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Chinese music

(Encyclopedia)Chinese music, the classical music forms of China. Throughout the political and social turmoil following World War I, Western (classical and popular) and Japanese sources dominated Chinese music. At...

Harriot, Thomas

(Encyclopedia)Harriot, Thomas hârˈēət [key], 1560–1621, English mathematician and astronomer. He was tutor to Sir Walter Raleigh, who sent him in 1585 to Virginia as surveyor with Sir Richard Grenville. Retur...

Mattei, Enrico

(Encyclopedia)Mattei, Enrico ānrēˈkō mät-tāˈ [key], 1906–62, Italian public administrator. After World War II he was given the task of dismantling the Italian Petroleum Agency, a Fascist state enterprise. ...

blueprint

(Encyclopedia)blueprint, white-on-blue photographic print, commonly of a working drawing used during building or manufacturing. The plan is first drawn to scale on a special paper or tracing cloth through which lig...

C, letter of the alphabet

(Encyclopedia)C, third letter of the alphabet. In position and form, but not in meaning, it corresponds to Greek gamma (see G). In English it is pronounced variously, e.g., in can, cent, church, and loch. In musica...

Petty, Sir William

(Encyclopedia)Petty, Sir William, 1623–87, English statistician and physician. He was a founder of the Royal Society and was physician general to the army of Ireland in 1652. Petty's survey of the Irish estates a...

ammonium nitrate

(Encyclopedia)ammonium nitrate, chemical compound, NH4NO3, that exists as colorless, rhombohedral crystals at room temperature but changes to monoclinic crystals when heated above 32℃. It is extremely soluble in ...

Anderson, Philip Warren

(Encyclopedia)Anderson, Philip Warren, 1923–2020, American physicist, b. Indianapolis, Ind., Ph.D. Harvard, 1949. After graduation he worked at Bell Laboratories until 1984. From 1967 he also was on the faculty a...

Hertzsprung, Ejnar

(Encyclopedia)Hertzsprung, Ejnar īˈnär hĕrtsˈspro͞ong [key], 1873–1967, Danish astronomer. Although trained as a chemical engineer, Hertzsprung made his career in astronomy, specializing in exacting photogr...

Hot Springs National Park

(Encyclopedia)Hot Springs National Park, 5,549 acres (2,247 hectares), W central Ark.; est. 1921; nearly surrounded by the city of Hot Springs. Visited by Spanish explorer Hernando De Soto in 1541, the springs, lon...
 

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