Lighting or illumination is the deliberate use of light to achieve a practical or aesthetic effect. Lighting contains the usage of each artificial light sources like lamps and light fixtures, as well as pure illumination by capturing daylight. Daylighting (using windows, skylights, or light shelves) is usually used as the principle source of light throughout daytime in buildings. This will save power rather than using artificial lighting, which represents a significant component of power consumption in buildings. Proper lighting can enhance job performance, improve the looks of an space, or have constructive psychological effects on occupants.
Indoor lighting is usually accomplished using light fixtures, and is a key a part of inside design. Lighting will also be an intrinsic component of landscape projects.
With the discovery of fireside, the earliest type of artificial lighting used to light up an space were campfires or torches. As early as 400,000 BCE, fireplace was kindled within the caves of Peking Man. Prehistoric people used primitive oil lamps to light up surroundings. These lamps were made out of naturally occurring supplies similar to rocks, shells, horns and stones, were filled with grease, and had a fiber wick. Lamps sometimes used animal or vegetable fat as fuel. Hundreds of these lamps (hole labored stones) have been found within the Lascaux caves in modern-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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