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fluidics

(Encyclopedia)fluidics, branch of engineering and technology concerned with the development of equivalents of various electronic circuits using movements of fluid rather than movements of electric charge. The basic...

Ibaraki

(Encyclopedia)Ibaraki ēbäˈräkē [key], prefecture, 2,352 sq mi (6,092 sq km), central Honshu, Japan. ...

Westinghouse, George

(Encyclopedia)Westinghouse, George, 1846–1914, American inventor and manufacturer, b. Central Bridge, N.Y. In the Civil War he served in the Union army and navy. Among his inventions in the railroad field were a ...

Wernigerode

(Encyclopedia)Wernigerode vĕrnēgərōˈdə [key], city (1994 pop. 36,905), Saxony-Anhalt, central Germany, at the northern foot of the Harz Mts. It is an industrial city, a tourist center, and an important road a...

impedance

(Encyclopedia)impedance, in electricity, measure in ohms of the degree to which an electric circuit resists the flow of electric current when a voltage is impressed across its terminals. Impedance is expressed as t...

electroconvulsive therapy

(Encyclopedia)electroconvulsive therapy in psychiatry, treatment of mood disorders by means of electricity; the broader term “shock therapy” also includes the use of chemical agents. The therapeutic possibiliti...

facsimile

(Encyclopedia)facsimile făksĭmˈəlē [key] or fax, in communications, system for transmitting pictures or other graphic matter by wire or radio. Facsimile is used to transmit such materials as documents, telegra...

Ludwigshafen am Rhein

(Encyclopedia)Ludwigshafen am Rhein lo͞otˌvĭkhs-häˈfən äm rīn [key] or Ludwigshafen, city (1994 pop. 168,130), Rhineland Palatinate, W Germany, a port on the left bank of the Rhine River. It is connected by...

Gurugram

(Encyclopedia)Gurugram, formerly Gurgaon gûrˈgoun [key], city, Haryana state, N India, 15 mi (24 km) ...

horseshoe

(Encyclopedia)horseshoe, narrow plate, commonly of iron or steel, shaped to fit a horse's hoof and attached to the hoof by nailing it to the inner edge of the horny wall of the hoof. Horseshoes vary from the light ...