(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 ...

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 ...

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 ...

At-home laser hair removal devices have been popular for their convenience, safety, relative comfort and results. If you’re curious about trying one out yourself, you may be wondering if the portable ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Iain Boyd, University of Colorado Boulder (THE CONVERSATION) Nations around the world ...