Add Yahoo as a preferred source to see more of our stories on Google. The USS Portland test-fires a laser weapon. The photo captured infrared light to make the beam visible. Staff Sgt. Donald ...

For decades, laser engineers have wrestled with an embarrassing blind spot: the green-through-yellow slice of the visible ...

Light still holds surprises—as demonstrated by researchers from the Ultrafast Phenomena Lab at the Faculty of Physics, University of Warsaw, in collaboration with the Institute of Low Temperature and ...

Add Yahoo as a preferred source to see more of our stories on Google. (THE CONVERSATION) Nations around the world are rapidly developing high-energy laser weapons for military missions on land and sea ...

Laser Devices Inc. (LDI) introduces the Dual Beam Aiming Laser-Advanced2 (DBAL-A2). DBAL-A2 is equipped with infrared and visible laser pointers (combined into a single laser module), and a focusable ...

A massive green and blue laser beam was spotted in the San Francisco sky earlier this week, and despite plenty of speculation online, no one seemed to know much about its purpose or origin – until now ...

Researchers have found that under certain conditions, a laser beam can act like an opaque object and cast a shadow, opening new possibilities for technologies that could use a laser beam to control ...

For the first time, researchers have demonstrated that a laser-plasma accelerator can reliably drive a free-electron laser ...