There are many different types of lasers—almost as many as there are applications for the same—but what ties them all together as a class is that they depend on the same physical effect: stimulated ...

They're in grocery store scanners, internet connections and car backup cameras. Whether you realize it or not, you interact with lasers every day. This light-based technology has helped build the ...

So you’ve finally decided to do something about the annoying stubble on your legs and underarms—waxing and shaving aren’t cutting it anymore. Good for you! Taking steps toward a permanent solution is ...

When you're engaged in just about any kind of home improvement, small-scale tinkering, or pre-moving renovation, precision is of the utmost importance. You can't build a proper shelf, for example, if ...

The DragonFire laser directed-energy weapon achieved the U.K.’s first high-power firing of the weapon type against an aerial target. (Photo provided/British Defence Ministry) (THE CONVERSATION) ...

Do Laser Caps Work for Hair Growth? If you’ve ever searched for hair loss treatments, you may have stumbled across something called laser hair growth caps. Less invasive than a hair transplant and ...

As summer comes to an end, dark spots, sun damage and emerging fine lines may be top of mind. Lasers are a high-tech, efficacious way to address these common skin concerns and many consumers are ...

We may receive a commission on purchases made from links. Few things are as universally frustrating for homeowners as objects being unaligned. Whether a decorative feature such as a picture frame or ...

Who doesn't love a humongous laser? Here at ExtremeTech, we're fans of both 1) technology and 2) extremes, and lasers are toward the far end of both spectra. So, do you have a minute? In the spirit of ...

First predicted by Einstein more than a century ago, lasers have shaped our modern technological landscape. But how do they work? When you purchase through links on our site, we may earn an affiliate ...