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 ...

Laser hair caps might be a relatively new concept to most people, but the technology behind these amazing devices has been around for decades. This makes it one of the most effective options for ...

(THE CONVERSATION) Nations around the world are rapidly developing high-energy laser weapons for military missions on land and sea, and in the air and space. Visions of swarms of small, inexpensive ...

In a laser (short for "light amplification by stimulated emission of radiation"), energy is fed into the "active medium" through a pumping process. This pumping process can occur optically through ...

The devices and tools used in medicine are becoming smaller. They have greater functionality and are expected to last longer than earlier devices. Design, manufacturing, and packaging the devices and ...

Ever since I had my first dermatologic surgery back in junior high, I've had (and been self-conscious about) my scars. I have one prominent scar on my collarbone that spans several inches from 6 or 7 ...

Joshua Kristian McCoy is a freelance writer and film critic from the United States. He is a lifelong film buff, a voting member of the Georgia Film Critics Association, a tournament-winning Smash Bros ...