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  2. Chalkboard scraping - Wikipedia

    en.wikipedia.org/wiki/Chalkboard_scraping

    Chalkboard scraping. 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 ...

  3. Sign in to AOL Desktop Gold and manage your usernames

    help.aol.com/articles/aol-desktop-signing-on

    1. Launch AOL Desktop Gold. 2. On the sign on screen, click the small arrow pointing down. 3. Click Add Username. 4. Type in another username and click Continue.Enter your password in the window that appears.

  4. Blackboard Jungle - Wikipedia

    en.wikipedia.org/wiki/Blackboard_Jungle

    Blackboard Jungle is a 1955 American social drama film about an English teacher in an interracial inner-city school, based on the 1954 novel The Blackboard Jungle by Evan Hunter and adapted for the screen and directed by Richard Brooks. It is remembered for its innovative use of rock and roll in its soundtrack, for casting grown adults as high ...

  5. Blackboard - Wikipedia

    en.wikipedia.org/wiki/Blackboard

    Uses. Reusable writing surface on which text or drawings are made. 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 Blackboards were originally made of smooth, thin sheets of black or dark grey slate stone.

  6. Fix problems signing in to AOL Mail - AOL Help

    help.aol.com/articles/fix-problems-signing-in-to...

    Fix problems signing in to AOL Mail. While most sign in problems can stem from password issues, you might also get blank or missing screens, or various errors when trying to sign in. No matter the problem you're experiencing, the following troubleshooting steps should help you get back in your AOL Mail quickly.

  7. Blackboard (design pattern) - Wikipedia

    en.wikipedia.org/wiki/Blackboard_(design_pattern)

    Blackboard (design pattern) In software engineering, the blackboard pattern is a behavioral design pattern [1] that provides a computational framework for the design and implementation of systems that integrate large and diverse specialized modules, and implement complex, non-deterministic control strategies. [2] [1]

  8. This symptom, without a stuffy nose, is a common early warning sign of COVID-19. It may go away within 30 days. But in some cases, it can last 60 days or more.

  9. Blackboard Wars - Wikipedia

    en.wikipedia.org/wiki/Blackboard_Wars

    Network. Oprah Winfrey Network. Release. February 16. ( 2013-02-16) –. March 23, 2013. ( 2013-03-23) Blackboard Wars is an American reality documentary television series on the Oprah Winfrey Network that premiered on February 16, 2013, at 9/8c.