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.

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 ...

Don't go out wandering aimlessly looking for treasure. A little research can make your metal detecting hobby much more rewarding. By Eric Alt Published Apr 11, 2026 1:28 PM EDT Add Popular Science ...

Fantastic multi-frequency performance for an affordable price. It has four search modes and works better in wet conditions than cheaper alternatives. The main drawback is that the headphones are ...

Raspberry Pi enthusiasts looking for a more unique project to keep them busy this weekend may be interested in the Raspberry Pi cosmic ray detector project published on YouTube by Marco Reps. Check ...

For most of us, the fantasy of finding buried treasure faded away along with other childhood passions, like my youthful ambition to set a Guinness World Record for building the world’s largest pillow ...