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plating

(Encyclopedia)plating, application of a plate, or coat, of metal to a surface for decoration, reflection of light, protection against corrosion, or increased wearing quality. The practice is of ancient origin: gild...

Salisbury, Robert Cecil, 1st earl of

(Encyclopedia)Salisbury, Robert Cecil, 1st earl of, 1563–1612, English statesman; son of William Cecil, Baron Burghley. He entered Parliament and came gradually to rank second only to his father as adviser to Que...

Queensland

(Encyclopedia)Queensland, state (2016 pop. 4,703,193), 667,000 sq mi (1,727,200 sq km), NE Australia. Brisbane is the capital; other important cities are Gold Coast, Toowoomba, Townsville, Rockhampton, Cairns, and ...

Ribaut, Jean

(Encyclopedia)Ribaut or Ribault, Jean both: zhäN rēbōˈ [key], c.1520–65, French mariner and colonizer in Florida, b. Dieppe. When Gaspard de Coligny decided to plant a French colony as an asylum for Huguenots...

nonlinear dynamics

(Encyclopedia)nonlinear dynamics, study of systems governed by equations in which a small change in one variable can induce a large systematic change; the discipline is more popularly known as chaos (see chaos theo...

sodium

(Encyclopedia)sodium, a metallic chemical element; symbol Na [Lat. natrium]; at. no. 11; at. wt. 22.98977; m.p. 97.81℃; b.p. 892.9℃; sp. gr. 0.971 at 20℃; valence +1. Sodium is a soft, silver-white metal. Ext...

bearing

(Encyclopedia)bearing, machine part designed to reduce friction between moving parts or to support moving loads. There are two main kinds of bearings: the antifriction type, such as the roller bearing and the ball ...

Yunnan

(Encyclopedia)Yunnan or Yun-nan both: yünˈnän [key] [south of the clouds], province (2010 pop. 45,966,239), c.162,000 sq mi (419,600 sq km), SW China. It borders Myanmar on the west and Laos and Vietnam on the s...

art conservation and restoration

(Encyclopedia)art conservation and restoration, the preservation of structurally sound works of art, the halting of processes that lead to the damage of works of art, and the repair of already damaged works of art....

glass

(Encyclopedia)glass, hard substance, usually brittle and transparent, composed chiefly of silicates and an alkali fused at high temperature. Glass has become invaluable in modern architecture, illumination, elect...