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  2. Media control symbols - Wikipedia

    en.wikipedia.org/wiki/Media_control_symbols

    To identify the switch or switch position by which a faster than normal run (e.g. of tape) is started in the indicated direction. Fast forward: U+23E9 ⏩ #5108B Fast run; fast speed: To identify the switch or switch position by which a faster than normal run (e.g. of tape) is started in the indicated direction.

  3. Variations in traffic light operation - Wikipedia

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

    A flashing red ball signal on a "protected" left turn traffic signal indicates that left turning traffic may, after a full stop, complete their turn if and only if there is a long enough break in oncoming traffic. The flashing red usually occurs when the oncoming traffic has a green signal.

  4. Traffic light - Wikipedia

    en.wikipedia.org/wiki/Traffic_light

    This is an accepted version of this page This is the latest accepted revision, reviewed on 19 February 2025. Signaling device to control competing flows of traffic This article is about lights used for signalling. For other uses, see Traffic light (disambiguation). "Stoplight" redirects here. For other uses, see Stoplight (disambiguation). An LED 50- watt traffic light in Portsmouth, United ...

  5. Automotive lighting - Wikipedia

    en.wikipedia.org/wiki/Automotive_lighting

    The emergency stop signal is automatically activated if the vehicle speed is greater than 50 km/h (31 mph) and the emergency braking logic defined by regulation No. 13 (heavy vehicles), 13H (light vehicles), or 78 (motorcycles) is activated; the ESS may be displayed when a light vehicle's deceleration is greater than 6 m/s 2 (20 ft/s 2) or a ...

  6. Fast forward - Wikipedia

    en.wikipedia.org/wiki/Fast_forward

    The tape deck's motor activates at a speed higher than usual—for example, double the standard 1-7/8 ips playing speed of the 1/8" cassette tape—and can be stopped by the end of the tape, the pressing of a "Stop" button on the deck (or another button mechanism disengaging the button), or simply lifting a finger from the "Fast Forward" button.

  7. Earth Is Spinning Faster Than Usual, Giving Us the Shortest ...

    www.aol.com/earth-spinning-faster-usual-giving...

    This minuscule change in time means we might need to consider a negative leap second.

  8. Optical telegraph - Wikipedia

    en.wikipedia.org/wiki/Optical_telegraph

    The system consisted of a modified pendulum clock at each end with dials marked with ten numerals. The hands of the clocks almost certainly moved much faster than a normal clock. The hands of both clocks were set in motion at the same time with a synchronisation signal. Further signals indicated the time at which the dial should be read.

  9. Earth is spinning faster than usual, but why? What experts ...

    www.aol.com/news/earth-spinning-faster-usual-why...

    The shortened days are caused by the Earth spinning faster than usual, Interesting Engineering reported. ... Still, the possible implications of shorter-than-usual days – namely, a “negative ...

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