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, and office buildings. A vast majority barely think twice about this process ...

For now at least, the Evansville Vanderburgh School Corp. says there is no evident groundswell of support among parents to place metal detectors or other weapons detection systems in schools. It's not ...

Those attending TUSD Governing Board meetings will now have to walk through a full-body metal detector. The security tool was revealed Tuesday night — a week after protesters took over a meeting and ...

Delighted Charlie Clarke said he 'shrieked like a schoolgirl' when he found the valuable object A CAFÉ owner who found a gold Tudor pendant while metal detecting in a field is set for a £1.75million ...

Enforcement Administration (DEA) the last 13 years has been busy. Giving lectures, consulting internationally, participating in documentaries and media discussions on the U.S. war on drugs are just a ...

If you’ve bought a smoke alarm from Amazon recently, you may want to double-check that it actually meets U.S. safety standards. The Wirecutter recently uncovered that several of the best-selling smoke ...

The best home security systems are user-friendly, affordable and customizable to your needs. Some or all of the mortgage lenders featured on our site are advertising partners of NerdWallet, but this ...

Abstract: Terahertz (THz) waves are highly sensitive to humidity changes due to the strong absorption properties of water molecules in this electromagnetic range. Based on this, this letter proposes a ...

Abstract: Soft sensors, known for physical compliance and robustness against repeated large deformations, have made significant contributions to the field of human-robot interaction. Many of soft ...