What do metal detectors pick up?

Answer 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 »

Top Q&A For: What do metal detectors pick up

What type of metals do metal detectors detect?

Since all metals can conduct electricity and create electromagnetic fields, any metal can be detected by a metal detector. The sophistication and sensitivity of a metal detector determines what me... Read More »

What percentage of schools have metal detectors?

The U.S. Department of Education Institute of Education Sciences reports only 2 percent of public schools use daily metal detector checks or other security procedure. According to the National Scho... Read More »

What percent of schools have metal detectors?

Metal detectors were first found in schools in 1991 after a student was stabbed by another student in the cafeteria, according to The Washington Post. At that point, metal detectors were installed ... Read More »

Who is the inventor of metal detectors?

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 »