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An LED lamp or LED light [1] is an electric light that produces light using light-emitting diodes (LEDs). LED lamps are significantly more energy-efficient than equivalent incandescent lamps and fluorescent lamps. [2] [3] [4] The most efficient commercially available LED lamps have efficiencies exceeding 200 lumens per watt (lm/W) and convert ...
IKEA is setting out to change the way you light your home, one bulb at a time. The Swedish retailer announced plans this week to become the first U.S. home furnishings chain to sell only LED ...
19th century. 1800–1809 Humphry Davy invents the arc lamp when using Voltaic piles (battery) for his electrolysis experiments. 1802 William Murdoch illuminates the exterior of the Soho Foundry with gas. 1805 Philips and Lee's Cotton Mill, Manchester was the first industrial factory to be fully lit by gas. 1809 Humphry Davy publicly ...
A halogen lamp (also called tungsten halogen, quartz-halogen, and quartz iodine lamp) is an incandescent lamp consisting of a tungsten filament sealed in a compact transparent envelope that is filled with a mixture of an inert gas and a small amount of a halogen, such as iodine or bromine. The combination of the halogen gas and the tungsten ...
A Tensor lamp is a trademarked brand of small high-intensity low-voltage desk lamp invented by Jay Monroe. [1] [2] The lamp was mainly popular during the 1960s and 1970s. [3] [4] The lamp was originally used by doctors and dentists, and later became more widely used. [5] Although the first prototype was created in 1959, the lamp was not made ...
Turn out the (incandescent) lights, the party's over at IKEA. The home furnishings company announced this week that it will dump incandescent light bulbs from its product offerings, part of its ...
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