Particle accelerators such as those at the European Organization for Nuclear Research (CERN) in Geneva are typically highly ...

A new theoretical study finds shorter laser pulses achieve higher quantum efficiency for photoemission from a solid surface without increasing power or intensity. Using light to knock electrons loose ...

Photon Bridge, in Eindhoven, and PHIX, based in Enschede, both in The Netherlands, have announced a partnership to advance Photon Bridge’s high-performance DWDM external laser source known as Transmit ...

Red-light therapy promises to treat everything from acne and hair loss to depression and chronic pain. Many of these claims ...

Intravitreal brolucizumab is superior to panretinal laser photocoagulation in preserving visual acuity for patients with proliferative diabetic retinopathy, clinical trial data show.

High-energy laser weapons are a natural fit for large, power-rich aircraft carriers—with limits. When U.S. Navy leaders declared that “the dream of a laser on every ship can become a real one” earlier ...

The Army-Navy effort aims to produce a containerized 150-kilowatt high-energy laser weapon to counter incoming cruise ...

Editor’s note: This story originally appeared on Laser Wars, a newsletter about military laser weapons and other futuristic defense technology. Subscribe here. The U.S. military is paving the way for ...

The U.S. government can now use a counterdrone laser along the southern border after the Pentagon and Federal Aviation Administration (FAA) agreed the weapons are safe, the two agencies announced ...

After months of bold promises about its directed energy weapon ambitions, the U.S. military is putting its money where its mouth is. This funding, if approved, would not just mark a major increase ...