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In optics, a diffuser (also called a light diffuser or optical diffuser) is any material that diffuses or scatters light in some manner to transmit soft light.Diffused light can be easily obtained by reflecting light from a white surface, while more compact diffusers may use translucent material, including ground glass, teflon, opal glass, and greyed glass.
However, in a "traditional" (tungsten-halogen) light fixture, the focus point position of a gobo is extremely hot, so these thin plastic films require special cooling elements to prevent melting. A lapse in the cooling apparatus, even for seconds, can ruin a plastic gobo in a tungsten-halogen lighting instrument.
A glow stick, also known as a light stick, chem light, light wand, light rod, and rave light, is a self-contained, short-term light-source. It consists of a translucent plastic tube containing isolated substances that, when combined, make light through chemiluminescence. The light cannot be turned off and can be used only once.
A gazebo is a pavilion structure, sometimes octagonal or turret-shaped, often built in a park, garden, or spacious public area. [1] Some are used on occasions as bandstands . The name is also now used for a tent like canopy structure with open sides used as partial shelter from sun and rain at outdoor events.
The Hotel St. Moritz in New York in the 1950s advertised itself as having the first true continental cafe with outdoor seating. The Toronto Star welcomed that city's first patio in the 1960s. In the United States, having a warmer and sunnier climate than Northern Europe, outdoor dining grew rapidly in the 1960s and today is a popular dining ...
LEDs are usually used as the primary lighting source of modern solar street lights, as the LED will provide much higher luminosity with lower energy consumption. The energy consumption of an LED fixture is at least 50% lower than the HPS fixture counterpart which is widely used as the lighting source in traditional street lights.
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