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 ...

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 ...

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 ...

SkinSpirit reports laser hair removal's effectiveness varies by skin type. It uses lasers to damage hair follicles, with ...

Scientists at MIT discovered that chaotic laser light can spontaneously form a highly focused beam instead of scattering—if ...