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 ...

A metal detectorist in England found what might be the biggest gold nugget ever found in ... with one metal detector maker, Minelab reporting in 2020 that it had sold 30% more than the previous ...

Bundle Includes: Minelab Equinox 900 Multi-Purpose Lightweight and Waterproof Metal Detector with Multi-IQ ... and no terrain is off-limits. Silver, gold, or jewelry. Park, field, or beach.

Like other metal detectors, this one uses two coils of wire with an oscillator circuit and some transistors. The unique part of this build, though, is how the detector alerts the user to a piece ...

A professional metal detector set was created. Metal detector accessories will meet all your needs. You will be able to find all metals even gold or silver. Waterproof metal detectors for adults ...

The AN/PSS-14 revolutionizes landmine detection by combining ground penetrating radar (GPR) and highly sensitive metal detector (MD) technology using advanced data fusion algorithms. This unique ...

And while there may be a bit of a learning curve to gold investing, the good news is that there are several ways to get started with the precious metal — and many are beginner-friendly.

Gold has for centuries been an attractive commodity. Not only is the precious metal viewed as a form of currency, but it's considered an attractive investment commodity as well. That's especially ...