Water, like metal, is conductive, which means dairy products can react differently in a food metal detector’s magnetic field. For example, a solid block of cheese behaves differently than grated, ...

The project is designed to develop a robotic vehicle that can sense metals ahead of it on its path similar to sensing land mines. The robot is controlled by a remote android application. The project ...

Scanning parks and beaches with one of these can be a unique and fascinating hobby.

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 ...

There's often history just beneath your feet, waiting to be discovered. A long-forgotten button, an antique coin, or even a remnant from one of the wars that shaped our country. Trying to unearth ...

Metal detecting is a fun pastime, even when all you can find is a little bit of peace and a whole lot of pop tabs. [Huygens Optics] has a VLF-based metal detector that offers much more feedback than ...