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Schrödinger, Erwin

(Encyclopedia)Schrödinger, Erwin ĕrˈvĭn shröˈdĭng-ər [key], 1887–1961, Austrian theoretical physicist. He was educated at Vienna, taught at Breslau and Zürich, and was professor at the Univ. of Berlin (1...

Americas, antiquity and prehistory of the

(Encyclopedia)Americas, antiquity and prehistory of the, study of the origins of the aboriginal peoples of the Americas. Archaeologists believe humans had entered and occupied much of the Americas by the end of the...

National Institute of Standards and Technology

(Encyclopedia)National Institute of Standards and Technology, governmental agency within the U.S. Dept. of Commerce with the mission of “working with industry to develop and apply technology, measurements, and st...

Boys and Girls Clubs of America

(Encyclopedia)Boys and Girls Clubs of America, federation of more than 1,006 organizations established (1906) in Boston as the Federated Boys' Clubs to help young people, especially those who are disadvantaged. Lat...

Milan, prince and king of Serbia

(Encyclopedia)Milan (Milan Obrenović) mĭlˈän ōbrĕˈnəvĭch [key], 1854–1901, prince (1868–82) and king (1882–89) of Serbia; grandnephew of Miloš Obrenović. He succeeded his cousin Michael Obrenović ...

Maurice, duke and elector of Saxony

(Encyclopedia)Maurice, 1521–53, duke (1541–47) and elector (1547–53) of Saxony. A member of the Albertine branch of the ruling house of Saxony, he became duke of Albertine Saxony during the Protestant Reforma...

Brooklyn Institute of Arts and Sciences

(Encyclopedia)Brooklyn Institute of Arts and Sciences, cultural and educational institution founded in 1823 in Brooklyn, N.Y., as the Brooklyn Apprentices' Library Association. The scope was broadened in 1843 and t...

National Institute of Arts and Letters

(Encyclopedia)National Institute of Arts and Letters: see American Academy and Institute of Arts and Letters. ...

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...

Freedom of Information Act

(Encyclopedia)Freedom of Information Act (1966), law requiring that U.S. government agencies release their records to the public on request, unless the information sought falls into a category specifically exempted...