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Popper-Lynkeus, Josef

(Encyclopedia)Popper-Lynkeus, Josef yōˈzĕf pôpˈər-lünˈkāo͝os [key], 1838–1921, Austrian philosopher, social reformer, and inventor. His unpopular views kept him from any academic position, so he worked ...

Vladikavkaz

(Encyclopedia)Vladikavkaz vlədyēˈkävkäz [key], city (1989 pop. 300,000), capital of North Ossetia-Alania, SE European Russia, on the Terek River and at the northern foot of the Caucasus. It is the starting poi...

streetcar

(Encyclopedia)streetcar, small, self-propelled railroad car, similar to the type used in rapid-transit systems, that operates on tracks running through city streets and is used to carry passengers. Most often cars ...

weber, unit of magnetic flux

(Encyclopedia)weber vāˈbər, wē–, wĕbˈər [key] [for W. E. Weber], abbr. Wb, unit of magnetic flux in the mks system of weights and measures; 1 Wb is equal to 1 volt-second. The weber per square meter, calle...

Tesla, Nikola

(Encyclopedia)Tesla, Nikola tĕsˈlə [key], 1856–1943, American electrician and inventor, b. Croatia (then an Austrian province). An ethnic Serb, he immigrated to the United States in 1884, worked for a short pe...

Woods, Granville Taylor

(Encyclopedia)Woods, Granville Taylor,, 1856–1910, African-American inventor, b. Columbus, Ohio. He worked in a railroad shop as a youth, becoming a machinist and blacksmith. He subsequently worked on trains, fir...

Wuppertal

(Encyclopedia)Wuppertal vo͝opˈərtäl [key], city (1994 pop. 386,625), North Rhine–Westphalia, W Germany, on the Wupper River. It is an industrial center, formed in 1929 by the merger of Barmen, Elberfeld, Vohw...

Shasta Dam

(Encyclopedia)Shasta Dam, 602 ft (183 m) high and 3,460 ft (1,055 m) long, on the Sacramento River, N Calif.; built 1938–45. One of the largest concrete dams in the world, it is a major unit in the Central Valley...

watch

(Encyclopedia)watch, small, portable timepiece usually designed to be worn on the person. Other kinds of timepieces are generally referred to as clocks. At one time it was generally believed that the first watches ...

Alexander, Andrew Lamar, Jr.

(Encyclopedia) Alexander, Andrew Lamar, Jr., American politician, b. Maryville, Tn., Vanderbilt Univ. (B.A., 1962); New York Univ. (J.D., 1965). The son of educators, Alexander studied at Vanderbilt Uni...