What the beep?

Sound and fury?
The electronic beep has been compared to the little boy who cried wolf. It's so prevalent in society that most people simply ignore it.
Copyright Audio-Mastering.org

Americans are bombarded by electronic beeps. Microwaves emit them. So do ATMs and elevators, grocery store scanners and waffle makers.

Are all these high-pitched tones really necessary?

Reporter Nikki Tundel tries to makes sense of the electronic beep.

Create a More Connected Minnesota

MPR News is your trusted resource for the news you need. With your support, MPR News brings accessible, courageous journalism and authentic conversation to everyone - free of paywalls and barriers. Your gift makes a difference.