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Santa Monica

(Encyclopedia)Santa Monica sănˈtə mŏnˈĭkə [key], city (1990 pop. 86,905), Los Angeles co., S Calif., on Santa Monica Bay; inc. 1886. Tourism and retailing are important, and the city has motion-picture, biot...

ball-and-socket joint

(Encyclopedia)ball-and-socket joint, in engineering, mechanical connection used between parts that must be allowed some relative angular motion in nearly all directions. As the name implies, the joint consists esse...

Wallace, Lew

(Encyclopedia)Wallace, Lew (Lewis Wallace), 1827–1905, American novelist and diplomat, b. Brookville, Ind. He served in both the Mexican and Civil wars. After returning to his law practice in Indiana, he became g...

Maxwell, James Clerk

(Encyclopedia)Maxwell, James Clerk klärk [key], 1831–79, great Scottish physicist. After a brilliant career at Edinburgh and Cambridge, where he won early recognition with mathematical papers, he was a professor...

energy

(Encyclopedia)CE5 Relations between potential energy (PE) and kinetic energy (KE) for a swinging pendulum energy, in physics, the ability or capacity to do work or to produce change. Forms of energy include hea...

wave, in physics

(Encyclopedia)wave, in physics, the transfer of energy by the regular vibration, or oscillatory motion, either of some material medium or by the variation in magnitude of the field vectors of an electromagnetic fie...

Achilles' tendon

(Encyclopedia)Achilles' tendon (tendo calcaneus) tĕnˈdō kălkāˈnēəs [key], sinew prominent at the back of the ankle, connecting the tendons of the calf muscles to the heelbone. When the musculature contracts...

Arnoldson, Klas Pontus

(Encyclopedia)Arnoldson, Klas Pontus kläs pônˈtəs ärˈnôldsōn [key], 1844–1916, Swedish journalist and peace advocate. His untiring efforts for peace were rewarded by the 1908 Nobel Peace Prize, which he s...

Ashgabat

(Encyclopedia)Ashgabat əshkhəbätˈ [key], formerly Ashkhabad, city (2020 pop. 846,000), capital of Turkmenistan, near the border with Iran, on the Trans-Caspian RR. The city has text...

Schildkraut, Rudolph

(Encyclopedia)Schildkraut, Rudolph shĭltˈkrout [key], 1862–1930, Austrian actor. He was a member of Max Reinhardt's Deutsches Theater, Berlin. In 1911 he came to the United States and until 1922 was a star of t...