The good news: Despite what the name may imply, cold laser isn't an Arctic-level skin-freezing procedure. Also known as low-level laser therapy (LLLT) or photobiomodulation, this noninvasive (and yes, ...

Laser weapons are such an entrenched sci-fi trope that it's easy to forget just how real this tech can be (and is). While we're not exactly close to seeing real-life "Star Wars" space battles, the U.S ...

I have a confession to make: I love lotto scratchers, sometimes called scratch-off tickets, so damn much. I know they rarely pay out. I know they’re designed to sucker you in. I know all of that. And ...

Artist rendering of the Indirect Fire Protection Capability-High Energy Laser. (Lockheed Martin) Editor’s note: This story originally appeared on Laser Wars, a newsletter about military laser weapons ...

Laser weapons have become super portable. Defense and security company NUBURU's Lyocon subsidiary has adapted industrial laser technology to create an anti-drone laser weapon small and light enough to ...

Physicists at CU Boulder have demonstrated a new kind of vacuum ultraviolet laser that is 100 to 1,000 times more efficient than existing technologies of its kind. The researchers say the device could ...

Shopping for a printer largely boils down to choosing between inkjet and laser. Both put text and images onto paper, which seems straightforward enough, but they differ in how they do it. Which you ...

Astronomers using the MeerKAT telescope in South Africa have discovered a powerful microwave laser beam firing off in the distant reaches of the cosmos. Detected nearly 8 billion light years away in a ...

A composite image of the galaxy H-ATLAS J142935.3-002836, combining views from the Hubble Space Telescope and the Keck Observatory. Credit: NASA/ESA/ESO/W. M. Keck Observatory Space is full of odd ...

The takeaway: The US Army's latest counter-drone weapon works less like a missile and more like a bug zapper. Mounted on tactical vehicles, the Locust laser reflects how directed-energy systems have ...

Aalto University scientists have created a laser-based treatment that uses gentle heat to stop the progression of dry macular degeneration. The approach stimulates the eye’s natural cleanup and repair ...

A quadcopter drone burns after being hit by a laser weapon system at Camp Roberts, California, Feb. 6, 2025. (Dan Linehan/U.S. Navy) The U.S. Army aims to produce up to 20 high-energy laser weapons to ...