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neutrino astronomy

(Encyclopedia)neutrino astronomy, study of stars by means of their emission of neutrinos, fundamental particles that result from nuclear reactions and are emitted by stars along with light. Approximately 100 billio...

Flavin, Dan

(Encyclopedia)Flavin, Dan flāˈvĭn [key], 1933–96, American sculptor, b. New York City. In the early 1960s, Flavin experimented with fluorescent lights, bending them into complex, angular shapes. His sculptures...

Moerner, W. E.

(Encyclopedia)Moerner, W. E. (William Esco Moerner), 1953–, American physical chemist, b. Pleasanton, Calif., Ph.D. Cornell, 1982. Moerner worked at the IBM Almaden Research Center from 1981 to 1995 and at the Un...

electromagnetic radiation

(Encyclopedia)CE5 Electromagnetic spectrum electromagnetic radiation, energy radiated in the form of a wave as a result of the motion of electric charges. A moving charge gives rise to a magnetic field, and if ...

photographic processing

(Encyclopedia)photographic processing, set of procedures by which the latent, or invisible, image produced when a photographic film is exposed to light is made into a permanent visible image. The negative may b...

Farmington

(Encyclopedia)Farmington. 1 Town (2020 pop. 26,712), Hartford co., central Conn., on the Farmington River; inc. 1645. It is mainly residential with some light ...

meranti

(Encyclopedia)meranti, any of several species of Shorea, the most important timber genus in tropical Asia, of the family Dipterocarpaceae. Meranti is an important emergent tree of the tropical forests of Asia. The ...

Rømer, Olaus

(Encyclopedia)Rømer, Olaus or Ole ōläˈo͝os, ōˈlə römˈər [key], 1644–1710, Danish astronomer. He is noted for his discovery that light travels at a definite speed and does not move through space instant...

Irwin, Robert

(Encyclopedia)Irwin, Robert, 1928–, American painter and sculptor, b. Long Beach, Calif. Irwin was one of the founders of the California-based Light and Space movement. Early in his career, he painted in the abst...

complementarity principle

(Encyclopedia)complementarity principle, physical principle enunciated by Niels Bohr in 1928 stating that certain physical concepts are complementary. If two concepts are complementary, an experiment that clearly i...