[mircemk] is quite a wizard when it comes to using coils of wires in projects, especially when their application is within easy-to-build metal detectors. There are all kinds of ways to send signals ...

AMHERST, Va. (WFXR) – After implementation in Nov. 2025, Amherst County High School (ACHS) has made metal detectors a usual part of their morning routine. Staff, students and administrators attest ...

Metal detecting has been a popular hobby for decades, and there are a lot of success stories associated with it. Amateur metal detectorists have discovered priceless ancient relics, valuable coins, ...

Food processing facilities extensively make use of metal detectors. These detectors are generally used toward the end of the line. It is the last opportunity to ensure the quality and safety of foods ...

Duval County Public Schools is in the process of installing metal detectors at Springfield, Mandarin, Oceanway and Ribault ...

The Kenosha Unified School District's proposed new safety policy is getting attention after two students were arrested for bringing guns to school.

Note: The views expressed by guest bloggers and contributors are those of the authors and do not necessarily represent the views of, and should not be attributed to, Campus Safety. In the United ...

What began as a new security measure has quickly become just another part of the morning routine at Amherst County High School.

A metal detector used to be an entirely analogue instrument, an oscillator whose frequency changed with the inductance of its sense coil when a piece of metal approached. [Łukasz Podkalicki] shows us ...