Lighting or illumination is the deliberate use of light to achieve a sensible or aesthetic effect. Lighting consists of using both synthetic mild sources like lamps and light fixtures, in addition to natural illumination by capturing daylight. Daylighting (using home windows, skylights, or mild shelves) is usually used as the primary supply of light during daytime in buildings. This could save energy in place of using synthetic lighting, which represents a serious part of energy consumption in buildings. Proper lighting can improve job efficiency, enhance the appearance of an area, or have positive psychological results on occupants.
Indoor lighting is normally accomplished using light fixtures, and is a key part of interior design. Lighting can also be an intrinsic part of landscape projects.
With the discovery of fireplace, the earliest form of synthetic lighting used to illuminate an area were campfires or torches. As early as 400,000 BCE, hearth was kindled within the caves of Peking Man. Prehistoric people used primitive oil lamps to illuminate surroundings. These lamps were made out of naturally occurring supplies akin to rocks, shells, horns and stones, were filled with grease, and had a fiber wick. Lamps sometimes used animal or vegetable fats as fuel. Tons of of those lamps (hollow worked stones) have been discovered within the Lascaux caves in fashionable-day France, dating to about 15,000 years ago. Oily animals (birds and fish) were additionally used as lamps after being threaded with a wick. Fireflies have been used as lighting sources. Candles and glass and pottery lamps were additionally invented
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