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furnace

(Encyclopedia)furnace, enclosed space for the burning of fuel. There are many kinds of furnaces, the type depending upon the fuel and the use to which the heat produced within it is put. Most familiar are the furna...

electrostatics

(Encyclopedia)electrostatics, study of phenomena associated with charged bodies at rest (see charge; electricity). A charged body has an excess of positive or negative charges, a condition usually brought about by ...

baroque, in art and architecture

(Encyclopedia)baroque bərōkˈ [key], in art and architecture, a style developed in Europe, England, and the Americas during the 17th and early 18th cent. The baroque style is characterized by an emphasis on unity...

electrolysis

(Encyclopedia)CE5 Electrolysis: In a typical reaction electrodes are placed in a solution of hydrogen chloride, HCl, which contains both hydrogen and chlorine ions. The battery removes electrons from the anode, ...

Magog, in the Bible

(Encyclopedia)Magog māˈgŏg [key], in the Bible. 1 Son of Japheth. 2 The land from which Gog, the eschatological enemy of the people of God, comes to wreak havoc on Israel. ...

circuit breaker

(Encyclopedia)circuit breaker, electric device that, like a fuse, interrupts an electric current in a circuit when the current becomes too high. The advantage of a circuit breaker is that it can be reset after it h...

Gramme, Zénobe-Théophile

(Encyclopedia)Gramme, Zénobe-Théophile zānôbˈ tāôfēlˈ gräm [key], 1826–1901, Belgian electrical engineer. While working as a model maker for a Parisian manufacturer of electrical devices, Gramme became ...

light

(Encyclopedia)light, visible electromagnetic radiation. Of the entire electromagnetic spectrum, the human eye is sensitive to only a tiny part, the part that is called light. The wavelengths of visible light range ...

Ely, Isle of

(Encyclopedia)Ely, Isle of, region, Cambridgeshire, E central England. Ely is the chief town. The region has extensive fens, drained and devoted to the cultivation of sugar beets and vegetables. Pigs and poultry ar...

Simon Magus

(Encyclopedia)Simon Magus māˈgəs [key], Samaritan sorcerer who attempted to buy spiritual power from the apostles. From this comes the term simony. He is mentioned in the Acts of the Apostles. He was said to hav...