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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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Rots is a commune in the Calvados department in the Normandy region in northwestern France. On 1 January 2016, the former communes Lasson and Secqueville-en-Bessin were merged into Rots.
Plymouth ( (listen)) is a port city and unitary authority in South West England. It is located...
Itapipoca is a city in Ceará, Brazil. It was founded in 1823.
Augustine of Hippo (; Latin: Aurelius Augustinus Hipponensis; 13 November 354 – 28 August 430),...
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