Lighting or illumination is the deliberate use of light to realize a practical or aesthetic effect. Lighting includes the usage of each artificial gentle sources like lamps and lighting fixtures, in addition to natural illumination by capturing daylight. Daylighting (using home windows, skylights, or gentle cabinets) is usually used as the principle source of light during daytime in buildings. This can save energy in place of using artificial lighting, which represents a significant part of energy consumption in buildings. Proper lighting can enhance activity efficiency, improve the looks of an space, or have constructive psychological results on occupants.
Indoor lighting is usually achieved using lighting fixtures, and is a key a part of inside design. Lighting can be an intrinsic part of panorama projects.
With the discovery of fire, the earliest form of artificial lighting used to light up an space had been campfires or torches. As early as 400,000 BCE, fire was kindled in the caves of Peking Man. Prehistoric folks used primitive oil lamps to light up surroundings. These lamps had been constructed from naturally occurring materials resembling rocks, shells, horns and stones, had been stuffed with grease, and had a fiber wick. Lamps sometimes used animal or vegetable fat as fuel. Lots of of those lamps (hollow worked stones) have been found in the Lascaux caves in modern-day France, dating to about 15,000 years ago. Oily animals (birds and fish) had been also used as lamps after being threaded with a wick. Fireflies have been used as lighting sources. Candles and glass and pottery lamps had been also invented
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