From UVaToday:

In a roundabout way, University of Virginia chemical engineering associate professor Joshua J. Choi and Commonwealth Professor of Physics Seung-Hun Lee are kindred spirits with the artists who created the beautiful stained-glass windows found in medieval churches and cathedrals. They are using the same technology that produces colored glass to help the Department of Homeland Security keep America safe.

For full story, see:

https://news.virginia.edu/content/creating-clearer-picture-uva-team-improving-weapons-screening-us-ports