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Andocides

(Encyclopedia)Andocides ăndŏsˈĭdēz [key], c.440–390 b.c., one of the Ten Attic Orators (see oratory). In 415 b.c. he was accused of mutilating the hermae (sacred pillars topped by busts of the gods) and, in ...

U-2 incident

(Encyclopedia)U-2 incident, in U.S. and Soviet history, the events following the Soviet downing of an American U-2 high altitude reconnaissance aircraft over Soviet territory on May 1, 1960. The incident led to the...

formula, in mathematics and physics

(Encyclopedia)formula, in mathematics and physics, equation expressing a definite fixed relationship between certain quantities. The quantities are usually expressed by letters, and their relationship is indicated ...

ether, in physics and astronomy

(Encyclopedia)ether or aether, in physics and astronomy, a hypothetical medium for transmitting light and heat (radiation), filling all unoccupied space; it is also called luminiferous ether. In Newtonian physics a...

Ishim, river, Russia and Kazakhstan

(Encyclopedia)Ishim, river, c.1,130 mi (1,819 km) long, W Siberian Russia and Kazakhstan. It rises N of Qaraghandy in Kazakhstan (where it is known as the Esil), flows W past Atbasar, N past Petropavl, and then joi...

Cardamoms, mountains, Thailand and Cambodia

(Encyclopedia)Cardamoms kärˈdəməmz [key], Thai Banthat, Khmer Kravanh, mountain group extending c.100 mi (160 km) along the Thai-Cambodian border, E of Chanthaburi, SE Thailand. The mountains receive monsoon ra...

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