In a metal like copper, however, the outer electrons swim around freely and are shared by all the atoms. That’s why ...

So, you've binged a few treasure-hunting shows and now you're wondering if your own old detector in the garage can find you a pirate chest. One of the first questions that may pop up in your head ...

With news headlines (and YouTube videos) that give juicy details on hoards of treasure and rare artifacts found by metal detectorists -- aka those with a metal detector -- investing in your own ...