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, ...

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

Between 100 and 150 pieces of Shaler’s coal mining history will displayed in November at the Shaler North Hills Library. Members of the North Pittsburgh Past Finders metal detecting club have found ...

Two mathematicians have proved that a straightforward question—how hard is it to untie a knot?—has a complicated answer.

School districts in the DMV and nationwide are increasingly taking steps to keep students safe and the school security ...

Discovering little bits of history that have been left behind is what keeps Brandon Sutton swinging his metal detector ...

Winter brings cozy nights, hot cocoa, and the beauty of a snow-covered landscape. But it can also bring power outages, icy ...

Researchers have developed an experimental method for determining whether the functions performed by a quantum computer are the result of quantum mechanics — or just a clever twist on classical ...

Travelling in China is a fascinating experience precisely because of its contrasts. It’s a country where culture shock is inevitable but often enlightening. For many tourists, what begins as surprise ...

Queensland father Brett Beasley is confident the UK will copy Australia and introduce Jack’s Law to help tackle soaring knife ...

A ‘selfie’ taken during Webb’s testing on Earth. Ball Aerospace After Christmas dinner in 2021, our family was glued to the ...