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bias, in electricity

(Encyclopedia)bias, a voltage, current, or other input applied to a device or system as a reference or to set its conditions of operation. A bias is usually steady but may vary with time, usually within a fixed and...

deduction

(Encyclopedia)deduction, in logic, form of inference such that the conclusion must be true if the premises are true. For example, if we know that all men have two legs and that John is a man, it is then logical to ...

Fort George G. Meade

(Encyclopedia)Fort George G. Meade, U.S. army post, 13,500 acres (5,460 hectares), central Md., between Baltimore and Washington, D.C.; est. 1917 as a World War I induction center. ...

Scoresby, William

(Encyclopedia)Scoresby, William skôrzˈbē [key], 1789–1857, English arctic explorer and scientist. He made yearly voyages (1803–22) to Greenland, at first on his father's whaler, later as captain on other shi...

Galvani, Luigi

(Encyclopedia)Galvani, Luigi lo͞oēˈjē gälväˈnē [key], 1737–98, Italian physician. He was professor of anatomy from 1775 at the Univ. of Bologna and was noted as a surgeon and for research in comparative a...

Gray, Stephen

(Encyclopedia)Gray, Stephen, 1666–1736, English physicist. Gray, a dyer by trade, cultivated science as a hobby. In 1696 he published an account of a magnifying glass that interested the Royal Society and from th...

Faraday, Michael

(Encyclopedia)Faraday, Michael fârˈədē, –dāˌ [key], 1791–1867, English scientist. The son of a blacksmith, he was apprenticed to a bookbinder at the age of 14. He had little formal education, but acquired...

Spemann, Hans

(Encyclopedia)Spemann, Hans häns shpāˈmän [key], 1869–1941, German embryologist. He was professor of zoology (1919–35) at the Univ. of Freiburg. By transplanting embryonic tissue to a new location or to ano...

domain

(Encyclopedia)domain, in physics: see magnetism. ...
 

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