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  2. List of automotive light bulb types - Wikipedia

    en.wikipedia.org/wiki/List_of_automotive_light...

    UN Regulation 37 covers motor vehicle filament lamps. These are categorized in three groups: those without general restriction that can be used in any application, those acceptable only for signalling lights (not for road illumination lamps), and those no longer allowable as light sources for new type approvals but still permitted for production as replacement parts.

  3. USS Cyclops - Wikipedia

    en.wikipedia.org/wiki/USS_Cyclops

    USS Cyclops (AC-4) was the second of four Proteus-class colliers built for the United States Navy several years before World War I. [ citation needed ] Named after the Cyclops , a race of giants from Greek mythology , she was the second U.S. naval vessel to bear the name.

  4. Phase-out of incandescent light bulbs - Wikipedia

    en.wikipedia.org/wiki/Phase-out_of_incandescent...

    Announced in 2011 China has banned imports and sales of certain incandescent light bulbs since October 2012 to encourage the use of alternative lighting sources such as light-emitting diodes (LEDs), with a 5-year plan of phasing-out incandescent light bulbs over 100 watts starting 1 October 2012, and gradually extend the ban to those over 15 ...

  5. Cyclops (computer system) - Wikipedia

    en.wikipedia.org/wiki/Cyclops_(computer_system)

    With the advent of the more comprehensive Hawk-eye system in the early 2000s, Cyclops began to be superseded at major tournaments. Cyclops was replaced by Hawk-Eye at the US Open from 2006, and at the Australian Open and Wimbledon from 2007. [4] Cyclops is not currently used in any capacity at any of the tennis Grand Slam events.

  6. 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

  7. Headlamp - Wikipedia

    en.wikipedia.org/wiki/Headlamp

    The French yellow-light mandate was based on observations by the French Academy of Sciences in 1934, when the academy recorded that the selective yellow light was less dazzling than white light and that the light diffused less in fog than green or blue lights. [citation needed] Yellow light was obtained by dint of yellow glass for the headlight ...

  8. Hot-bulb engine - Wikipedia

    en.wikipedia.org/wiki/Hot-bulb_engine

    Hot-bulb engine (two-stroke). 1. Hot bulb. 2. Cylinder. 3. Piston. 4. Crankcase Old Swedish hot-bulb engine in action. The hot-bulb engine, also known as a semi-diesel [1] or Akroyd engine, is a type of internal combustion engine in which fuel ignites by coming in contact with a red-hot metal surface inside a bulb, followed by the introduction of air (oxygen) compressed into the hot-bulb ...

  9. Tarantul-class corvette - Wikipedia

    en.wikipedia.org/wiki/Tarantul-class_corvette

    In the late 1970s, the Soviets realised the need for a larger, more seaworthy craft with better gun armament and higher positioned air search radars.In the Tarantul class, both the single 76 mm (3.0 in) main gun and the two 30 mm (1.2 in) Gatling-type guns are used for air defence, together with a comprehensive electronic warfare suite.