What the beep?
Go Deeper.
Create an account or log in to save stories.
Like this?
Thanks for liking this story! We have added it to a list of your favorite stories.

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.
Turn Up Your Support
MPR News helps you turn down the noise and build shared understanding. Turn up your support for this public resource and keep trusted journalism accessible to all.