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The lux (symbol: lx) is the SI derived unit of illuminance, measuring luminous flux per unit area. It is equal to one lumen per square metre. In photometry, this is used as a measure of the intensity, as perceived by the human eye, of light that hits or passes through a surface. It is analogous to the radiometric unit watt per square metre, but with the power at each wavelength weighted according to the luminosity function, a standardized model of human visual brightness perception.
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Nowe [ˈnɔvɛ] (German: Neuenburg in Westpreußen) is a town in Świecie County, Kuyavian-Pomeranian Voivodeship, Poland, with 6,270 inhabitants (2004).
Green is the color between blue and yellow on the visible spectrum. It is evoked by light which...
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Cherepovets (Russian: Череповец, IPA: [tɕɪrʲɪpɐˈvʲɛts]) is a city in Vologda Oblast, Russia,...
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