Play Live Radio
Next Up:
0:00
0:00
0:00 0:00
Available On Air Stations
Make a sustaining gift today to support local journalism!

The Internet Is Public Information: Using Wi-Fi As Radar

kristinmarshall via Flickr Creative Commons

At any given moment invisible information is traveling all around you. There are two obvious examples: radio waves…or if you’re listening online, the wireless signal emitted by your router. Researchers at MIT have been experimenting with these signals and they’ve developed a type of radar that uses Wi-Fi signal that can be seen – and used to detect movement and even see through walls. Dina Katabi, is a professor of electrical engineering and computer science at MIT, and she spoke with us about her new project, what she’s calling “Wi-Vi.”

Related Content

You make NHPR possible.

NHPR is nonprofit and independent. We rely on readers like you to support the local, national, and international coverage on this website. Your support makes this news available to everyone.

Give today. A monthly donation of $5 makes a real difference.