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Examining Office and Workplace lighting, with a particular interest in the belief that brighter light is most conducive to higher productivity. Source material is academic and scientific, with support from industry and soft sciences where appropriate.
An LED lamp or LED light bulb is an electric light for use in light fixtures that produces light using one or more light-emitting diodes (LEDs). LED lamps have a lifespan many times longer than equivalent incandescent lamps, and are significantly more efficient than most fluorescent lamps, with some LED chips able to emit up to 303 lumens per watt (as claimed by Cree and some other LED ...
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More recently, LED bulbs have advanced to be much brighter and with a nicer light color. This is why you see them being used in the headlamps of fancy cars, and they are even creeping into the art galleries and expensive stores.
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How Artificial Light Is Wrecking Your Sleep, and What to Do about It. Read more and find related Cancer, Depression & Mental Health, Heart Disease, Sleep articles from Chris Kresser.
In 1872, Russian Alexander Lodygin invented an incandescent light bulb and obtained a Russian patent in 1874. He used as a burner two carbon rods of diminished section in a glass receiver, hermetically sealed, and filled with nitrogen, electrically arranged so that the current could be passed to the second carbon when the first had been consumed.
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