Screening for security: millimeter-wave scanner identifies non-metallic weapons

Aug 30, 2005

If you're looking for concealed weapons these days, you need more than x-ray machines and metal detectors. You want something that also will identify non-metallic weapons, or any other threatening object that may be concealed under clothing.

Researchers at Pacific Northwest National Laboratory have developed an innovative screening technology that uses harmless, ultrahigh-frequency radio waves to penetrate clothing and can quickly identify plastic explosives and other types of weapons.

The active millimeter-wave technology rapidly scans people and sends reflected signals into a high-speed image processing computer which produces a high-resolution 3-D image.

The scanning technology is rapid, produce an image in less than three seconds. It can be used in a variety of public areas, such as airports, court houses, federal buildings, prisons, embassies, schools, sporting events, mass transit systems and nuclear sites to minimize delays and the indignity of physical searches that are often necessary to resolve ambiguous alarms.

Explore further: Standalone wireless info display device an easy fit

add to favorites email to friend print save as pdf

Related Stories

The year ahead in science

Jan 05, 2015

Some serious groundwork has been laid. Some amazing instruments are turning on. Some incredible destinations are in sight. If you ask us, 2015 is going to be an awesome year in science.

Experts see Korean parallels in Sony hack

Dec 04, 2014

Some cybersecurity experts say they've found striking similarities between the code used in the hack of Sony Pictures Entertainment and attacks blamed on North Korea which targeted South Korean companies ...

Recommended for you

Standalone wireless info display device an easy fit

5 hours ago

A Latvian team has come up with a good-looking WiFi display device, connecting to the Internet using WiFi, which runs on a high-capacity built-in battery and tracks what's important to you. This is a standalone ...

Technology improves avalanche gear for backcountry skiers

7 hours ago

As outdoor recreation companies increasingly cater to skiers and snowboarders who like to venture beyond the groomed slopes at ski resorts and tackle backcountry terrain, they've put a special emphasis on gear and equipment ...

User comments : 0

Please sign in to add a comment. Registration is free, and takes less than a minute. Read more

Click here to reset your password.
Sign in to get notified via email when new comments are made.