Product testers Annamarie Higley and Sydney Manning led the charge and set out to see what the Nokta metal detector was really capable of. They began by assembling the unit, a process they described ...
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.
Armed with metal detectors, curious explorers are finding historical objects every day. For example, Bob Podhrasky, COO, senior vice president, and director of engineering at metal detector ...
ZKAccess, a leading provider of biometric, RFID and access control solutions, brings to market several metal detector offerings that provide added layers of security to aid in public safety ...
From hobbyist gear to advanced scanners, the science behind detection depth is complex. Explore the variables that govern just how deep detectors can search.
Minelab officially unveiled the new VANQUISH 60 Series on 11 September 2025 at a press event held at the remarkable National ...
A surgeon at an Israeli hospital is using a simple metal detector purchased from AliExpress to locate shrapnel in war casualties. Since the war broke out on October 7, thousands of people have been ...
The original application of the circuit in Figure 1 was to locate coins, but it applies wherever you need to locate metal objects. The circuit uses a beat-frequency technique: Whenever a metal object ...
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 ...