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  2. Emergency vehicle lighting - Wikipedia

    en.wikipedia.org/wiki/Emergency_vehicle_lighting

    White: Certain railroad-related machines, like fueling tankers, locomotive fuelling service-stations, track maintenance and switching engines, may also use a flashing white light. Purple : funeral processions - British Columbia, [ 33 ] Ontario, Quebec, Alberta, Manitoba, Nova Scotia, Newfoundland and Labrador, and Prince Edward Island.

  3. Light-emitting diode - Wikipedia

    en.wikipedia.org/wiki/Light-emitting_diode

    1 watt 9 volt three chips SMD phosphor based white LED. Among the challenges being faced to improve the efficiency of LED-based white light sources is the development of more efficient phosphors. As of 2010, the most efficient yellow phosphor is still the YAG phosphor, with less than 10% Stokes shift loss.

  4. Anti-collision light - Wikipedia

    en.wikipedia.org/wiki/Anti-collision_light

    Strobe lights are flashing white lights on the furthest left, right and, on larger aircraft and some smaller ones, back points of an aircraft. They are the brightest lights on the aircraft, and are used to signal that an aircraft is entering or approaching an active runway, or for visibility in dark, clear sky.

  5. Strobe light - Wikipedia

    en.wikipedia.org/wiki/Strobe_light

    Rapid flashing of a stroboscopic light can give the illusion that white light is tinged with color, known as Fechner color. Within certain ranges, the apparent color can be controlled by the frequency of the flash. Effective stimuli frequencies go from 3 Hz upwards, with optimal frequencies of about 4–6 Hz.

  6. US lawmakers tell Apple, Google to be ready to remove TikTok ...

    www.aol.com/news/us-lawmakers-tell-apple-google...

    WASHINGTON (Reuters) -The chair and top Democrat on a U.S. House of Representatives committee on China told the CEOs of Google-parent Alphabet and Apple on Friday they must be ready to remove ...

  7. Trump pauses DOJ enforcement of bribery laws for US firms ...

    www.aol.com/trump-pauses-doj-enforcement-bribery...

    The White House said that over time, FCPA interpretation and enforcement by U.S. prosecutors "has broadened, imposing a growing cost on our Nation’s economy." In 2024, it said, the DOJ and ...

  8. Aviation obstruction lighting - Wikipedia

    en.wikipedia.org/wiki/Aviation_obstruction_lighting

    Aircraft warning lights at the Mannheim telecommunications tower, in the background the bright torchlight of a steam cracker, in the distance warning lights from wind turbines Structure using a white strobe Structure using a Red/White Strobe Closeup of an aircraft warning light on top of a highrise in Changzhou, China Closeup of an aircraft warning light on top a factory facilities Structure ...

  9. The 6 Best High-Protein Alternatives to Eggs - AOL

    www.aol.com/6-best-high-protein-alternatives...

    $1.39 at amazon.com. Whole Flax Seed. Vegans know all about “flax egg.” But for the unfamiliar, you can turn these seeds into a thickener used for baking in the same way you’d use an actual egg.