A Spectra Physics Model A supermarket scanner—one of the first ten ever produced. A laser within the unit projects a beam onto a mirror that redirects it through the glass plate on the top. Cade ...

Here’s a story that sounds like sci-fi: Every law enforcement agency in Cochise County will soon use iris-scanning technology to identify people. And it’s the same iris scanning technology that’s ...

At the Port of Beirut, the new scanners did exactly what they were built to do. They saw the lithium batteries. They saw the drone propellers. They saw the fiber optic cable. They matched the scans ...