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Frank, Ilya Mikhailovich

(Encyclopedia)Frank, Ilya Mikhailovich, 1908–90, Soviet physicist, Ph.D. Moscow State Univ., 1935. He was a professor at Moscow State Univ. from 1944 until his death in 1990. Mikhailovich and Igor Y. Tamm won the...

Hess, Victor Francis

(Encyclopedia)Hess, Victor Francis, 1883–1964, American physicist, b. Austria, Ph.D. Univ. of Graz, 1906. After teaching at the universities of Graz and Innsbruck, he came to the United States in 1938 and was lat...

Mieris

(Encyclopedia)Mieris mēˈrĭs [key], family of Dutch genre and portrait painters of Leiden. Frans van Mieris, 1635–81, the most important, was the son of a goldsmith and pupil of Gerard Dou. His tiny, meticulous...

vaudeville

(Encyclopedia)vaudeville vôdˈvĭl [key], originally a light song, derived from the drinking and love songs formerly attributed to Olivier Basselin and called Vau, or Vaux, de Vire. Similar to the English music ha...

luminescence

(Encyclopedia)luminescence, general term applied to all forms of cool light, i.e., light emitted by sources other than a hot, incandescent body, such as a blackbody radiator. Luminescence is caused by the movement ...

electroscope

(Encyclopedia)electroscope, device for detecting electric charge invented by Nollet in 1748. There are various types of electroscopes. The most common has a cylindrical metal case closed by two round, flat, glass f...

Dutch art

(Encyclopedia)Dutch art, the art of the region that is now the Netherlands. As a distinct national style, this art dates from about the turn of the 17th cent., when the country emerged as a political entity and dev...

magnetic resonance

(Encyclopedia)magnetic resonance, in physics and chemistry, phenomenon produced by simultaneously applying a steady magnetic field and electromagnetic radiation (usually radio waves) to a sample of atoms and then a...

microwave oven

(Encyclopedia)microwave oven, device that uses microwaves to rapidly cook food. The microwaves cause water molecules in the food to vibrate, producing heat, which is distributed through the food by induction. A spe...

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 ...