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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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Dubá (German: Dauba) is a town in the Liberec Region of the Czech Republic. It has a population of around 1,700.
Lesko [ˈlɛskɔ] (or Lisko until 1926; Latin: Lescow, alias Olesco Lescovium; Yiddish:...
North Platte is a city in and the county seat of Lincoln County, Nebraska, United States. It is...
Banja Luka (Serbian Cyrillic: Бања Лука, pronounced [bǎɲa lǔːka] (listen)) or Banjaluka (Бањалука...
Babie (Hungarian: Bábafalva) is a village and municipality in the Vranov nad Topľou District in...