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2. VELUX - Wikipedia

   en.wikipedia.org/wiki/VELUX

   VELUX is a Danish manufacturing company that specialises in roof windows, skylights, sun tunnels and related accessories. The company is headquartered in Hørsholm, Denmark and is a part of VKR Holding A/S. VELUX Group is a founding partner of the global Active House Alliance.

3. Light tube - Wikipedia

   en.wikipedia.org/wiki/Light_tube

   Light transmission efficiency is greatest if the tube is short and straight. In longer, angled, or flexible tubes, part of the light intensity is lost. To minimize losses, a high reflectivity of the tube lining is crucial; manufacturers claim reflectivities of their materials, in the visible range, of up to almost 99.5 percent. [10] [11]

4. Kurifier Solar Torch Lights are on sale and perfect for ...

   www.aol.com/lifestyle/kurifier-solar-lights...

   What fans say. More than 6,000 Amazon shoppers have given these lights glowing reviews. Each torch sits on a plastic stake and pole that can be inserted directly into the ground sans tools. "Super ...

5. Skylight - Wikipedia

   en.wikipedia.org/wiki/Skylight

   Solar tubes, sun tunnels, or tubular skylights consist of a roof-mounted fixed unit skylight element, condensing sunlight, distributed by a light conveying optic conduit to a light diffusing element. [3] Being small in diameter, they can be used for daylighting smaller spaces such as hallways, and bounce light in darker corners of spaces. TDDs ...

6. Daylighting (architecture) - Wikipedia

   en.wikipedia.org/wiki/Daylighting_(architecture)

   The human eye's response to light is non-linear, so a more even distribution of the same amount of light makes a room appear brighter. The source of all daylight is the Sun. The proportion of direct to diffuse light impacts the amount and quality of daylight. [1] "Direct sunlight" reaches a site without being scattered within Earth's atmosphere.

7. Counter-beam lighting - Wikipedia

   en.wikipedia.org/wiki/Counter-beam_lighting

   Light beam from road tunnel fixture inclined towards approaching vehicle such that contrast is enhanced of obstacle on road. Counter-beam lighting (German: Gegenstrahlbeleuchtung) is a type of road lighting used mainly in road tunnels, providing best visibility of obstacles on the lane, and thus traffic safety, while reducing light-energy cost.