Craft a Metal Detector in 6 Easy Steps

Given the price of metal detectors these days, I was suprised to see how easy it is to make your own. And you don’t even need a smartphone for it – you only need some old stuff lying around, like a calculator, a transistor radio and an empty CD case (if you haven’t cleared out the clutter yet).

via Popular Mechanics

LEAVE A REPLY

Please enter your comment!
Please enter your name here