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light bulb
(Encyclopedia)light bulb: see lighting.Drummond light
(Encyclopedia)Drummond light: see calcium oxide. ...black light
(Encyclopedia)black light: see ultraviolet radiation. ...light-emitting diode
(Encyclopedia)light-emitting diode: see diode.electric-light bug
(Encyclopedia)electric-light bug: see water bug. ...aberration of starlight
(Encyclopedia)aberration of starlight, displacement of the apparent path of light from a star, resulting in a displacement of the apparent position of the star from its true position; discovered by the English astr...Lee, Light-Horse Harry
(Encyclopedia)Lee, Light-Horse Harry: see Lee, Henry. ...tachyon
(Encyclopedia)tachyon tăkˈēŏnˌ [key], hypothetical elementary particle that travels only at speeds exceeding that of light. According to the theory of relativity, the speed of light is the limiting velocity fo...Cherenkov radiation
(Encyclopedia)Cherenkov radiation or Cerenkov radiation [for P. A. Cherenkov], light emitted by a transparent medium when charged particles pass through it at a speed greater than the speed of light in the medium. ...refraction
(Encyclopedia)refraction, in physics, deflection of a wave on passing obliquely from one transparent medium into a second medium in which its speed is different, as the passage of a light ray from air into glass. O...Browse by Subject
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