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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. 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 .

  4. Glass harmonica - Wikipedia

    en.wikipedia.org/wiki/Glass_harmonica

    A glass harp, an ancestor of the glass armonica, being played in Rome.The rims of wine glasses filled with water are rubbed by the player's fingers to create the notes.. The name "glass harmonica" (also "glass armonica", "glassharmonica"; harmonica de verre, harmonica de Franklin, armonica de verre, or just harmonica in French; Glasharmonika in German; harmonica in Dutch) refers today to any ...

  5. Jimmy Carter funeral service to be held at Washington ...

    www.aol.com/news/jimmy-carter-funeral-held...

    By Jonathan Allen and Brad Brooks (Reuters) -A state funeral for Jimmy Carter, the former U.S. president who died on Sunday at the age of 100, will be held at the Washington National Cathedral on ...

  6. 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 ...

  7. Worried about your drinking? Check out our Dry January advice

    www.aol.com/worried-drinking-check-dry-january...

    Taking a Dry January break from alcohol can reward you with more energy, better sleep and better overall health. Here’s expert advice on how to go dry successfully.

  8. Health insurance industry 'laying low' in aftermath of ... - AOL

    www.aol.com/finance/health-insurance-industry...

    Health insurance industry officials remain uncharacteristically reserved in the aftermath of the fatal shooting of UnitedHealthcare CEO Brian Thompson on Dec. 4.. A week after the attack, the ...

  9. Engineer's blue - Wikipedia

    en.wikipedia.org/wiki/Engineer's_blue

    Engineer's blue is prepared by mixing Prussian blue with a non-drying oily material (for example, grease).The coloured oil is rubbed onto a reference surface, and the workpiece is then rubbed against the coloured reference; the transfer (by contact) of the pigment indicates the position of high spots on the workpiece or conversely highlight low points. [1]