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  2. Flicker (screen) - Wikipedia

    en.wikipedia.org/wiki/Flicker_(screen)

    The flicker of a CRT monitor can cause various symptoms in those sensitive to it such as eye strain, headaches [9] in migraine sufferers, and seizures in epileptics. [10]As the flicker is most clearly seen at the edge of our vision there is no obvious risk in using a CRT, but prolonged use can cause a sort of retinal shock where the flickering is seen even when looking away from the monitor.

  3. Hydrargyrum medium-arc iodide lamp - Wikipedia

    en.wikipedia.org/wiki/Hydrargyrum_medium-arc...

    Two ways of doing this are described in the ballast section below. The problem of flickering exists only when using the bulb in combination with magnetic ballast (electronic ballasts produce flicker-free light). HMI bulbs (running with magnetic ballast) present an inherent problem of possibly producing light on film or video with a noticeable ...

  4. Flicker noise - Wikipedia

    en.wikipedia.org/wiki/Flicker_noise

    Flicker noise is a type of electronic noise with a 1/f power spectral density. It is therefore often referred to as 1/ f noise or pink noise , though these terms have wider definitions. It occurs in almost all electronic devices and can show up with a variety of other effects, such as impurities in a conductive channel, generation and ...

  5. Flicker (light) - Wikipedia

    en.wikipedia.org/wiki/Flicker_(light)

    The short-term flicker indicator P st LM is implemented in a light flickermeter which processes the light measured by means of a light sensor. The light flickermeter [ 14 ] [ 15 ] consists of four processing blocks which include weighting filters to account for frequency dependency of the visibility of TLMs as well as statistical processing to ...

  6. Yes, You Really Should Bake With Room Temperature Eggs ... - AOL

    www.aol.com/yes-really-bake-room-temperature...

    It makes a difference.

  7. Doctors Say This Nighttime Behavior Can Be A Sign Of Dementia

    www.aol.com/doctors-nighttime-behavior-sign...

    However, Dr. Kobylarz notes it can start as early as 1 p.m. for some people. What Sundowning Looks Like There’s a difference between being totally over your day and sundowning.

  8. Power-line flicker - Wikipedia

    en.wikipedia.org/wiki/Power-line_flicker

    The requirements of a flicker measurement equipment are defined in the international electro-technical standard IEC 61000-4-15. [2]A flickermeter is composed of several function blocks which simulate a 230 V/60 W or a 120 V/60 W incandescent lamp (reference lamp) and the human perception system (eye-brain model).

  9. The best gifts to buy your grandkids — from babies to big ...

    www.aol.com/lifestyle/the-best-gifts-to-buy-your...

    With five multicolor play shapes, this foam fort building set will give kiddos plenty of ways to play. From a cozy couch to a castle and moat, their imagination is the limit.