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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. List of backmasked messages - Wikipedia

    en.wikipedia.org/wiki/List_of_backmasked_messages

    A quote from the demon Pazuzu in the film The Exorcist (1973). Butthole Surfers "Pepper" "I don't mind the sun sometimes, the images it shows. I can taste you on my lips and smell you in my clothes. Cinnamon and sugary and softly spoken lies. You never know just how you look through other people's eyes."

  4. Vanishing Point (1971 film) - Wikipedia

    en.wikipedia.org/wiki/Vanishing_Point_(1971_film)

    Vanishing Point is a 1971 American action film directed by Richard C. Sarafian, starring Barry Newman, Cleavon Little, and Dean Jagger. [3] It focuses on a disaffected ex-policeman and race car driver delivering a muscle car cross-country to California while high on speed ("uppers" in the story), being chased by police, and meeting various characters along the way.

  5. Backmasking - Wikipedia

    en.wikipedia.org/wiki/Backmasking

    Backmasking is a recording technique in which a message is recorded backward onto a track that is meant to be played forward. [1] It is a deliberate process, whereas a message found through phonetic reversal may be unintentional.

  6. Wagon-wheel effect - Wikipedia

    en.wikipedia.org/wiki/Wagon-wheel_effect

    By humming at slightly higher and lower frequencies, he was able to make the rotation reverse slowly and to make the rotation go slowly in the direction of rotation. A similar stroboscopic effect is now commonly observed by people eating crunchy foods, such as carrots, while watching TV: the image appears to shimmer. [ 7 ]

  7. 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 ...

  8. 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 ...

  9. Car Safety Tech Really Does Cut Number of Rear-End ... - AOL

    www.aol.com/car-safety-tech-really-does...

    More recently, earlier this fall AAA cautioned that the safety systems can't completely protect vehicles from rear-end crashes, particularly those that happen at higher speeds in the 40-mph range ...