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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. Pointing stick - Wikipedia

    en.wikipedia.org/wiki/Pointing_stick

    Size: 8 x 8 mm. Out of patent IBM ThinkPad caps (left-to-right): Soft Dome, Soft Rim, Classic Dome, Eraser Head (discontinued) A pointing stick (or trackpoint , also referred to generically as a nub or nipple ) is a small analog stick used as a pointing device typically mounted centrally in a computer keyboard .

  4. ThinkLight - Wikipedia

    en.wikipedia.org/wiki/ThinkLight

    ThinkLight was a keyboard light present on many older ThinkPad families of notebook computers. The series was originally designed by IBM , and then developed and produced by Lenovo since 2005. The ThinkLight has been replaced by a backlight keyboard on later generations of ThinkPads, and Lenovo has discontinued the ThinkLight in 2013.

  5. Holograms, Robots, and the Coolest Tech We Saw at CES 2025

    www.aol.com/holograms-robots-coolest-tech-saw...

    A Blinged-Out Mechanical Keyboard I already think Keychron makes really solid keyboards (the Lemokey sub-brand in particular), but at the brand’s CES booth it was showing off a bunch of amazing ...

  6. Continuum Fingerboard - Wikipedia

    en.wikipedia.org/wiki/Continuum_Fingerboard

    The Continuum Fingerboard or Haken Continuum is a music performance controller and synthesizer developed by Lippold Haken, a professor of Electrical and Computer Engineering at the University of Illinois, and sold by Haken Audio, located in Champaign, Illinois.

  7. Joint cracking - Wikipedia

    en.wikipedia.org/wiki/Joint_cracking

    Cracking finger joints makes a distinct cracking or popping sound. Joint cracking is the manipulation of joints to produce a sound and related "popping" sensation. It is sometimes performed by physical therapists , chiropractors , and osteopaths [ 1 ] pursuing a variety of outcomes.

  8. Kindergartener injured in Northern California school shooting ...

    www.aol.com/kindergartener-injured-northern...

    Six-year-old Roman Mendez (left) and 5-year-old Elias Wolford (right) were wounded during a shooting at the Feather River School of Seventh-Day Adventists in Butte County on Wednesday, Dec. 4.

  9. Hertz is asking some renters if they want to buy their cars ...

    www.aol.com/news/hertz-asking-renters-want-buy...

    Hertz is asking some people renting Teslas and other EVs if they want to buy their vehicles. The rental company said last year that it would sell 30,000 EVs amid a slowdown in demand.