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How Metal Detectors Work
How Metal Detectors Work
Mention the words metal detector and you'll get completely different reactions from different people. For instance, some people think of combing a beach in search... More »
Source: www.howstuffworks.com

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 ...

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.foxnews.com/tech/2009/12/29/magnetometers-x-rays-airport-security-technology.html

Dec 29, 2009 ... High-tech security scanners that might have prevented a would-be Christmas ... A magnetometer uses an electromagnetic field to detect metal ...

www.explainthatstuff.com/metaldetectors.html

Jul 15, 2016 ... Knowing that, we can understand exactly how metal detectors work. ... powers a metal detector. Walk-through airport metal detector. Photo: This ...

gadling.com/2010/01/28/airport-security-what-works-and-what-does-not

Jan 28, 2010 ... The airport metal detector is a piece of equipment that works absolutely perfectly – for ... Why they don't always work: Can only detect metal.

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.ask.com/youtube?q=How+Do+Airport+Metal+Detectors+Function&v=8dLI_Pqbn4s
Mar 26, 2013 ... This is a video demo about the Guardspirit walk through metal detector.Wecome to visit ... How do Airport Bomb Detectors work? - Duration: ...