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(Encyclopedia)Khan, Ali Akbar älēˈ ăkˈbär khän [key], 1922–2009, Indian musician, b. Shivpur, East Bengal (now Bangladesh). A master of the sarod, a lutelike 25-stringed N Indian instrument, Khan was born ...

Eames, Ray Kaiser

(Encyclopedia)Eames, Ray Kaiser: see under Eames, Charles. ...

Dolby, Ray Milton

(Encyclopedia)Dolby, Ray Milton, 1933–2013, American inventor, audio engineer, and corporate executive, B.S. Stanford, 1957, Ph.D. Cambridge, 1961. While a teenager, he worked for Ampex Corp. (1949–57), helping...

gamma-ray astronomy

(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 than X rays (see...

Gamma-Ray Observatory

(Encyclopedia)Gamma-Ray Observatory: see gamma-ray astronomy. ...

Robinson, Sugar Ray

(Encyclopedia)Robinson, Sugar Ray, 1920–89, American boxer, b. Detroit as Walker Smith, Jr. He began boxing after three years of high school in New York City. Having won all his amateur fights (about 90), includi...

Wilbur, Ray Lyman

(Encyclopedia)Wilbur, Ray Lyman, 1875–1949, American public official and educator, b. Boonesboro, Iowa, grad. Stanford (B.A., 1896; M.A., 1897) and Cooper Medical College, San Francisco, 1899. After studying medi...

X-ray astronomy

(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 the sun emits X ...

X-ray crystallography

(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 scattered in a defini...