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  2. Back-up beeper - Wikipedia

    en.wikipedia.org/wiki/Back-up_beeper

    A white-noise back-up beeper provides a less disruptive alert than the original pure-tone alert. A back-up beeper, also known as back-up alarm or vehicle motion alarm, is a device intended to warn passers-by of a vehicle moving in reverse. Some models produce pure tone beeps at about 1000 Hz and 97-112 decibels. [1]

  3. Unsafe at Any Speed: The Designed-In Dangers of the American ...

    en.wikipedia.org/wiki/Unsafe_at_Any_Speed:_The...

    Nader counters by pointing out that, at the time, annual (and unnecessary) styling changes added, on average, about $700 to the consumer cost of a new car (equivalent to $7,000 in 2024). This compared to an average expenditure in safety by the automotive companies of about twenty-three cents per car (equivalent to $2.29 in 2024).

  4. Electric vehicle warning sounds - Wikipedia

    en.wikipedia.org/wiki/Electric_vehicle_warning...

    As a result of increased sales of full electric vehicle and hybrid electric vehicles in several countries, some members of the blind community have raised concerns about the noise reduction when those vehicles operate in all-electric mode, as blind people or the visually impaired consider the noise of combustion engines a helpful aid while crossing streets and think quiet hybrids could pose an ...

  5. Reversing (vehicle maneuver) - Wikipedia

    en.wikipedia.org/wiki/Reversing_(Vehicle_maneuver)

    Reversing (also known as backing up) is the process of driving a vehicle in the reverse direction in order to maneuver. Rear view mirrors are somewhat standard equipment for this endeavor. Reversing a vehicle is used as an intermediate step to complete a three point turn, J-turn, parallel park, or similar maneuver. These moves are used with the ...

  6. Sudden unintended acceleration - Wikipedia

    en.wikipedia.org/wiki/Sudden_unintended_acceleration

    At the time, NHTSA was investigating 50 car models from 20 manufacturers for sudden surges of power. [ 40 ] 60 Minutes aired a report titled "Out of Control" on November 23, 1986, [ 41 ] featuring interviews with six people who had sued Audi after reporting unintended acceleration, including footage of an Audi 5000 ostensibly displaying a surge ...

  7. Wagon-wheel effect - Wikipedia

    en.wikipedia.org/wiki/Wagon-wheel_effect

    The long time required to see the reverse rotation suggests that neural adaptation of the detectors responding to the true rotation has to occur before the weakly stimulated reverse-rotation detectors can contribute to perception. Some small doubts about the results of Kline et al. (2004) sustain adherents of the discrete-frame theory.

  8. Can pink noise enhance sleep and memory? Early research ... - AOL

    www.aol.com/news/pink-noise-enhance-sleep-memory...

    You may have heard of white noise used to mask background sounds. The science is new with only a few small studies behind it, but that hasn’t stopped thousands of people from listening to hours ...

  9. Bootleg turn - Wikipedia

    en.wikipedia.org/wiki/Bootleg_turn

    A bootleg turn is a driving maneuver intended to reverse the direction of travel of a forward-moving automobile by 180 degrees in a minimum amount of time while staying within the width of a two-lane road. [1] This maneuver is also known as a smuggler's turn, powerslide, or simply bootlegger.