Modern smartphones are packed with a wide range of sensors, and their magnetometer can successfully identify certain kinds of ...

This article was updated and checked for accuracy in April 2024. It was originally published in 2021. Believe it or not, metal detection is actually possible on Android phones. In fact, the first ...

Editor's Note: December 12, 2025: We've checked to make sure that our recommendations are still available and competitively priced. We’re preparing for a new round of metal detector testing, which ...

Packed with simultaneous multi-frequency tech, the Vanquish 440 handles mineralized soil and shallow water without constant ...

There's often history just beneath your feet, waiting to be discovered. A long-forgotten button, an antique coin, or even a remnant from one of the wars that shaped our country. Trying to unearth ...

ZDNET experts put every product through rigorous testing and research to curate the best options for you. If you buy through our links, we may earn a commission. Learn Our Process 'ZDNET Recommends': ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Tim Heffernan Tim Heffernan is a writer who covers air and water quality and ...

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.