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beryllium

(Encyclopedia) berylliumberylliumbərĭlˈēəm [key] [from beryl ], metallic chemical element; symbol Be; at. no. 4; at. wt. 9.01218; m.p. about 1,278℃; b.p. 2,970℃ (estimated); sp. gr. 1.85 at 20℃;…

Phoenix, city, United States

(Encyclopedia) Phoenix, city (1990 pop. 983,403), state capital and seat of Maricopa co., S Ariz., on the Salt River; inc. 1881. It is the largest city in Arizona, the hub of the rich agricultural…

computer-aided design

(Encyclopedia) computer-aided design (CAD) or computer-aided design and drafting (CADD), form of automation that helps designers prepare drawings, specifications, parts lists, and other design-…

Acknowledgments

The first five editions of The Columbia Encyclopedia were published in 1935, 1950, 1963, 1975, and 1993. All editions owe a debt of gratitude to Clark Fisher Ansley, the editor of the first edition,…

The Santa Tracker Quiz

Welcome to a quiz on Santa's flight path! Test your knowledge about Santa's journey around the world on Christmas Eve with information provided by NORAD Tracks Santa, or the North American Aerospace…

Aldrin, Buzz

(Encyclopedia) Aldrin, BuzzAldrin, Buzzôlˈdrĭn [key] (Edwin Eugene Aldrin, Jr.), 1930–, American astronaut, b. Montclair, N.J. After graduating from West Point (1951), Aldrin joined the U.S. air…

San Jose, city, United States

(Encyclopedia) San JoseSan Josesănəzāˈ, săn hōzāˈ [key], city (1990 pop. 782,248), seat of Santa Clara co., W central Calif.; founded 1777, inc. 1850. Along with San Francisco and Oakland the city…

Maxime Faget 2004 Deaths

Maxime FagetAge: 83 innovative aerospace engineer who designed the Mercury space capsule and worked on all of NASA's manned spacecraft, including Gemini, Apollo, and the space shuttle. Died:…

Kalpana Chawla Biography

Kalpana ChawlaastronautBorn: 7/1/1961Birthplace: Karnal, India Kalpana Chawla's love of flying led to her career as a NASA astronaut. She started her higher education in India, earning a B.S…