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Blount, William

(Encyclopedia)Blount, William, 1749–1800, American political leader, b. near Windsor, N.C. He served in the American Revolution and later became a legislator in North Carolina, a member of the Continental Congres...

Wythe, George

(Encyclopedia)Wythe, George wĭth [key], 1726–1806, American lawyer, signer of the Declaration of Independence, b. Elizabeth City co., Va. Admitted to the bar in 1746, Wythe was a member (1754–55, 1758–68) an...

distortion

(Encyclopedia)distortion, in electronics, undesired change in an electric signal waveform as it passes from the input to the output of some system or device. In an audio system, distortion results in poor reproduct...

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...

seismology

(Encyclopedia)seismology sīzmŏlˈəjē, sīs– [key], scientific study of earthquakes and related phenomena, including the propagation of waves and shocks on or within the earth by natural or artificially genera...

Hamilton, Alexander

(Encyclopedia)Hamilton, Alexander, 1755–1804, American statesman, b. Nevis, in the West Indies. By 1780 Hamilton had outlined a plan of government with a strong central authority to replace the weak system of t...

Goldmark, Peter Carl

(Encyclopedia)Goldmark, Peter Carl, 1906–77, Hungarian-American engineer, b. Budapest. He studied at the Univ. of Vienna (B.S., 1929, Ph.D., 1931); worked for a radio company in England (1931–33). After emigrat...

neurology

(Encyclopedia)neurology no͝orŏlˈəjē, nyo͝o– [key], study of the morphology, physiology, and pathology of the human nervous system. As researchers, neurologists carry on investigative and experimental work i...

sediment

(Encyclopedia)sediment, mineral or organic particles that are deposited by the action of wind, water, or glacial ice. These sediments can eventually form sedimentary rocks (see rock). Sediments form sedimentary ...

electric and magnetic units

(Encyclopedia)electric and magnetic units, units used to express the magnitudes of various quantities in electricity and magnetism. Three systems of such units, all based on the metric system, are commonly used. On...