Lux vs Luleå

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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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Luleå ( LOO-lay-oh, Swedish: [ˈlʉ̌ːlɛɔ] (listen), locally [ˈlʉ̌ːlɛ] (listen); Westrobothnian: Lul, Leul, or Leol [²lʉːɽ], locally [²lewɽ]; Lule Sami: Luleju) is a city on the coast of northern Sweden, and the capital of Norrbotten County, the northernmost county in Sweden. Luleå has 48,728 inhabitants in its urban core (2018) and is the seat of Luleå Municipality (with a total population of 77,832). Luleå is Sweden's 25th largest city and Norbotten County's largest city.

Luleå has the seventh biggest harbour in Sweden for shipping goods. It has a large steel industry and is a centre for extensive research. Luleå University of Technology is one of Sweden's three technology universities (the other two are KTH and Chalmers) and the northernmost university in Sweden. The university has approximately 15,000 students.

Source: Wikipedia