Lux vs Gniezno

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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.

In English, "lux" is used as both the singular and plural form.The word is derived from the Latin word for "light", lux.

Source: Wikipedia

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Gniezno ([ˈɡɲeznɔ] (listen); German: Gnesen) is a city in central-western Poland, about 50 kilometres (31 miles) east of Poznań, with 68,943 inhabitants making it the sixth-largest city in the Greater Poland Voivodeship. One of the Piast dynasty's chief cities, it was the first historical capital of Poland in the 10th century and early 11th century, it was mentioned in 10th-century sources, possibly including the Dagome Iudex, as the capital of Piast Poland.

The Roman Catholic archbishop of Gniezno is the primate of Poland, making it the country's ecclesiastical capital. It has belonged since 1999 to the Greater Poland Voivodeship, and is the administrative seat of Gniezno County (powiat).

Source: Wikipedia