Lux vs Otsu

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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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Ōtsu (大津市, Ōtsu-shi) is the capital city of Shiga Prefecture, Japan. Ōtsu is known as the main port of Lake Biwa, the largest lake in Japan. It briefly served as the capital of Japan from 667 to 672 AD during the Asuka period (538 – 710). The city is home to numerous sites of historical importance, notably the temples of Mii-dera, Ishiyama-dera, and Enryaku-ji and the Hiyoshi Taisha shrine. Enryaku-ji is part of the UNESCO World Heritage Site "Historic Monuments of Ancient Kyoto (Kyoto, Uji and Otsu Cities)".

Ōtsu was incorporated as a town on April 1, 1889. In October 1, 1898, Ōtsu-town was officially changed to Ōtsu-city. As of October 1, 2017, the city has an estimated population of 341,187 and a population density of 730 persons per km2. The total area is 464.51 km2 (179 sq mi).

Source: Wikipedia