Georgia could become the first state with weapons detection in all public schools

Georgia lawmakers may require that every public school student be checked for weapons each day. On Monday, a Senate committee ...

I Found Toys at the Beach and Change at the Park Testing These Expert-Approved Metal Detectors

Scanning parks and beaches with one of these can be a unique and fascinating hobby.
Security Info Watch

Garrett Vortex CSI Metal Detector Tailored for Crime Scene Investigation

The specialized ground search detector features one-handed controls and modes optimized for bullets, shell casings and other ...
Michael Oliver Official on MSN

What happens when you metal detect underwater with crocodiles and a python?

We ventured into dangerous waters for some underwater metal detecting, but what we didn’t expect was to be surrounded by ...

Can this medieval shipwreck rewrite ancient history?

More than a thousand years after a ship vanished off the coast of modern-day Croatia, archaeologists have uncovered a wreck ...
ZME Science

A Diver in Israel Just Found Another Crusader Sword on the Seafloor

“This is an extremely rare find that sheds light on the Crusader presence on the coasts of the country,” Tsveikal said in a ...
IEEE

An Underwater Multi-User Communication System Using Photomultiplier-Tube-Based Photon Detector With Dead-Time Effect and Shot Noise

Abstract: We investigate detection for practical photon-counting receivers in underwater optical wireless communication (UOWC) systems, where dead-time effects and multi-user interference (MUI) pose ...