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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.
Galdames (Basque pronunciation: [ɡaldames̺]) is a valley, town and municipality located in the...
Athens ( ATH-ɪnz; Greek: Αθήνα, romanized: Athína [aˈθina] (listen); Ancient Greek: Ἀθῆναι,...
Marseille ( mar-SAY, also spelled in English as Marseilles; French: [maʁsɛj] (listen), locally...
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