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

Every day, millions of people pass through walk-through metal detectors at airports, schools, concert venues, courthouses, ...

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 ...

An Austrian retiree's discovery of a B-17 leads to a surprising, heart-warming journey. Georg is an Austrian retiree whose mother witnessed the crash of an Allied B-17 near their home during World War ...