How deep can a metal detector go?. The maximum depth allowed by metal detectors depends on both exogenous factors (type of soil, humidity, size of objects to be detected, type of metal) and internal ...

We asked visual search scientists, a metal-detecting enthusiast and a detective to share the most effective strategies to find missing objects.

Purchasing one of the best metal detectors is the first step to kicking off your exciting new hobby. These gadgets, which detect the presence of metallic objects including gold, copper and ...

Tiny deviations: the new metal detector looks for minute disturbances in Earth’s magnetic field. (Courtesy: iStock/muffinmaker) A compact, low-cost and low-power metal detector that can identify the ...

You could make a bit of extra cash with a metal detector, but don’t expect to make a living off of it— maybe just $20 a week.