Lighting or illumination is the deliberate use of sunshine to achieve a practical or aesthetic effect. Lighting consists of the use of both artificial gentle sources like lamps and lighting fixtures, in addition to natural illumination by capturing daylight. Daylighting (utilizing windows, skylights, or gentle shelves) is usually used as the main source of sunshine during daytime in buildings. This could save power instead of utilizing artificial lighting, which represents a major part of power consumption in buildings. Proper lighting can improve process efficiency, improve the appearance of an area, or have positive psychological results on occupants.
Indoor lighting is normally accomplished utilizing lighting fixtures, and is a key a part of interior design. Lighting can be an intrinsic part of panorama projects.
With the invention of fireside, the earliest form of artificial lighting used to light up an area were campfires or torches. As early as 400,000 BCE, hearth was kindled in the caves of Peking Man. Prehistoric people used primitive oil lamps to light up surroundings. These lamps were constituted of naturally occurring materials comparable to rocks, shells, horns and stones, were crammed with grease, and had a fiber wick. Lamps usually used animal or vegetable fat as fuel. Tons of of those lamps (hollow worked stones) have been found in 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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