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palmA hand-held computer. PCPersonal computer. Generally refers to computers running Windows with a Pentium processor.printed circuit boardPC boardPrinted Circuit board. A board printed or…

Cosmic Dust Doomed Dinosaurs?

The earliest fossil animal embryos, dating from the Precambrian era, were found by American, Taiwanese, and Chinese scientists in phosphate deposits in China's Guizhou province. Some of…

Black Scientists & Inventors

Benjamin Banneker, Thomas Jennings, other exceptional scientists by Ann Marie Imbornoni Madame C.J. Walker Related Links Black History Month FeaturesAfrican American History…

chess

(Encyclopedia) chess, game for two players played on a square board composed of 64 square spaces, alternately dark and light in color. London was the site of the first modern international chess…

Armenia Department of State Background

U.S. Department of State Background Note Armenia Index: People and Historical Highlights Government and Political Conditions Economy Defense and Military Issues Foreign Relations U.S.-Armenian…

Arizona

Colorado State Information Capital: Phoenix, AZ 85007 Official Name: State of Arizona Organized as a territory/republic: February 24, 1863 Entered Union (rank): February 14, 1912 (48th) Present…

Ghana Department of State Background

U.S. Department of State Background Note Ghana Index: Geography History Government and Political Conditions Economy Foreign Relations GEOGRAPHYGhana's population is concentrated along the coast…

Hungary Department of State Background

U.S. Department of State Background Note Hungary Index: People and History Government and Political Conditions Economy National Security Foreign Relations U.S.-Hungarian Relations PEOPLE AND…

Israel Department of State Background

U.S. Department of State Background Note Israel Index: People History Government Political Conditions Economy Foreign Relations Defense U.S.-Israeli Relations PEOPLEOf the approximately 6.43…