Learn how to make a homemade metal detector using batteries with step-by-step instructions, tips, and tricks to create a ...

Metal detecting has been a popular hobby for decades, and there are a lot of success stories associated with it. Amateur metal detectorists have discovered priceless ancient relics, valuable coins, ...

Smartphones are loaded with sensors and components that power the surface-level features you use every day. Some of them you might know about — like the ambient light sensor used to handle automatic ...

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 ...