Lighting or illumination is the deliberate use of light to achieve a practical or aesthetic effect. Lighting includes using each artificial gentle sources like lamps and light fixtures, as well as natural illumination by capturing daylight. Daylighting (utilizing windows, skylights, or gentle shelves) is usually used as the main source of light throughout daytime in buildings. This could save energy instead of utilizing artificial lighting, which represents a major component of energy consumption in buildings. Correct lighting can enhance job performance, enhance the looks of an space, or have constructive psychological effects on occupants.
Indoor lighting is normally achieved utilizing light fixtures, and is a key part of interior design. Lighting can be an intrinsic component of landscape projects.
With the invention of fire, the earliest type of artificial lighting used to illuminate an space were campfires or torches. As early as 400,000 BCE, hearth was kindled within the caves of Peking Man. Prehistoric folks used primitive oil lamps to illuminate surroundings. These lamps were made out of naturally occurring supplies reminiscent of rocks, shells, horns and stones, were filled with grease, and had a fiber wick. Lamps usually used animal or vegetable fats as fuel. Hundreds of these lamps (hole worked stones) have been found within the Lascaux caves in trendy-day France, courting to about 15,000 years ago. Oily animals (birds and fish) were also used as lamps after being threaded with a wick. Fireflies have been used as lighting sources. Candles and glass and pottery lamps were also invented
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