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2. LuminAID - Wikipedia

   en.wikipedia.org/wiki/LuminAID

   LuminAID is an emergency lighting company and the name of its key product, a solar-rechargeable light that packs flat and inflates to diffuse light like a lantern. LuminAID technology was invented in 2010 by Anna Stork and Andrea Sreshta. The company is based in Chicago.

3. Lantern - Wikipedia

   en.wikipedia.org/wiki/Lantern

   A lantern is an often portable source of lighting, typically featuring a protective enclosure for the light source – historically usually a candle, a wick in oil, or a thermoluminescent mesh, and often a battery-powered light in modern times – to make it easier to carry and hang up, and make it more reliable outdoors or in drafty interiors.

4. R. E. Dietz Company - Wikipedia

   en.wikipedia.org/wiki/R._E._Dietz_Company

   redietz.com. R. E. Dietz Co., Ltd. (formerly R. E. Dietz Company) is a lighting products manufacturer best known for its hot blast and cold blast kerosene lanterns. The company was founded in 1840 when its founder, 22-year-old Robert Edwin Dietz, purchased a lamp and oil business in Brooklyn, New York. Though famous for well-built indoor and ...

5. Petromax - Wikipedia

   en.wikipedia.org/wiki/Petromax

   Petromax is reliable and efficient light source but only with proper use and well maintained. Typical problems leading to malfunction of the lantern: Misuse (no sufficient pre-heating or forgetting to pressurise the fuel tank) Broken seals or loose joints or leakage in the container (pressure and/or fuel leaks at the wrong place)

6. Liter of Light - Wikipedia

   en.wikipedia.org/wiki/Liter_of_Light

   www.aliteroflight.org. Liter of Light is an open source design for a low-cost light tube (or deck prism or vault light) that refracts solar light to provide daytime interior lighting for dwellings with thin roofs. Daylighting is cheaper than using indoor electric lights during the day.

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 ...