How do microphones work?
How do CDs work?
How do iPods and mp3 players work?
How do digital soundboards work?
What is electromagnetic induction?
Why do we need electromagnets?
Who was Thomas Edison? Was he really from New Jersey?
How does a microchip hold data?
How do music boxes work?
How does a VCR work?
What is a USB flash drive?
What is the relationship between amplitude and wave intensity?
How did Elvis Presley record his songs?
Here are some questions about this topic.
Click the question to read the answer!
Ask another question about this topic!
See a Full List of Topics
© 1999–2013 BrainPOP and related companies. All rights reserved.
BrainPOP is a registered trademark of FWD Media Inc. d/b/a BrainPOP.
For the full list of trademarks referenced on this page, please see
. Your use of the site indicates your agreement to
be bound by our