Science & Medicine,
Society & Culture,
You'll need to sign in to follow to this podcast.
New to Podcast Chart? Sign up.
Whether the topic is popcorn or particle physics, you can count on BrainStuff to explore -- and explain -- the everyday science in the world around us.
May 15th, 2009
Episode 265 of 1067 episodes
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.
You'll need to sign in to write a comment.
Welcome to the daily audio workout for your head.
You'll need to sign in to add this to your collection.
Podcast Chart © 2016 Project Fantastic Ltd