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 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 ...

Researchers from NTNU and EPFL have unveiled a compact, low-cost laser that outperforms current models in speed, control, and ...

A team of physicists from the University of Innsbruck and Harvard University has proposed a fundamentally new way to generate ...

The USS Portland test-fires a laser weapon. The photo captured infrared light to make the beam visible. Staff Sgt. Donald Holbert/Marine Corps via AP Nations around the world are rapidly developing ...

Anthony Fiorito, a senior engineering physics major at Florida Polytechnic University, was published as first author of a study that found that when infused with a specific dye, peacock feathers can ...

LiDAR uses lasers to measure the distance, shape, and orientation of objects around you, making it great for both mapping and ...

Natural light profoundly affects our biology, from how well we sleep, to our brain function and immune response. The ancient Egyptians used solar radiation to disinfect and heal chronic wounds and ...

Spider veins (telangiectasia) and small varicose veins are small blood vessels that become purple or red, swollen, twisted, ...