density of light
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light — light1 [līt] n. [ME liht < OE lēoht, akin to Ger licht < IE base * leuk , to shine, bright > Gr leukos, white, L lux & lumen, light, lucere, to shine, luna, moon, Welsh llug, gleam] 1. a) the form of electromagnetic radiation that acts… … English World dictionary
Light crude oil — is liquid petroleum that has a low density and flows freely at room temperature.[1] It has a low viscosity, low specific gravity and high API gravity due to the presence of a high proportion of light hydrocarbon fractions.[2] It generally has a… … Wikipedia
Light Dark Matter — refers to Dark Matter WIMP candidates with masses less than 1 GeV. [cite conference |first=M. |last=Cassé |authorlink= |coauthors=Fayet, P. |title=Light Dark Matter |booktitle= |pages= |publisher= |conference=21st IAP Colloquium Mass Profiles and … Wikipedia
light — Ⅰ. light [1] ► NOUN 1) the natural agent that stimulates sight and makes things visible; electromagnetic radiation from about 390 to 740 nm in wavelength. 2) a source of illumination. 3) a device producing a flame or spark. 4) (lights) traffic… … English terms dictionary
Light transport theory — deals with the mathematics behind calculating the energy transfers between media that affect visibility. This article is currently specific to light transport in rendering processes such as global illumination and HDRI. Light Light Transport The… … Wikipedia
Density matrix — Mixed state redirects here. For the psychiatric condition, see Mixed state (psychiatry). In quantum mechanics, a density matrix is a self adjoint (or Hermitian) positive semidefinite matrix (possibly infinite dimensional) of trace one, that… … Wikipedia
Light meter — A light meter is a device used to measure the amount of light. In photography, a light meter is often used to determine the proper exposure for a photograph. Typically a light meter will include a computer, either digital or analogue, which… … Wikipedia
Density of states — Condensed matter physics Phases · Phase tr … Wikipedia
Light — For other uses, see Light (disambiguation). Visible light redirects here. For other uses, see Visible light (disambiguation) … Wikipedia
Light rail in North America — The term light rail was coined in 1972 by the U.S. Urban Mass Transit Association (UMTA) to describe new streetcar transformations which were taking place in Europe and the United States. The Germans used the term stadtbahn to describe the… … Wikipedia