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An LED holiday light. Light-emitting diode (LED) holiday lights are quickly gaining popularity in many places due to their low energy usage, long lifetime, and associated low maintenance. Colored LEDs are far more efficient at producing light than their colored incandescent counterparts.
General Electric provided the lights, as it had since 1962, and for the fourth year in a row LED lights were used. New round "sugar plum lights" in bright blue, green, and red colors were added in 2013 to enhance the tree's nighttime appearance. A garland of twinkling white 7-inch (18 cm) spherical ornaments were also added.
Christmas lights were too expensive for the average person; as such, electric Christmas lights did not become the majority replacement for candles until 1930. [20] In 1895, US President Grover Cleveland sponsored the first electrically lit Christmas tree in the White House. It featured over a hundred multicolored lights.
The early Christmas tree lights were simply night-lights strung together to form light strings. When General Electric commercially introduced Christmas lights, they quickly became popular. [5] [6] Edison Electric soon followed suit with an electric Christmas lamp. In the early 1990s the world's largest artificial Christmas tree maker, Boto ...
The Centennial Light was originally a 60-watt bulb, but has since dimmed significantly and is now as bright as a 4-watt bulb. [7] [8] [9] The hand-blown, carbon-filament common light bulb was invented by Adolphe Chaillet, a French engineer who filed a patent for this socket technology. [10]
Xenon, or high-intensity discharge (HID), lighting provides brighter headlights and increases visibility of many peripheral objects (e.g. street signs and pedestrians) left in the shadows by standard halogen lighting. However, the bright headlights have given rise to complaints about glare. [10]
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