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 ...

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 ...

Editor’s note: This story originally appeared on Laser Wars, a newsletter about military laser weapons and other futuristic defense technology. Subscribe here. For decades, the U.S. military’s dream ...

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 ...

The headlines lately have verged on science fiction. A few weeks ago, my colleague Simon Shuster reported that the Ukrainian military had unveiled a new anti-drone laser weapon called the Sunray. On ...

The winter months, when people spend significantly less time in the sun, are typically known as “laser season” by skin experts—if you’re considering a treatment, now is a great time. “We perform laser ...

The Defense Department has been aggressively pursuing laser weapons and defense systems, a push that gained significant attention this week when the use of an anti-drone laser system led to the ...

The engine in your car, truck, or SUV can run on either copper, platinum, or iridium spark plugs. You probably heard the hype around iridium plugs and how they manage to deliver solid sparks while ...

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 ...