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microelectronics

(Encyclopedia) microelectronics, branch of electronic technology devoted to the design and development of extremely small electronic devices that consume very little electric power. Although the term…

lightning

(Encyclopedia) lightning, electrical discharge accompanied by thunder, commonly occurring during a thunderstorm. The discharge may take place between one part of a cloud and another part (intracloud…

Jackson, Michael Joseph

(Encyclopedia) Jackson, Michael Joseph, 1958–2009, American performer, b. Gary, Ind. Jackson was an extremely successful pop singer, superb dancer, and talented composer who often conveyed an…

Guiana Highlands

(Encyclopedia) Guiana Highlands, mountainous tableland, c.1,200 mi (1,930 km) long and from 200 to 600 mi (322–966 km) wide, N South America, bounded by the Orinoco and Amazon river basins, and by…

Gunpowder Plot

(Encyclopedia) Gunpowder Plot, conspiracy to blow up the English Parliament and King James I on Nov. 5, 1605, the day set for the king to open Parliament. It was intended to be the beginning of a…

Morris, Robert, 1734–1806, American merchant

(Encyclopedia) Morris, Robert, 1734–1806, American merchant, known as the “financier of the American Revolution,” and signer of the Declaration of Independence, b. Liverpool, England. Morris…

Machu Picchu

(Encyclopedia) Machu PicchuMachu Picchumäˈch&oomacr; pēkˈch&oomacr; [key], Inca site in Peru, about 50 mi (80 km) NW of Cuzco. It is perched high upon a rock in a narrow saddle between two…

Charles V, king of France

(Encyclopedia) Charles V (Charles the Wise), 1338–80, king of France (1364–80). Son of King John II, Charles became the first French heir apparent to bear the title of dauphin after the addition of…

Harpers Ferry

(Encyclopedia) Harpers Ferry, town (2020 pop. 285), Jefferson co., easternmost W Va., at the confluence of the Shenandoah and Potomac rivers; inc. 1763…

public land

(Encyclopedia) public land, in U.S. history, land owned by the federal government but not reserved for any special purpose, e.g., for a park or a military reservation. Public land is also called land…