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Texas, University of

(Encyclopedia)Texas, University of, main campus at Austin; coeducational; state supported; chartered 1881, opened 1883. Medical facilities include health science centers with medical schools at Houston and San Anto...

Krausz, Ferenc

(Encyclopedia)Ferenc Krausz, 1962– , b. Mór, Hungary, Hungarian physicist, studied at Eötvös Loránd University and Technical University of Budapest in Hungary ...

electrodynamics

(Encyclopedia)electrodynamics, study of phenomena associated with charged bodies in motion and varying electric and magnetic fields (see charge; electricity); since a moving charge produces a magnetic field, electr...

photoelectric effect

(Encyclopedia)photoelectric effect, emission of electrons by substances, especially metals, when light falls on their surfaces. The effect was discovered by H. R. Hertz in 1887. The failure of the classical theory ...

radiometer

(Encyclopedia)radiometer rāˌdēŏmˈətər [key], instrument for detection or measurement of electromagnetic radiation; the term is applied in particular to devices used to measure infrared radiation. One of the ...

commutation of sentence

(Encyclopedia)commutation of sentence, in criminal law, reduction of a sentence for a criminal act by action of the executive head of the government. Like pardon, commutation of sentence is a matter of grace, not o...

Von Neumann, John

(Encyclopedia)Von Neumann, John noiˈmän [key], 1903–57, American mathematician, b. Hungary, Ph.D. Univ. of Budapest, 1926. He came to the United States in 1930 and was naturalized in 1937. He taught (1930–33)...

mechanics

(Encyclopedia)mechanics, branch of physics concerned with motion and the forces that tend to cause it; it includes study of the mechanical properties of matter, such as density, elasticity, and viscosity. Mechanics...

laser

(Encyclopedia)CE5 Ordinary light sources produce incoherent light, while a laser produces a beam of coherent light. laser [acronym for light amplification by stimulated emission of radiation], device for the cr...

nuclear physics

(Encyclopedia)nuclear physics, study of the components, structure, and behavior of the nucleus of the atom. It is especially concerned with the nature of matter and with nuclear energy. ...