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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. Hand arm vibrations - Wikipedia

    en.wikipedia.org/wiki/Hand_arm_vibrations

    HAVS, also known as vibration white finger (VWF) or dead finger, [1] is a secondary form of Raynaud's syndrome, an industrial injury triggered by continuous use of vibrating hand-held machinery. Use of the term vibration white finger has generally been superseded in professional usage by broader concept of HAVS, although it is still used by the ...

  4. Hand percussion - Wikipedia

    en.wikipedia.org/wiki/Hand_percussion

    Hand percussion is a percussion instrument that is held in the hand. [1] They can be made from wood, metal or plastic, bottles stops and are usually shaken, scraped, or tapped with fingers or a stick.

  5. List of gestures - Wikipedia

    en.wikipedia.org/wiki/List_of_gestures

    Cossogam involves putting the fingers to the right or left of the shinbone for the first or second aicmi, and across it diagonally or straight for the third or fourth aicmi. One finger is used for the first letter, two for the second, and so on. Sronogam involves the same procedure with the ridge of the nose. Placing the finger straight across ...

  6. Why do we have right-on-red, and is it time to get rid of it?

    www.aol.com/1970s-oil-crisis-created-turn...

    Right-on-red spread across the country in the 1970s in response to the Arab oil embargo against the United States and oil rationing. States introduced it as a gas-savings measure: The theory was ...

  7. Mortgage and refinance rates for Dec. 18, 2024: Average ... - AOL

    www.aol.com/finance/mortgage-and-refinance-rates...

    Average mortgage rates edge higher for 30-year and 15-year terms as of Wednesday, December 18, 2024, as the Federal Reserve is set to conclude its final policy session of the year.

  8. Cymatics - Wikipedia

    en.wikipedia.org/wiki/Cymatics

    One such painting is 511.95 Hz of wine, a large-scale mural based on the pattern created when tracing a finger around the rim of a nearly-empty wine glass. [ 19 ] In 2020 an official medal was issued by the Royal Dutch Mint to mark the 65th anniversary of the Eurovision Song Contest hosted by the city of Rotterdam .

  9. 6 Christmas Dinner Foods You Should Never Feed Your Cat ... - AOL

    www.aol.com/6-christmas-dinner-foods-never...

    Since onions destroy red blood cells in cats, they can lead to severe anemia and the pet's total collapse. Don't: Any Side Dish With Onions, Raisins, or Avocado.