High-energy lasers can burn drones in the sky like a blowtorch. But they can be stymied by weather, and making them at scale will be a challenge.

The U.S. Marine Corps plans to deploy a full-body camouflage cloak designed to defeat ...

Researchers have built a microscopic 3D-printed optical device that funnels light from 37 separate multimode semiconductor lasers into a single optical fiber, merging 222 distinct spatial modes; the ...