In a metal like copper, however, the outer electrons swim around freely and are shared by all the atoms. That’s why ...

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 ...

Consumer-grade metal detectors can help you discover everything from buried treasure to loose change or hidden wiring. Many people enjoy spending hours sweeping over beaches or abandoned property in ...

What To Consider in a Metal Detector Before we talk about how to pick a metal detector, we should quickly explain how they work. Consumer metal detectors have a round head known as the "search coil," ...

Metal detectors can be a great source of fun, and occasionally even found wealth. They allow the detection of metal objects at a distance, enabling hidden treasures to be discovered. They’re also ...

So, you've binged a few treasure-hunting shows and now you're wondering if your own old detector in the garage can find you a pirate chest. One of the first questions that may pop up in your head ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Whether stashed by Captain Kidd or as a plot point in The Goonies, buried treasure has a certain allure ...

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 ...

Although smartphones can perform many tasks on their own, they're also able to make devices such as drones, robots and cameras cheaper and/or more capable by acting as their "brains." One of the ...

Editor's Note: October 8th, 2025: We've checked to make sure that our recommendations are still available and competitively priced. A new round of metal detector testing is currently under way, so you ...

93.9926% OFF$69.99 at Amazon Pros: Cons: The Bounty Hunter metal detector earned the top spot on our list for its intuitiveness, lightweight design and its ability to detect all of our test items. Our ...