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Illinois Institute of Technology

(Encyclopedia)Illinois Institute of Technology, in Chicago; coeducational; founded 1940 by a merger of Armour Institute of Technology (founded 1892) and Lewis Institute (1896). The school's present campus was plann...

East China Sea

(Encyclopedia)East China Sea, arm of the Pacific Ocean, c.480,000 sq mi (1,243,200 sq km), bounded on the E by the Kyushu and Ryukyu islands, on the S by Taiwan, and on the W by China. It is connected with the Sout...

Allegheny Plateau

(Encyclopedia)Allegheny Plateau, dissected plateau, western part of the Appalachian Mts., extending c.500 mi (800 km) SW from N Pa. to SW Va., rising to c.4,860 ft (1,480 m) at Spruce Knob, the highest peak in West...

Ems, river, Germany

(Encyclopedia)Ems, river, 208 mi (335 km) long, rising in the Teutoburger Wald, NW Germany, and flowing NW into the North Sea near Emden. Its wide mouth is called the Dollart. The Ems is paralleled for much of its ...

Rogers, Henry Huttleston

(Encyclopedia)Rogers, Henry Huttleston, 1840–1909, American financier, b. Fairhaven, Mass. After he moved (1860) to Pennsylvania, he entered the oil business, experimented in the refining of petroleum, and, in pa...

potassium carbonate

(Encyclopedia)potassium carbonate, chemical compound, K2CO3, white, crystalline, deliquescent substance that forms a strongly alkaline water solution. It is available commercially as a white, granular powder common...

propane

(Encyclopedia)propane, CH3CH2CH3, colorless, gaseous alkane. It is readily liquefied by compression and cooling. It melts at −189.9℃ and boils at −42.2℃. Propane occurs in nature in natural gas and (in diss...

Natuna Islands

(Encyclopedia)Natuna Islands, island group (2010 pop. 69,300), 769 sq mi (1,993 sq km), Riau prov., Indonesia, in the South China Sea between the Malay Peninsula (W) and Borneo (E). The more than 250 islands are pa...

Williston

(Encyclopedia)Williston, city (1990 pop. 13,131), seat of Williams co., NW N.Dak., on the Missouri River; inc. 1904. An early riverboating town, its importance increased with the arrival of the Great Northern Railw...

Bolkiah Mu'izzadin Waddaulah, Sir Hassanal

(Encyclopedia)Bolkiah Mu'izzadin Waddaulah, Sir Hassanal, 1946–, sultan of Brunei (1967–). He succeeded to the throne after the abdication of his father, Sultan Sir Omar Ali Saifuddin. Known as a playboy, he no...