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Qingdao

(Encyclopedia)Qingdao tsĭngˈtouˈ, chĭngˈdouˈ [key], city (1994 est. pop. 1,584,100), SE Shandong prov., E China, on the Yellow Sea. With an excellent ice-free harbor, it is a major fishing and trade port of C...

Douglas, Donald Wills

(Encyclopedia)Douglas, Donald Wills, 1892–1981, aviation pioneer and aerospace executive, b. Brooklyn, N.Y., B.S. Massachusetts Institute of Technology, 1914. He helped design the first wind tunnel (1914–15) an...

echo, in acoustics

(Encyclopedia)echo, reflection of a sound wave back to its source in sufficient strength and with a sufficient time lag to be separately distinguished. If a sound wave returns within 1⁄10 sec, the human ear is in...

MacCready, Paul Beattie

(Encyclopedia)MacCready, Paul Beattie, 1925–2007, American engineer and inventor known for his achievements in human-powered flight, b. New Haven, Conn., Ph.D. California Institute of Technology, 1952. In 1997 he...

Lake Charles

(Encyclopedia)Lake Charles, city (1990 pop. 70,580), seat of Calcasieu parish, SW La.; inc. 1867. It is located on Lake Charles at the mouth of the Calcasieu River in a rice, timber, oil, and natural gas region. Th...

Saint David's

(Encyclopedia)Saint David's, Welsh Tyddewi, small town, Pembrokeshire, SW Wales. The renowned town cathedral is mainly Transitional Norman in style, built of red-violet stone. Among its features is the late 13th-ce...

Saint Helier

(Encyclopedia)Saint Helier sānt hĕlˈyər, Fr. săNtālyāˈ [key], town (1991 pop. 24,941), capital of Jersey, Channel Islands, Great Britain, on St. Aubin's Bay. The administrative and cultural center of Jersey...

San Jacinto

(Encyclopedia)San Jacinto, river, c.130 mi (210 km) long, rising in SE Texas as the West Fork and flowing S to Galveston Bay. Its chief tributary is Buffalo Bayou, and both the bayou and the lower river are used fo...

Thanet, Isle of

(Encyclopedia)Thanet, Isle of thănˈĭt [key], former island forming the NE portion of Kent, SE England, bounded by the North Sea and branches of the Stour River. The isle was occupied by the Romans, who had a for...

Chicago, river, United States

(Encyclopedia)Chicago, river, formed in Chicago by the junction of its North Branch (24 mi/39 km long) and South Branch (10 mi/16 km long), and flowing southeast via a canal into the Des Plaines River at Lockport, ...