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Scraping a chalkboard (also known as a blackboard) with one's fingernails produces a sound and feeling which most people find extremely irritating. The basis of the innate reaction to the sound has been studied in the field of psychoacoustics (the branch of psychology concerned with the perception of sound and its physiological effects).
Upsweep is an unidentified sound detected on the American NOAA's equatorial autonomous hydrophone arrays. This sound was present when the Pacific Marine Environmental Laboratory began recording its sound surveillance system, SOSUS, in August 1991. It consists of a long train of narrow-band upsweeping sounds of several seconds in duration each.
A blackboard or a chalkboard is a reusable writing surface on which text or drawings are made with sticks of calcium sulphate or calcium carbonate, known, when used for this purpose, as chalk. Blackboards were originally made of smooth, thin sheets of black or dark grey slate stone.
In European Spanish, the rest of the family characters are played by Margarita de Francia (Marge), Isacha Mengíbar (Lisa) and Sara Vivas (Bart). The Spanish version of The Simpsons also distinguishes itself by using more literal translations of what the characters are saying. Jokes and pop cultural references from the original English version ...
Certain sounds, such as fingernails drawn down a blackboard, cause strong feelings of aversion or even fear in most humans. A 2004 study claimed that the blackboard sound was very similar to the warning cry of Siamang gibbons and hypothesized that a vestigial reflex is what causes the fight or flight reaction in humans. [ 3 ]
Your nails will look like they're saying, "Hooray!" Get the tutorial at Chalkboard Nails. Chalkboard Nails. ... Get the tutorial at Chalkboard Nails. Chalkboard Nails. You Might Also Like.
Considering the film to be a "weird, twisted, sarcastic thing," Elfman decided to make a guitar-based soundtrack, with the "nastiest sounds" and a "heavy metal approach." [ 1 ] The main song that features throughout the film and as the credits roll is a rock song written and performed by Elfman called "The Little Things".
By JOHN DORN Carli Lloyd's three-goal explosion in the first half of the Women's World Cup Final on Sunday was one of the greatest sports accomplishments we've seen in recent history.