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facsimile

(Encyclopedia) facsimilefacsimilefăksĭmˈəlē [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…

lathe

(Encyclopedia) lathelathelāᵺ [key], machine tool for holding and turning metal, wood, plastic, or other material against a cutting tool to form a cylindrical product or part. It also drills, bores,…

McCormick, Cyrus Hall

(Encyclopedia) McCormick, Cyrus Hall, 1809–84, inventor of the reaper, b. Rockbridge co., Va. His father, Robert McCormick (1780–1846), had worked intermittently for over 20 years at his blacksmith…

Orsha

(Encyclopedia) OrshaOrshaôrˈshə [key], city (1989 pop. 123,128), NE Belarus, a port at the confluence of the Dnieper and Orshitsa rivers. One of Belarus's leading rail and water transport junctions…

bossism

(Encyclopedia) bossism, in U.S. history, system of political control centering about a single powerful figure (the boss) and a complex organization of lesser figures (the machine) bound together by…

programming language

(Encyclopedia) programming language, syntax, grammar, and symbols or words used to give instructions to a computer. Once the program is written and has had any errors repaired (a process called…

Langley, Samuel Pierpont

(Encyclopedia) Langley, Samuel Pierpont, 1834–1906, American scientist, b. Roxbury, Mass., received only a high school education but continued his studies in science in Boston libraries. He became,…

Backus, John Warner

(Encyclopedia) Backus, John Warner, 1924–2007, American computer scientist, b. Philadelphia, grad. Columbia (M.A. 1950). Trained as a mathematician, he was hired (1950) by IBM Corp. as a computer…

fluoroscope

(Encyclopedia) fluoroscopefluoroscopefl&oobreve;rˈəskōp [key], instrument consisting of an X-ray machine (see X ray) and a fluorescent screen that may be used by physicians to view the internal…

thermography

(Encyclopedia) thermographythermographythûrˌmŏgˈrəfē [key], contact photocopying process that produces a direct positive image and in which infrared rays are used to expose the copy paper. In a…