Lighting or illumination is the deliberate use of light to attain a sensible or aesthetic effect. Lighting contains the usage of each artificial light sources like lamps and lighting fixtures, in addition to natural illumination by capturing daylight. Daylighting (using windows, skylights, or light cabinets) is sometimes used as the principle supply of light throughout daytime in buildings. This may save power rather than using artificial lighting, which represents a serious component of power consumption in buildings. Proper lighting can improve activity efficiency, improve the looks of an area, or have positive psychological effects on occupants.
Indoor lighting is usually achieved using lighting fixtures, and is a key a part of interior design. Lighting can also be an intrinsic component of landscape projects.
With the discovery of fire, the earliest form of artificial lighting used to illuminate an area were campfires or torches. As early as 400,000 BCE, fire was kindled within the caves of Peking Man. Prehistoric folks used primitive oil lamps to illuminate surroundings. These lamps were constructed from naturally occurring materials equivalent to rocks, shells, horns and stones, were stuffed with grease, and had a fiber wick. Lamps typically used animal or vegetable fat as fuel. Tons of of those lamps (hollow labored stones) have been found within the Lascaux caves in fashionable-day France, relationship 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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