Web Results

en.wikipedia.org/wiki/Metal_detector

A metal detector is an electronic instrument which detects the presence of metal nearby. Metal detectors are useful for finding metal inclusions hidden within objects, or metal objects buried underground. They often consist of a handheld unit with a sensor probe which can be ... Uses include detecting land mines, the detection of weapons such as knives ...

en.wikipedia.org/wiki/Full_body_scanner

A full-body scanner is a device that detects objects on a person's body for security screening ... Unlike metal detectors, full-body scanners can detect non- metal objects, .... list of airports with full-body scanners can be found on bigbrotherwatch.org.uk. ... In the U.S., TSA currently uses Millimeter Wave AIT scanners exclusively, ...

science.howstuffworks.com/transport/flight/modern/airport-security3.htm

Step Through, Please: Metal Detector - Airport security is one of the biggest ... metal detector sends about 100 pulses per second, but the number can vary greatly ... where it is changed into a tone that the metal detector uses to indicate that a ...

blogs.brown.edu/csci-1951e-s01/2015/02/03/security-of-airports-full-body-scanners-and-walk-through-metal-detectors

Feb 3, 2015 ... This security review will cover the full-body scanners and metal ... the Transportation Security Administration (TSA), “uses millimeter wave AIT to ...

creativitytoday.wordpress.com/2013/06/03/the-physics-of-airport-metal-detectors

Jun 3, 2013 ... You do so, and as you walk through, you are relieved that the metal detector is ... The airport metal detectors themselves are able to provide this security ... The machines work by bouncing electromagnetic waves off a person's ...

www.explainthatstuff.com/metaldetectors.html

Jul 31, 2017 ... ... electromagnetism. Knowing that, we can understand exactly how metal detectors work. ... Walk-through airport metal detector. Photo: This ...

forums.digitalspy.com/discussion/1484541/airport-metal-detectors-what-do-they-detect

A very quick web search will find plenty of articles about how airport metal detectors work. From one such article, it turn out that they send a ...

www.sciencefocus.com/qa/how-does-airport-scanner-work

Jul 28, 2015 ... While you're stepping through an airport metal detector in your socks, your hand luggage is going on a different trip: into an X-ray scanner.

www.eastimagesecurity.com/IndustryNews/Work-Principle-and-Main-Application-of-Walkthrough-Metal-Detectors.shtml

May 30, 2014 ... When you enter the airport before your fights take-off from its terminal, you should pass through a walkthrough metal detector and all the items ...