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energy, sources of

(Encyclopedia)energy, sources of, origins of the power used for transportation, for heat and light in dwelling and working areas, and for the manufacture of goods of all kinds, among other applications. The develop...

magnetism

(Encyclopedia)CE5 Lines of induction around a single bar magnet and between opposite poles of different magnets magnetism, force of attraction or repulsion between various substances, especially those made of i...

rocket, in aeronautics

(Encyclopedia)CE5 Relative positions of the components of the Saturn V rocket, the U.S. space vehicle used in the moon missions rocket, any vehicle propelled by ejection of the gases produced by combustion of s...

liquefaction

(Encyclopedia)liquefaction, change of a substance from the solid or the gaseous state to the liquid state. Since the different states of matter correspond to different amounts of energy of the molecules making up t...

Library of Congress

(Encyclopedia)Library of Congress, national library of the United States, Washington, D.C., est. 1800. It occcupies three buildings on Capitol Hill: The Thomas Jefferson Building (1897), the John Adams Building (19...

Diaghilev, Sergei Pavlovich

(Encyclopedia)Diaghilev, Sergei Pavlovich syĭrgāˈ pävˈləvĭch dyäˈgĭlyĭf [key], 1872–1929, Russian ballet impresario and art critic, grad. St. Petersburg Conservatory of Music, 1892. In 1898 he founded ...

Degas, Edgar

(Encyclopedia)Degas, Edgar (Hilaire Germain Edgar Degas) ēlĕrˈ zhĕrmăNˈ ĕdgärˈ dəgäˈ [key], 1834–1917, French painter and sculptor, b. Paris; son of a banker. Although prepared for the law, he abandon...

Allen, Woody

(Encyclopedia)Allen, Woody, 1935–, American actor, writer, and director, one of contemporary America's leading filmmakers, b. Brooklyn, N.Y., as Allen Stewart Konigsberg. Allen began his career writing for televi...

sewing machine

(Encyclopedia)sewing machine, device that stitches cloth and other materials. An attempt at mechanical sewing was made in England (1790) with a machine having a forked, automatic needle that made a single-thread ch...

shorthand

(Encyclopedia)CE5 Shorthand systems shorthand, any brief, rapid system of writing that may be used in transcribing, or recording, the spoken word. Such systems, many having characters based on the letters of th...