When you picture a metal detector, you probably imagine a device that has a long shaft with something that looks like a small steering wheel attached to the bottom end. The user walks along the beach, ...
On April 1, amateur metal detectorists Katarzyna Herdzik and Jacek Ukowski made a stunning discovery on a Polish beach. Their scanners led them to an ornate 24cm dagger covered in stars and crescent ...
Modern smartphones are packed with a wide range of sensors, and their magnetometer can successfully identify certain kinds of ...
North Carolina school systems are exploring metal detectors and new-fangled weapons detection systems to keep guns out of schools. But several experts caution those systems may not be worth the ...
Walk-through metal detectors are common security tools. They use low-frequency electromagnetic fields. These fields interact briefly with metal objects. Health agencies confirm these detectors use non ...