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  2. Parasitic oscillation - Wikipedia

    en.wikipedia.org/wiki/Parasitic_oscillation

    Parasitic oscillation is an undesirable electronic oscillation (cyclic variation in output voltage or current) in an electronic or digital device. It is often caused by feedback in an amplifying device. The problem occurs notably in RF, [1] audio, and other electronic amplifiers [2] as well as in digital signal processing. [3]

  3. If a tree falls in a forest and no one is around to hear it ...

    en.wikipedia.org/wiki/If_a_tree_falls_in_a_forest...

    The tree will make a sound, even if nobody heard it, simply because it could have been heard. The answer to this question depends on the definition of sound. We can define sound as our perception of air vibrations. Therefore, sound does not exist if we do not hear it. When a tree falls, the motion disturbs the air and sends off air waves.

  4. Hearing the shape of a drum - Wikipedia

    en.wikipedia.org/wiki/Hearing_the_shape_of_a_drum

    To hear the shape of a drum is to infer information about the shape of the drumhead from the sound it makes, i.e., from the list of overtones, via the use of mathematical theory. "Can One Hear the Shape of a Drum?" is the title of a 1966 article by Mark Kac in the American Mathematical Monthly which made the question famous, though this ...

  5. Auditory processing disorder - Wikipedia

    en.wikipedia.org/wiki/Auditory_processing_disorder

    Auditory processing disorder ( APD ), rarely known as King-Kopetzky syndrome or auditory disability with normal hearing ( ADN ), is a neurodevelopmental disorder affecting the way the brain processes sounds. [2] Individuals with APD usually have normal structure and function of the ear, but cannot process the information they hear in the same ...

  6. 15 unique pairs of wireless earbuds on sale for up to 73% off

    www.aol.com/15-unique-pairs-wireless-earbuds...

    Apple’s AirPods Pro and Powerbeats Pro earbuds check most of the boxes we care about when it comes to wireless listening — quality sound, sleek design, and decent battery life. The one they ...

  7. Ray J - Wikipedia

    en.wikipedia.org/wiki/Ray_J

    Sanctuary. Atlantic. Elektra. EastWest. Musical artist. Website. rayj .com. William Ray Norwood Jr. (born January 17, 1981), [1] known professionally as Ray J, is an American R&B singer, songwriter, television personality, and actor. Born in McComb, Mississippi, and raised in Carson, California, he is the younger brother of singer and actress ...

  8. Fix problems sending AOL Mail - AOL Help

    help.aol.com/articles/aol-mail-troubleshooting

    If your Mail settings don't have Rich Text or HTML enabled, you could have problems with viewing images in forwarded emails. These settings can be enabled from the Mail Settings page. Send image as an attachment: If you've sent an image in an email, but your recipient didn't receive it there may have been a problem with the way the file was sent.

  9. Hannah Waddingham Keeps a ‘Little List’ of People ... - AOL

    www.aol.com/entertainment/hannah-waddingham...

    Waddingham has no problem standing up for herself these days. In April, she scolded a photographer who told her to “show leg” as she posed outside the Olivier Awards in London. “Oh my god ...