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Van Halen, Eddie

(Encyclopedia) Van Halen, Eddie (Edward Lodewijk Van Halen), 1955–2020, American rock musician and song writer, b. Amsterdam, Netherlands; his family moved to California when he was young. He and…

Upshaw, Gene

(Encyclopedia) Upshaw, Gene (Eugene Upshaw, Jr.), 1945–2008, American football player and labor union leader, b. Robstown, Tex. He attended Texas College of Arts and Industries (now Texas A&M,…

Boone

(Encyclopedia) Boone. 1 City (2020 pop. 12,242), seat of Boone co., central Iowa, on the Des Moines River; inc. 1865. It is a railroad and industrial…

Memorable Olympic Moments: Bob Beamon

Unknown athlete sets track record by Mike Morrison Bob Beamon at the 1968 Mexico City games. (Source: AP) Related Links Olympics Overview 2008 Track & Field Preview…

The Anatomy of a Compact Disc

The Question: A project I am working on for this class requires that I know the exact distance between the grooves on a CD. I've looked everywhere, and I cannot find this…

Feynman, Richard Phillips

(Encyclopedia) Feynman, Richard PhillipsFeynman, Richard Phillipsfīnˈmən [key], 1918–88, American physicist, b. New York City, B.S. Massachusetts Institute of Technology, 1939, Ph.D. Princeton, 1942…

bubble chamber

(Encyclopedia) bubble chamber, device for detecting charged particles and other radiation by means of tracks of bubbles left in a chamber filled with liquid hydrogen or other liquefied gas. It was…