Plzeň vs Lux

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Plzeň (Czech pronunciation: [ˈpl̩zɛɲ] (listen); German and English: Pilsen, ) is a city in the Czech Republic. About 90 kilometres (56 miles) west of Prague in western Bohemia, it is the fourth most populous city in the Czech Republic with about 175,000 inhabitants.

The city is known worldwide for Pilsner beer, created by Bavarian brewer Josef Groll here in 1842.

Source: Wikipedia

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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