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  2. Macintosh startup - Wikipedia

    en.wikipedia.org/wiki/Macintosh_startup

    When a Macintosh boots into the classic Mac OS (Mac OS 9 or lower), the system will play its startup chime, and the screen will turn gray. The Happy Mac icon will appear, followed by the "Welcome to Mac OS" splash screen (or the small "Welcome to Macintosh" window in System 7.5 and earlier), which underwent several stylistic changes, the other ...

  3. Street light interference phenomenon - Wikipedia

    en.wikipedia.org/wiki/Street_light_interference...

    A street lamp mounted on a bracket and column A high pressure sodium street light fixture. Street light interference, sometimes called high voltage syndrome, is the claimed ability of individuals to turn street lights or outside building security lights on or off when passing near them. [1]

  4. Pilot-controlled lighting - Wikipedia

    en.wikipedia.org/wiki/Pilot-controlled_lighting

    At some airfields, the lights may flash once to warn pilots that the lights are about to go off, before turning off two minutes later. When using ARCAL, it is strongly recommended that aircraft on final approach to the airfield issue a fresh lighting command, even if the lights are already on, especially if the lights were activated by another ...

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  6. Variations in traffic light operation - Wikipedia

    en.wikipedia.org/wiki/Variations_in_traffic...

    This is also true in Chicago; the straight off straight on ramps from Lake Shore Drive to N Fullerton Ave display a red light and left turn arrow or a red light, never just a green arrow. On the island of Montreal, Canada, it is forbidden to turn right while a red signal is present. At many intersections, lights will change from red to a green ...

  7. Cuba left without electricity after hit from Hurricane Rafael

    www.aol.com/news/cuba-left-without-electricity...

    The hurricane had moved 155 miles (250 km) north and west of Havana by Thursday morning, spinning off into the Gulf of Mexico where it no longer pose Cuba left without electricity after hit from ...

  8. Intelligent lighting - Wikipedia

    en.wikipedia.org/wiki/Intelligent_lighting

    Moving lights are much more difficult to program than their conventional cousins because they have more attributes per fixture that must be controlled. A simple conventional lighting fixture uses only one channel of control per unit: intensity. Everything else that the light must do is pre-set by human hands (colour, position, focus, etc.)

  9. “Timestamped Pictures”: 50 Random Things People Did That ...

    www.aol.com/55-things-people-did-just-020043615.html

    Image credits: debdeman #6. Not me but my mother. My mom bought the travel insurance on her Disneyworld trip because she is bipolar and thought if she had a bad day they would get a refund.