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.
Credit: Joshua Scott
Product: Pocket Radar
Availability: Spring 2010
Company: Pocket Radar
Subscribe to Continue Reading
Uh oh–you've read all five of your free articles for this month.
Insider Online Only
$19.95/yr US PRICE
This Calorie-Counting App Thought My Pasta Was Granola
Lose It says its app can now recognize many foods from a photo but it sure couldn’t guess mine.
Most of India Still Isn’t Online—Here’s Google’s Plan to Fix That
Google is testing new initiatives to boost Internet access in India that could prove useful everywhere.
The Best of the Physics arXiv (week ending September 24, 2016)
This week’s most thought-provoking papers from the Physics arXiv.