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Reclamation, United States Bureau of

(Encyclopedia) Reclamation, United States Bureau of, agency set up in the Dept. of the Interior under the Reclamation Act of 1902. It is charged with promoting regional economies by developing water…

Columbia basin project

(Encyclopedia) Columbia basin project, central Wash., a multipurpose development of the U.S. Bureau of Reclamation providing irrigation, hydroelectric power, and flood control. Its key unit, the…

Science Projects

See also: Answers to Science Questions Here are some lists of good science projects for all ages: Biology Science ProjectsBotany Science ProjectsChemistry Science ProjectsEarth Science…

Nuclear and Chemical Accidents

Though nuclear power is a good source of energy and is generally not a threat, there have been instances when security measures have failed. Nuclear…

DK History: French Revolution

WHY DID THE FRENCH RISE UP? WHAT HAPPENED ON JULY 14? BIOGRAPHY: MAXIMILIEN DE ROBESPIERRE 1758–1794 REIGN OF TERRORFIND OUT MOREThe years 1789 to 1799 marked a turning point in European history.…

Moore, Barrington

(Encyclopedia) Moore, Barrington, 1913–2005, American sociologist and political scientist. Moore wrote a number of books on historical sociology that focus on Soviet society. Based at the Russian…

Schleicher, Kurt von

(Encyclopedia) Schleicher, Kurt von, 1882–1934, German general. A leading Reichswehr (army) figure after World War I, Schleicher wielded great power in the years before Adolf Hitler came to power (…

Calvin Fuller Biography

inventorBorn: 25 May 1902Best Known as: co-creator of the silicon solar cell Chemist Calvin Fuller, along with Bell Labs colleagues Daryl Chapin and Gerald Pearson,…

Gerald Pearson Biography

inventorBorn: 31 March 1905Best Known as: co-creator of the silicon solar cell Gerald Pearson, along with Bell Labs colleagues Daryl Chapin and Calvin Fuller,…