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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.
The most common type of floodlight was the metal-halide lamp, which emits a bright white light (typically 75–100 lumens/Watt). Sodium-vapor lamps are also commonly used for sporting events, as they have a very high lumen to watt ratio (typically 80–140 lumens/Watt), making them a cost-effective choice when certain lux levels must be provided. [4]
The history of electric light is well documented, [11] and with the developments in lighting technology the profession of lighting developed alongside it. The development of high-efficiency, low-cost fluorescent lamps led to a reliance on electric light and a uniform blanket approach to lighting, but the energy crisis of the 1970s required more design consideration and reinvigorated the use of ...
Flooding outside a home Michael Routhier pushes past cobwebs, and slowly through the dimly lit crawl space in a home built during the 1750s, and crouches his way to the corner of the home's stone ...
J.W. “Butch” Martin, public works director of Virginia Gardens, shows plans for a drainage project that secured $700,000 in state funding in the 2025 Florida budget passed by the Legislature ...
Halogen floodlights for outdoor lighting systems as well as for watercraft are also manufactured for commercial and recreational use. They are now also used in desktop lamps. Tungsten-halogen lamps are frequently used as a near-infrared light source in Infrared spectroscopy. Halogen lamps were used on the Times Square Ball from 1999 to 2006.
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