Lighting or illumination is the deliberate use of light to attain a practical or aesthetic effect. Lighting contains the use of both artificial light sources like lamps and lighting fixtures, in addition to natural illumination by capturing daylight. Daylighting (utilizing windows, skylights, or light shelves) is typically used as the primary supply of light during daytime in buildings. This can save energy in place of utilizing artificial lighting, which represents a significant element of energy consumption in buildings. Correct lighting can enhance task efficiency, improve the appearance of an area, or have constructive psychological results on occupants.
Indoor lighting is often accomplished utilizing lighting fixtures, and is a key part of interior design. Lighting can be an intrinsic element of landscape projects.
With the discovery of fireplace, the earliest type of artificial lighting used to light up an area had been campfires or torches. As early as four hundred,000 BCE, hearth was kindled within the caves of Peking Man. Prehistoric folks used primitive oil lamps to light up surroundings. These lamps had been comprised of naturally occurring materials comparable to rocks, shells, horns and stones, had been stuffed with grease, and had a fiber wick. Lamps usually used animal or vegetable fats as fuel. Lots of of those lamps (hollow labored stones) have been discovered within the Lascaux caves in modern-day France, courting 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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