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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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Montferland (pronunciation ) is a municipality in the Dutch province of Gelderland. It was created on 1 January 2005 from the amalgamation of the former municipalities of Bergh and Didam.
Baltimore ( BAWL-tim-or, locally: BAWL-mər; colloquially known simply as B'more) is the most...
Psychiko (Greek: Ψυχικό [psiçiˈko]) is a town and a suburb in the Athens agglomeration, Greece....
Philadelphia (colloquially known simply as Philly) is a city in the Commonwealth of Pennsylvania...
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