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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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Galway ( GAWL-way; Irish: Gaillimh, pronounced [ˈɡal̠ʲɪvʲ]) is a city in the West of Ireland, in the province of Connacht. It is the county town of County Galway, which is named after it. It lies on the River Corrib between Lough Corrib and Galway Bay, and is the sixth most populous city in Ireland, with a population at the 2016 Census of 79,934.