Click to view We’ll admit it: we’ll lack the ambition to perform most of the hacks you read about on Giz. But taping a calculator to an AM radio to make a metal detector? That’s right up our alley.

There have been plenty of eye-popping news stories about people using metal detectors to uncover precious artifacts—ancient coins, precious jewelry, gold nuggets, maybe even a piece of Charles I’s ...

This homemade metal detector circuit will help you find objects composed of materials with relatively high magnetic permeability. It is not suitable for buried coins discovery that is not sensitive ...

Which underwater metal detector is best? Whether you dream of finding lost treasure or are simply looking for a fun new hobby, metal detecting may be the answer. Not only can it be profitable, but ...

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 ...