(Encyclopedia) secret police, policing organization operating in secrecy for the political purposes of its government, often with terroristic procedures.
Many states, including Chile, Iran, Iraq,…
Biographies of of U.S. representatives and Senators from Texas Member Name Birth-Death ABBOTT, J/biography/us/congress/o (J/biography/us/congress/oseph) 1840-1908…
(Encyclopedia)
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Bohr-Rutherford atom
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Probability distribution of the electron in the hydrogen atom: A. Ground state B. Highly excited state
atom [Gr.,=uncuttable (indivisible)],…
U.S. Department of State Background Note
Index:
People and History Government and Political Conditions Economy Defense and Military Issues Foreign Relations U.S.-Moldovan Relations
PEOPLE…
Painters, sculptors, and photographers
Read the brief and informative biographies of notable artists, from Pablo Picasso and Mary Cassatt to Vincent Van Gogh and Georgia O'Keeffe…
(Encyclopedia) chemistry, branch of science concerned with the properties, composition, and structure of substances and the changes they undergo when they combine or react under specified conditions…
(Encyclopedia)
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Electrical and radio symbols
electricity, class of phenomena arising from the existence of charge. The basic unit of charge is that on the proton or electron—the proton's…