Lighting or illumination is the deliberate use of light to realize a sensible or aesthetic effect. Lighting contains using both artificial light sources like lamps and light fixtures, as well as pure illumination by capturing daylight. Daylighting (using home windows, skylights, or light cabinets) is usually used as the principle source of light throughout daytime in buildings. This could save energy rather than using artificial lighting, which represents a serious component of energy consumption in buildings. Proper lighting can improve task efficiency, enhance the appearance of an space, or have constructive psychological effects on occupants.
Indoor lighting is often achieved using light fixtures, and is a key part of inside design. Lighting may also be an intrinsic component of panorama projects.
With the invention of fireplace, the earliest form of artificial lighting used to illuminate an space had been campfires or torches. As early as four hundred,000 BCE, fireplace was kindled within the caves of Peking Man. Prehistoric people used primitive oil lamps to illuminate surroundings. These lamps had been constructed from naturally occurring supplies resembling rocks, shells, horns and stones, had been crammed with grease, and had a fiber wick. Lamps typically used animal or vegetable fat as fuel. A whole bunch of these lamps (hollow worked stones) have been found within the Lascaux caves in fashionable-day France, relationship to about 15,000 years ago. Oily animals (birds and fish) had been additionally used as lamps after being threaded with a wick. Fireflies have been used as lighting sources. Candles and glass and pottery lamps had been additionally invented
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