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 ...

Add Yahoo as a preferred source to see more of our stories on Google. The USS Portland test-fires a laser weapon. The photo captured infrared light to make the beam visible. Staff Sgt. Donald ...

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 ...

Hidradenitis suppurativa (HS), sometimes called acne inversa, is a chronic skin condition that causes painful lesions under the skin. The lesions can look like boils or pimples, and tend to appear in ...

When we first heard the term “random laser,” we did a double-take. After all, most ordinary sources of light are random. One defining characteristic of a traditional laser is that it emits coherent ...

Visions of swarms of small, inexpensive drones filling the skies or skimming across the waves are motivating militaries to develop and deploy laser weapons as an alternative to costly and potentially ...

Yes, laser hair removal devices really do work to reduce unwanted hair in a number of treatment areas on the body and face, depending on your skin type and hair color. Whether it’s an at-home device ...