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Hall effect

(Encyclopedia)Hall effect, experiment that shows the sign of the charge carriers in a conductor. In 1879 E. H. Hall discovered that when he placed a metal strip carrying a current in a magnetic field, a voltage dif...

Friedländer, Max J.

(Encyclopedia)Friedländer, Max J. frēdˈlĕndər [key], 1867–1958, German art historian. Educated in Munich, he became director of the Kaiser Friedrich Museum in Berlin. He left Germany in 1933 and settled in H...

Blankenburg

(Encyclopedia)Blankenburg bätˈ [key], city, Saxony-Anhalt, E central Germany. It is a spa located at the ...

Volgograd

(Encyclopedia)Volgograd vôlgəgrätˈ [key], formerly Stalingrad, city (1989 pop. 999,000), capital of Volgograd region, SE European Russia, a port on the Volga River and the eastern terminus of the Volga-Don Cana...

Aquila, in astronomy

(Encyclopedia)Aquila [Lat.,=the eagle], equatorial constellation located N of Sagittarius and Capricornus, lying partly in the Milky Way. It is sometimes depicted as an eagle. It contains the bright star Altair (Al...

Marlboro Music Festival

(Encyclopedia)Marlboro Music Festival, chamber music festival held on the campus of Marlboro College, Marlboro, Vt., annually in July and August. Founded in 1951 by Adolf Busch, Rudolf Serkin, and several others an...

Oberth, Hermann Julius

(Encyclopedia)Oberth, Hermann Julius, 1894–1989, Austro-German astronautical pioneer, b. Hermannstadt, Austria-Hungary (now Sibiu, Romania). Beginning his studies in astronautics before World War I, he first prop...

Lenau, Nikolaus

(Encyclopedia)Lenau, Nikolaus nēmpsh ādˈlər fən shtrāˈlənou [key], 1802–50, Austrian romantic poet, b. Hungary. He is considered Austria's chief lyric poet. Pessimism and melancholy dominate his work, whi...

Tristram and Isolde

(Encyclopedia)Tristram and Isolde trĭsˈtrəm, ĭsōlˈdə, ĭzōlˈ– [key], medieval romance. The earliest extant version (incomplete) was written (c.1185) by Thomas of Britain in Anglo-Norman French verse. Abo...

German art and architecture

(Encyclopedia)German art and architecture, artistic works produced within the region that became politically unified as Germany in 1871 generally followed the stylistic currents of Western Europe. The sentimental...