Question

 Who is the inventor of metal detectors?

Answer Alexander Graham Bell invented the first metal detector in 1881. The device was invented with the hope that it might be able to assist doctors in finding a bullet lodged in President James Garfield... Read More »
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Top Q&A For: Who is the inventor of metal detectors

How harmful are metal detectors?

Almost no studies exist on the effects of mid-range electromagnetic frequencies used by metal detectors, but it seems unlikely they could cause any damage, according to Christopher J. Portier of th... Read More »
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Metal Detectors in Colleges?

Since the 2007 Virginia Tech shootings, there has been considerable debate over the necessity and appropriateness of metal detectors in colleges. On the one hand, the advantage of having metal dete... Read More »
http://www.ehow.com/info_8168667_metal-detectors-colleges.html

Schools With Metal Detectors?

Metal detectors are not considered a panacea to thwart weapons-related violence in schools. Nevertheless, school officials across the United States often respond to upticks in violent incidents by ... Read More »
http://www.ehow.com/info_8167033_schools-metal-detectors.html

What do metal detectors pick up?

Metal detectors work by sensing or picking up metallic objects that are buried in the ground. Beaches, backyards, and parks make for prime treasure-hunting grounds.CoinsWhether it is a quarter or a... Read More »
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