The centerpiece, of course, is the green laser unit that’s powered by DeWalt ... a target card, a drop ceiling attachment, and a storage case to keep everything tidy when not in use.

DC-area residents living along the river might have caught a glimpse of the latest step in the response effort overnight Friday: A green laser projected over the surface of the water. As of Thursday ...

Researchers at Nichia Corporation have demonstrated green InGaN-based lasers grown on c-plane sapphire, with lifetimes capable of supporting commercial applications. The demonstration of green ...

The National Oceanic and Atmospheric Administration (NOAA) will conduct a low-altitude flight over the Potomac River and use ...

A National Oceanic and Atmospheric Administration plane used a green laser Saturday to search the Potomac River for ...