In a metal like copper, however, the outer electrons swim around freely and are shared by all the atoms. That’s why electricity can flow through a metal—if you apply an electric field, you get a flow ...

We spent weeks testing the best metal detectors on the market. Here are our top six picks. Purchasing one of the best metal ...

Engine oil is the unsung hero that is under your hood, silently performing its magic to make your car go. We tend to assume ...

Further evidence that artificial intelligence is not all that intelligent has been provided by an unfortunate incident in Baltimore, where, thanks to an AI-guided security system, local police nearly ...

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

QUINCY — Plans are underway for Quincy Public Schools to expand its use of a weapons detection system. Additional OPENGATE units, the same metal detectors already in use at the main entrance at Quincy ...

Tandon researchers found that semiconducting material may offer a safer and cheaper alternative to the toxic heavy-metal ...

After the exhaustion of the 2024 election, I didn’t expect to feel inspired again — until I heard Kamala Harris speak on her ...

Was the assassin who killed President James Garfield really unwell? Did Chester A. Arthur like drunk boxing? We fact-check ...

Automated video detection is giving K-12 schools a crucial advantage in responding to a wide range of threats. Darron Parker, ...