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

The Arduino brand will remain for future products as it becomes part of the Qualcomm business. Plus, there's a brand-new Arduino Uno Q single-board computer. Don't miss out on our latest stories. Add ...

"This is the moment where the metal detector has gone off and you've dug up something shiny. You still need to find out exactly what you've got — but you've got something to work with." Mars hasn't ...

An area school district will start using a metal detector system. In a letter to parents, the Pine-Richland School District said that it’s implementing the portable OpenGate metal detector system to ...

DAYTONA BEACH, Fla. – Four Volusia County high schools now have metal detectors in place as part of their security protocol, according to an update from the school district Tuesday. The district still ...

Metal detectors were installed Friday at Benjamin N. Cardozo High School — the day after a 16-year-old student was busted for allegedly threatening on social media to shoot up the Queens school. A ...

A mysterious piece of woodworking with metal inlay raises questions about both its purpose and its origin. This unusual combination of materials and techniques highlights craftsmanship but leaves the ...

Dozens of people filing into Elim Lutheran Church in Robbinsdale for a town hall with U.S. Rep. Ilhan Omar on Saturday found a new level of security. Guards welcomed guests before using wooden rods to ...

SEVIER COUNTY, Tenn. — Students in Sevier County are now passing through new artificial-intelligence weapons detectors as they arrive and leave middle and high schools each day. The district installed ...

After a gun incident at Preble High School, the Green Bay School District is considering all security upgrades, including metal detectors. Students in grades six through 12 will be required to use ...

Melissa Voegel, who has two children in EVSC schools, told the school board she is 'begging' for more action. EVANSVILLE — Guns in schools. The subject eats at Melissa Voegel enough, she says, that ...

If you love searching for treasures with a metal detector, you should know how to clean your finds properly. We break down the different methods and tools used in cleaning found metal, like an ...