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Pavement lights (UK), vault lights (US), floor lights, or sidewalk prisms are flat-topped walk-on skylights, usually set into pavement (sidewalks) or floors to let sunlight into the space below. They often use anidolic lighting prisms to throw the light sideways under the building.
Electroluminescent wire (often abbreviated as EL wire) is a thin copper wire coated in a phosphor that produces light through electroluminescence when an alternating current is applied to it. It can be used in a wide variety of applications—vehicle and structure decoration, safety and emergency lighting, toys, clothing etc.—much as rope ...
The first city in the United States to successfully demonstrate electric lighting was Cleveland, Ohio, with 12 electric lights around the Public Square road system on 29 April 1879. [ 28 ] [ 29 ] Wabash, Indiana , lit 4 Brush arc lamps with 3,000 candlepower each, suspended over their courthouse on 2 February 1880, making the town square "as ...
Luminaria in Spanish means "illumination", "festival light", or in ecclesiastical usage, a "lamp kept burning before the sacrament". [11] The Spanish word was derived from Latin luminare meaning a light source generally, or in a religious context, "a light, lamp, burned in the Jewish temple and in Christian churches". [ 12 ]
Light can be used to transmit data and analog signals. For example, lighting white LEDs can be used in systems assisting people to navigate in closed spaces while searching necessary rooms or objects. [100] Assistive listening devices in many theaters and similar spaces use arrays of infrared LEDs to send sound to listeners' receivers.
An electric light, lamp, or light bulb is an electrical component that produces light. It is the most common form of artificial lighting . Lamps usually have a base made of ceramic , metal, glass, or plastic which secures the lamp in the socket of a light fixture , which is often called a "lamp" as well.
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