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  2. Lightguide display - Wikipedia

    en.wikipedia.org/wiki/Lightguide_display

    Light guide LEDs using plastic light guides on a network switch The technology was rendered obsolete by the development of light-emitting diodes (LED) in the 1970s, though lightguide tubes are still used in electronics manufacturing, in situations where it is difficult to place an LED in the appropriate physical location on a display or bezel.

  3. Light tube - Wikipedia

    en.wikipedia.org/wiki/Light_tube

    The 3M company developed a system based on optical lighting film [36] and developed the 3M light pipe, [37] which is a light guide designed to distribute light uniformly over its length, with a thin film incorporating microscopic prisms, [26] which has been marketed in connection with artificial light sources, e.g. sulfur lamps.

  4. Phoebus cartel - Wikipedia

    en.wikipedia.org/wiki/Phoebus_cartel

    The Phoebus cartel was an international cartel that controlled the manufacture and sale of incandescent light bulbs in much of Europe and North America between 1925 and 1939. . The cartel took over market territories and lowered the useful life of such bulbs, which is commonly cited as an example of planned obsolescen

  5. Electric light - Wikipedia

    en.wikipedia.org/wiki/Electric_light

    An electric light, lamp, or light bulb is an electrical component that produces light. It is the most common form of artificial lighting . Lamps usually have a base made of ceramic , metal, glass, or plastic which secures the lamp in the socket of a light fixture , which is often called a "lamp" as well.

  6. Energy Star - Wikipedia

    en.wikipedia.org/wiki/Energy_Star

    EPA graphic promoting light bulb replacement. The Energy Star is awarded to only certain bulbs that meet strict efficiency, quality, and lifetime criteria. Energy Star qualified fluorescent lighting uses 75% less energy and lasts up to ten times longer than normal incandescent lights. [31] Energy Star Qualified light-emitting diode (LED) Lighting:

  7. 6 Healthy Reasons to Finally Try Dry January In 2025 - AOL

    www.aol.com/benefits-dry-january-may-convince...

    Dry January is a challenge started in 2013 to eliminate alcohol from your diet. This is what you need to know about the health benefits.

  8. 3-way lamp - Wikipedia

    en.wikipedia.org/wiki/3-way_lamp

    A 3-way lamp, also known as a tri-light, is a lamp that uses a 3-way light bulb to produce three levels of light in a low-medium-high configuration. A 3-way lamp requires a 3-way bulb and socket, and a 3-way switch. In 3-way incandescent light bulbs, each of the filaments operates at full voltage. Lamp bulbs with dual carbon filaments were ...

  9. Bitter cold winter temperatures are on their way out, but ...

    www.aol.com/bitter-cold-winter-temperatures-way...

    In Texas, light to moderate rain and thunderstorms will spread across most of the state beginning on Saturday before the storm system moves northeastward and brings heavy rain into the lower ...

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