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Federal Communications Commission

(Encyclopedia) Federal Communications Commission (FCC), independent executive agency of the U.S. government established in 1934 to regulate interstate and foreign communications in the public…

Weather: Doppler—the New Generation

Doppler—the New GenerationWeatherRadar and SatellitesRadar—Scanning the SkiesDoppler—the New GenerationSatellites—a Far-Out LookThe Modern EraPutting It All Together Although the original radar…

holography

(Encyclopedia) holographyholographyhŏlŏgˈrəfē, hō– [key], method of reproducing a three-dimensional image of an object by means of light wave patterns recorded on a photographic plate or film.…

Prokhorov, Aleksandr Mikhailovich

(Encyclopedia) Prokhorov, Aleksandr MikhailovichProkhorov, Aleksandr Mikhailovichəlyĭksänˈdər mēkhīˈləvĭch prôˈkhərəf [key], 1916–2002, Russian physicist, b. Atherton, Queensland, Australia. In 1923…

migraine

(Encyclopedia) migrainemigrainemīˈgrān [key], headache characterized by recurrent attacks of severe pain, usually on one side of the head. It may be preceded by flashes or spots before the eyes or a…

Eigen, Manfred

(Encyclopedia) Eigen, Manfred, 1927–2019, German biophysicist, Ph.D. Univ. of Göttingen, 1951. Eigen was on the faculty at the Univ. of Göttingen from 1951 to 1953. He joined the Max Planck Institute…