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secret police

(Encyclopedia)secret police, policing organization operating in secrecy for the political purposes of its government, often with terroristic procedures. Many states, including Chile, Iran, Iraq, Israel, Romania,...

electromagnetic radiation

(Encyclopedia)CE5 Electromagnetic spectrum electromagnetic radiation, energy radiated in the form of a wave as a result of the motion of electric charges. A moving charge gives rise to a magnetic field, and if ...

sunspots

(Encyclopedia)sunspots, dark, usually irregularly shaped spots on the sun's surface that are actually solar magnetic storms. The spots are darker because the temperature of the spots is lower than that of the surro...

Darwin, Charles Robert

(Encyclopedia)Darwin, Charles Robert, 1809–82, English naturalist, b. Shrewsbury; grandson of Erasmus Darwin and of Josiah Wedgwood. He firmly established the theory of organic evolution known as Darwinism. He st...

Weimar

(Encyclopedia)Weimar vīˈmär [key], city (1994 pop. 58,807), E Thuringia, central Germany, on the Ilm River. It is an industrial, transportation, and cultural center. Manufactures include agricultural machinery, ...

Munich

(Encyclopedia)Munich münˈkhən [key], city (1994 pop. 1,255,623), capital of Bavaria, S Germany, on the Isar River near the Bavarian Alps. It is a financial, commercial, industrial, transportation, communications...

reparations

(Encyclopedia)reparations, payments or other compensation offered as an indemnity for loss or damage. Although the term is used to cover payments made to Holocaust survivors and to Japanese Americans interned durin...

Nobel Prizes (table)

(Encyclopedia)Nobel Prizes

German literature

(Encyclopedia)German literature, works in the German language by German, Austrian, Austro-Hungarian, and Swiss authors, as well as by writers of German in other countries. The postwar decades saw a gradual litera...

transistor

(Encyclopedia)CE5 Simple transistor circuit transistor, three-terminal, solid-state electronic device used for amplification and switching. It is the solid-state analog to the triode electron tube; the transist...