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Priestley, Joseph
(Encyclopedia)Priestley, Joseph, 1733–1804, English theologian and scientist. He prepared for the Presbyterian ministry and served several churches in England as pastor but gradually rejected orthodox Calvinism a...Industrial Revolution
(Encyclopedia)Industrial Revolution, term usually applied to the social and economic changes that mark the transition from a stable agricultural and commercial society to a modern industrial society relying on comp...radar
(Encyclopedia)radar, system or technique for detecting the position, movement, and nature of a remote object by means of radio waves reflected from its surface. Although most radar units use microwave frequencies, ...Edinburgh
(Encyclopedia)Edinburgh ĕdˈĭnbərə [key], city (2021 pop. 542,599) and council area, royal burgh, capital of ...steamship
(Encyclopedia)steamship, watercraft propelled by a steam engine or a steam turbine. Despite such innovations as turbo-electric drive, which converts steam energy into rotational power for turning the propeller...power, electric
(Encyclopedia)power, electric, energy dissipated in an electrical or electronic circuit or device per unit of time. The electrical energy supplied by a current to an appliance enables it to do work or provide some ...ecology
(Encyclopedia)ecology, study of the relationships of organisms to their physical environment and to one another. The study of an individual organism or a single species is termed autecology; the study of groups of ...Muhammad, prophet of Islam
(Encyclopedia)Muhammad məhămˈəd [key] [Arab.,=praised], 570?–632, the name of the Prophet of Islam, one of the great figures of history, b. Mecca. The traditions concerning Muhammad's life, deeds, and sa...comic strip
(Encyclopedia)comic strip, combination of cartoon with a story line, laid out in a series of pictorial panels across a page and concerning a continuous character or set of characters, whose thoughts and dialogues a...Scotland
(Encyclopedia)Scotland, political division of Great Britain (2011 pop. 5,295,000), 30,414 sq mi (78,772 sq km), comprising the northern portion of the island of Great Britain and many surrounding islands. Scotland ...Browse by Subject
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