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  2. 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 ...

  3. Flicker (light) - Wikipedia

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

    In visual perception, flicker is a human-visible change in luminance of an illuminated surface or light source which can be due to fluctuations of the light source itself, or due to external causes such as due to rapid fluctuations in the voltage of the power supply (power-line flicker) or incompatibility with an external dimmer.

  4. Stroboscopic effect - Wikipedia

    en.wikipedia.org/wiki/Stroboscopic_effect

    Stroboscopic effect is one of the particular temporal light artefacts.In common lighting applications, the stroboscopic effect is an unwanted effect which may become visible if a person is looking at a moving or rotating object which is illuminated by a time-modulated light source.

  5. AOL Video - Troubleshooting - AOL Help

    help.aol.com/articles/aol-video-troubleshooting

    For example, if you have a 56kbs dial-up connection to the internet, you will be able to watch videos with a bit rate of 56kbs or less. (A majority of dial-up connections have speeds of 28kbs or less because of issues with the phone lines). If you try to watch a video clip with a bit rate of 300kbs over a dial-up connection, the video will not ...

  6. Twinkle bulb - Wikipedia

    en.wikipedia.org/wiki/Twinkle_bulb

    The original twinkle bulbs were C7½ and some C9¼ incandescent light bulbs with a bimetallic strip. Once the bulb warms up, the strip pulls slightly away from the contact, opening and interrupting the parallel circuit through the bulb and turning it off. The bulb then cools, allowing the strip to bend back and make contact again.

  7. The Most Popular Christmas Cocktail in Every State — And How ...

    www.aol.com/most-popular-christmas-cocktail...

    Cranberry Mimosa. Iowa, Kentucky, North Carolina, South Carolina, Virginia, Louisiana, Hawaii . Seven states seem to prefer a Christmas brunch drink for the holidays.

  8. Canada's Trudeau returns home after Trump meeting without ...

    www.aol.com/canadas-trudeau-says-had-excellent...

    Canadian Prime Minister Justin Trudeau returned home Saturday after his meeting with Donald Trump without assurances the president-elect will back away from threatened tariffs on all products from ...

  9. Texas man hopes to reunite with family after they were ...

    www.aol.com/news/texas-man-hopes-reunite-family...

    Federico Arellano is a U.S. citizen and says three of his four children are too. He says the situation is a misunderstanding and that his family was misled before being deported.