(Encyclopedia)
CE5
Typical X-ray composite spectrum (intensity as a function of frequency)
X ray, invisible, highly penetrating electromagnetic radiation of much shorter wavelength (higher…
(Encyclopedia) Ray or Wray, John, 1627–1705, English naturalist. He was extremely influential in laying the foundations of systematic biology. With his pupil Francis Willughby, he planned a complete…
(Encyclopedia) Ray, SatyajitRay, Satyajitsätyäˈjĭt rī, rā [key], 1921–92, Indian film director, b. Calcutta (now Kolkata). His subtle, austere, and delicately lyrical films made him one of the…
(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…
COMBS, Jesse Martin, a Representative from Texas; born in Center, Shelby County, Tex., July 7, 1889; attended the public schools; was graduated from Southwest Texas State Teachersâ College…
(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…
(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…
