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.

A traditional early project for someone discovering a love for electronics has been for many years a metal detector. This would mean a few transistors back in the day, but today it’s more likely to ...

It’s very simple to implement a valid metal detector with good performances. Very often people lose their metal objects at the beach or in the countryside. Coins, rings and necklaces disappear when ...

School leaders say the next schools on the list to get metal detectors are Glenn Hills, Westside, and Hephzibah. They are on target to get metal detectors installed at each high school in the county ...

If metal detectors are required at courthouses, isn’t it that much more important to have them at all schools? We owe our children a duty to protect them, even the demented ones before they inflict ...

The new school year has brought an extra layer of security to four Palm Beach County high schools, as TSA-like metal detectors have now been placed outside the entrances of school grounds. With more ...

For more stubborn rust or scale, mechanical methods may be necessary. Brass wire brushes, scrapers, or even rotary tools with ...