Lighting or illumination is the deliberate use of light to achieve a sensible 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 (using windows, skylights, or light cabinets) is typically used as the principle source of light during daytime in buildings. This could save energy in place of using artificial lighting, which represents a significant component of energy consumption in buildings. Correct lighting can enhance task performance, enhance the appearance of an space, or have positive psychological effects on occupants.
Indoor lighting is normally accomplished using lighting fixtures, and is a key part of inside design. Lighting can be an intrinsic component of panorama projects.
With the discovery of fireplace, the earliest form of artificial lighting used to light up an space have been campfires or torches. As early as 400,000 BCE, hearth was kindled in the caves of Peking Man. Prehistoric individuals used primitive oil lamps to light up surroundings. These lamps have been constituted of naturally occurring supplies comparable to rocks, shells, horns and stones, have been filled with grease, and had a fiber wick. Lamps sometimes used animal or vegetable fats as fuel. Lots of of these lamps (hole labored stones) have been found in the Lascaux caves in modern-day France, courting to about 15,000 years ago. Oily animals (birds and fish) have been additionally used as lamps after being threaded with a wick. Fireflies have been used as lighting sources. Candles and glass and pottery lamps have been additionally invented
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