Skip to Content

Speed Sensor

February 23, 2010

The bulky horn antenna of a traditional radar gun has been compressed down to a square panel about 40 millimeters on a side. Intended for athletes and coaches looking to improve performance, the Pocket Radar uses Doppler radar to measure the speed of an object to within 1.6 kilometers per hour.

Product: Pocket Radar
Cost: $250
Availability: Spring 2010
Source: pocketradar.com
Companies: Pocket Radar

Keep Reading

Most Popular

Geoffrey Hinton tells us why he’s now scared of the tech he helped build

“I have suddenly switched my views on whether these things are going to be more intelligent than us.”

Deep learning pioneer Geoffrey Hinton has quit Google

Hinton will be speaking at EmTech Digital on Wednesday.

Video: Geoffrey Hinton talks about the “existential threat” of AI

Watch Hinton speak with Will Douglas Heaven, MIT Technology Review’s senior editor for AI, at EmTech Digital.

Doctors have performed brain surgery on a fetus in one of the first operations of its kind

A baby girl who developed a life-threatening brain condition was successfully treated before she was born—and is now a healthy seven-week-old.

Stay connected

Illustration by Rose Wong

Get the latest updates from
MIT Technology Review

Discover special offers, top stories, upcoming events, and more.

Thank you for submitting your email!

Explore more newsletters

It looks like something went wrong.

We’re having trouble saving your preferences. Try refreshing this page and updating them one more time. If you continue to get this message, reach out to us at customer-service@technologyreview.com with a list of newsletters you’d like to receive.