MP3: What causes that howling sound in PA systems?

10.06.2013

To download What causes that howling sound in PA systems? mp3 for free: Right Click -> Save Link As.../Save Target As...


What causes that howling sound in PA systems? MP3

A public address system's speakers emit strange noises, or feedback, when sound gets re-amplified. Get a detailed explanation of how feedback occurs in this podcast from HowStuffWorks.com. Source: howstuffworks.com

More songs from howstuffworks.com

  • Drifting and Car Control

    Drifting and Car Control MP3

    A drifting car literally slides around turns, moving from one to the next as the wheels continue spinning. This dangerous maneuver requires the right car, swift reflexes and steely nerves. Learn more about drifting in this podcast from HowStuffWorks.com.

    21.07.2009

    Play

    howstuffworks.com radio podcast howstuffworks.com

    21.07.2009

  • How Tulip Mania Worked

    How Tulip Mania Worked MP3

    A funny thing happened to the Dutch during the 17th century: They went nuts for tulips, paying exorbitant amounts for a single bulb. But what exactly triggered this commodity bubble? And what do revisionist historians have to say? Tune in and find out.

    07.02.2011

    Play

    howstuffworks.com radio podcast howstuffworks.com

    07.02.2011

  • How does your stomach keep from digesting itself?

    How does your stomach keep from digesting itself? MP3

    The stomach is a hollow, many-layered organ that produces powerful acids to break down food -- and another substance to protect the stomach from being digested. Find out what this substance is, and learn more about the stomach, in this episode.

    23.07.2012

    Play

    howstuffworks.com radio podcast howstuffworks.com

    23.07.2012

  • How the Stonewall Riots Worked

    How the Stonewall Riots Worked MP3

    On June 28, 1969, police raided the Stonewall Inn, one of the few bars that welcomed gay patrons. Learn how this raid triggered the first major gay rights protest in U.S. history in this podcast from HowStuffWorks.com.

    08.07.2009

    Play

    howstuffworks.com radio podcast howstuffworks.com

    08.07.2009

  • Who was the infant ruler of Russia?

    Who was the infant ruler of Russia? MP3

    Ivan IV was still an infant when he was proclaimed the Emperor of Russia. In this episode, Katie and Sarah explain how this strange ascension occurred -- and how Anna Leopoldovna became the power behind the throne.

    26.07.2010

    Play

    howstuffworks.com radio podcast howstuffworks.com

    26.07.2010

For a better experience please download Adobe Flash Player from http://get.adobe.com/flashplayer

Close

You can skip this ad in 6 seconds