Lux vs Caen

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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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Caen (, French: [kɑ̃] (listen); Norman: Kaem) is a commune in northwestern France. It is the prefecture of the department of Calvados. The city proper has 108,365 inhabitants (as of 2012), while its urban area has 420,000, making Caen the largest city in former Lower Normandy. It is also the third largest municipality in all of Normandy after Le Havre and Rouen and the third largest city proper in Normandy, also after Rouen and Le Havre. The metropolitan area of Caen, in turn, is the second largest in Normandy after that of Rouen, the 21st largest in France. It is located 15 kilometres (9.3 miles) inland from the English Channel, 200 kilometres (120 miles) north-west of Paris, and connected to the south of England by the Caen (Ouistreham) to Portsmouth ferry route.

Caen is located in the centre of its northern region, and it is a centre of political, economic and cultural power. Located a few miles from the coast, the landing beaches, the bustling resorts of Deauville and Cabourg, as well as Norman Switzerland and Pays d'Auge, Caen is often considered the archetype of Normandy. Caen is known for its historical buildings built during the reign of William the Conqueror, who was buried there, and for the Battle for Caen, heavy fighting that took place in and around Caen during the Battle of Normandy in 1944, destroying much of the city. The city has now preserved the memory by erecting a memorial and a museum dedicated to peace, the Mémorial de Caen.

Source: Wikipedia