(Encyclopedia) Ray, Man, 1890–1976, American photographer, painter, and sculptor, b. Philadelphia. Along with Marcel Duchamp, Ray was a founder of the Dada movement in New York and Paris. He is…
Trouble in Shangri-LaReprise More than 25 years into her career, Stevie Nicks is still a mesmerizing presence, whose blend of soft allure and fierce determination paved the way for a new…
(Encyclopedia) X-ray crystallography, the study of crystal structures through X-ray diffraction techniques. When an X-ray beam bombards a crystalline lattice in a given orientation, the beam is…
(Encyclopedia) X-ray astronomy, study of celestial objects by means of the X rays they emit, in the wavelength range from 0.01 to 10 nanometers. X-ray astronomy dates to 1949 with the discovery that…
(Encyclopedia) gamma-ray astronomy, study of astronomical objects by analysis of the most energetic electromagnetic radiation they emit. Gamma rays are shorter in wavelength and hence more energetic…
Stevie Wonder(Steveland Morris)singer, composer, producerBorn: 5/13/1950Birthplace: Saginaw, Michigan Grammy Award-winning singer, composer, producer, arranger, and instrumentalist known for his…
(Encyclopedia) Nagin, Ray (Clarence Ray Nagin, Jr.), 1956–, African-American politician, b. New Orleans. A Louisiana cable-television executive before entering politics, Nagin won the 2002 mayoral…
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