Scanning parks and beaches with one of these can be a unique and fascinating hobby.

This application note discusses the advantages, techniques, limitations, and general recommendations of Metal Over Capacitive technology in sensors. The layout of this app note includes the general ...

PALM BEACH COUNTY, Fla. — Starting Monday, metal detectors will start screening thousands of students at four more Palm Beach County high schools, bringing the total number of schools with the ...

The new school year has brought an extra layer of security to four Palm Beach County high schools, as TSA-like metal detectors have now been placed outside the entrances of school grounds. With more ...

Placing metal detectors in schools and colleges has always been a controversial move. As with every security decision, administrators have a lot of things to take into account before making the ...

Facing pressure to act after a series of violent encounters in hospitals and increasing safety concerns from health-care workers, the Sask. Party government is launching an independent review of how ...

If you think of a metal detector, you’re probably thinking of a fairly simple device with a big coil and a piercing whine coming from a tinny speaker. [mircemk] has built a more modern adaptation.

A parent has started a petition to install metal detectors at Liverpool High School due to recent threats, which has gained ...

In quick review, an inductive sensor generates an electromagnetic wave at a specific tuned frequency. The tuned circuit inside the sensor has a high impedance at that frequency, creating a high ...