Univ. of Nijmegen, Netherlands, 2004. He has been a research associate at the Univ. of Manchester, England, since 2001. ...Turing machine
(Encyclopedia)Turing machine, a mathematical model of a device that computes via a series of discrete steps and is not limited in use by a fixed maximum amount of data storage. Introduced by the British mathematici...Geim, Sir Andre Konstantinovich
(Encyclopedia)Geim, Sir Andre Konstantinovich, 1958–, Russian-born Dutch physicist, Ph.D. Russian Academy of Sciences, 1987. He was a professor at the Univ. of Nijmegen in the Netherlands from 1994 to 2001, when ...Browse by Subject
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