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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.
Varese (UK: və-RAY-zay, -zee, US: var-AY-say, Italian: [vaˈreːze] (listen) or [vaˈreːse];...
Gdańsk ( gə-DANSK, also US: gə-DAHNSK; Polish: [ɡdaj̃sk] (listen); Kashubian: Gduńsk; German:...
Makiivka, Makiyivka or Makeyevka (Ukrainian: Макіївка, romanized: Makíjivka, IPA: [mɐˈkijiu̯kɐ];...