Lighting or illumination is the deliberate use of light to achieve a practical or aesthetic effect. Lighting consists of the usage of both artificial light sources like lamps and lighting fixtures, in addition to natural illumination by capturing daylight. Daylighting (utilizing home windows, skylights, or light shelves) is typically used as the main source of light throughout daytime in buildings. This may save vitality instead of utilizing artificial lighting, which represents a significant component of vitality consumption in buildings. Proper lighting can enhance process efficiency, improve the looks of an area, or have optimistic psychological effects on occupants.
Indoor lighting is normally achieved utilizing lighting fixtures, and is a key part of interior design. Lighting can be an intrinsic component of panorama 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, fireplace was kindled in the caves of Peking Man. Prehistoric individuals used primitive oil lamps to illuminate surroundings. These lamps were constituted of naturally occurring supplies resembling rocks, shells, horns and stones, were crammed with grease, and had a fiber wick. Lamps typically used animal or vegetable fat as fuel. Hundreds of those lamps (hole worked stones) have been discovered in the Lascaux caves in trendy-day France, courting to about 15,000 years ago. Oily animals (birds and fish) were also used as lamps after being threaded with a wick. Fireflies have been used as lighting sources. Candles and glass and pottery lamps were also invented
. Click here to see all digital image