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 ...

Treasure hunting is not unlike finding a stud in your walls. Rather than a stud finder, you just need a metal detector. Whereas finding treasure once meant locating an “X” on an ancient map, today’s ...

Netflix’s Death by Lightning reveals how Alexander Graham Bell built a device that could have saved President Garfield—until ...