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  2. Luxottica - Wikipedia

    en.wikipedia.org/wiki/Luxottica

    Luxottica Group S.p.A. is an Italian eyewear conglomerate based in Milan. As a vertically integrated company, Luxottica designs, manufactures, distributes, and retails its eyewear brands all through its own subsidiaries. The company, presently organized as a subsidiary of EssilorLuxottica which formed when the Italian conglomerate merged with ...

  3. Sunglasses - Wikipedia

    en.wikipedia.org/wiki/Sunglasses

    The Ray-Ban Wayfarer is a (mostly) plastic-framed design for sunglasses produced by the Ray-Ban company. Introduced in 1952, the trapezoidal lenses are wider at the top than the bottom (inspired by the Browline eyeglasses popular at the time), and were famously worn by James Dean , Roy Orbison , Elvis Presley , Bob Marley , The Beatles and ...

  4. Polarizer - Wikipedia

    en.wikipedia.org/wiki/Polarizer

    For a stack of 10 plates (20 reflections), about 3% (= (1 − 0.16) 20) of the s-polarized light is transmitted. The reflected beam, while fully polarized, is spread out and may not be very useful. A more useful polarized beam can be obtained by tilting the pile of plates at a steeper angle to the incident beam.

  5. Americans want to rein in the Supreme Court justices, poll finds

    www.aol.com/news/americans-want-rein-supreme...

    On the question of whether the justices make decisions based on the law or their partisan political views, 65% of Democrats said politics drove the court, while 51% of independents and just 26% of ...

  6. Ultraviolet index - Wikipedia

    en.wikipedia.org/wiki/Ultraviolet_index

    The ultraviolet index, or UV index, is an international standard measurement of the strength of the sunburn -producing ultraviolet (UV) radiation at a particular place and time. It is primarily used in daily and hourly forecasts aimed at the general public. The UV index is designed as an open-ended linear scale, directly proportional to the ...

  7. Ultraviolet - Wikipedia

    en.wikipedia.org/wiki/Ultraviolet

    Ultraviolet ( UV) light is electromagnetic radiation of wavelengths of 10–400 nanometers, shorter than that of visible light, but longer than X-rays. UV radiation is present in sunlight, and constitutes about 10% of the total electromagnetic radiation output from the Sun. It is also produced by electric arcs, Cherenkov radiation, and ...

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