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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.
Łódź, also rendered in English as Lodz, is the third-largest city in Poland and a former...
A Coruña (Galician: [ɐ koˈɾuɲɐ]; Spanish: La Coruña [la koˈɾuɲa]; historical English: Corunna or...
Oxford () is the county town and only city of Oxfordshire, England. In 2017, its population was...
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