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  2. Chalkboard scraping - Wikipedia

    en.wikipedia.org/wiki/Chalkboard_scraping

    In contrast, humans are less averse to the white noise than to scraping. [4] A 1986 study used a tape-recording of a three-pronged garden tool similar to a fork being "grided" across a chalkboard, which roughly reproduces the sound of fingernails on chalkboard. The recording was then manipulated, removing pitches at the extremities and the median.

  3. List of unexplained sounds - Wikipedia

    en.wikipedia.org/wiki/List_of_unexplained_sounds

    The name was given because the sound slowly decreases in frequency over about seven minutes. It was recorded using an autonomous hydrophone array. [8] The sound has been picked up several times each year since 1997. [9] One of the hypotheses on the origin of the sound is moving ice in Antarctica. Sound spectrograms of vibrations caused by ...

  4. List of gestures - Wikipedia

    en.wikipedia.org/wiki/List_of_gestures

    Simultaneous finger guns with both hands can also be used to underscore the punchline of a joke, something of a visual equivalent to a "rimshot" sound effect. Finger heart is a hand gesture in which the subject has a palm up fist, raises their index finger and brings their thumb over it so as to form a small heart shape. It signals a similar ...

  5. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  6. Finger snapping - Wikipedia

    en.wikipedia.org/wiki/Finger_snapping

    A video of finger snapping Alternative snapping technique. Snapping (or clicking) one's fingers is the act of creating a snapping or clicking sound with one's fingers. . Primarily, this is done by building tension between the thumb and another (middle, index, or ring) finger and then moving the other finger forcefully downward, so it hits the palm of the same hand at a h

  7. Washboard (musical instrument) - Wikipedia

    en.wikipedia.org/wiki/Washboard_(musical_instrument)

    [6] [7] The song is almost entirely centered around the sound of the washboard, captured by a small clip-on microphone. The sound is then sent through a wah-wah and other effects pedals to create a fresher, more innovative and up-to-date sound for the washboard. Robin Rapuzzi is the washboard player for New Orleans old-time jazz band Tuba ...

  8. Neurologists reveal 15 subtle migraine symptoms — that aren't ...

    www.aol.com/news/neurologists-reveal-15-subtle...

    Sensitivity to light or sound. Difficulty reading or speaking. Hyperactivity. While some of these behaviors, particularly cravings, were once thought of exclusively as migraine triggers, "there's ...

  9. Muscle Loss In This Area Could Be a Key Indicator of ... - AOL

    www.aol.com/muscle-loss-area-could-key-130000809...

    Dementia is a devastating condition that impacts up to 10 percent of older adults. And while there's no cure, getting diagnosed early can help patients get on a treatment plan and families prepare ...