(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 ...

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 ...

Plasma, ionized gas and the fourth state of matter, makes up over 99% of the ordinary matter in the universe. Understanding ...

Israel’s experimental air-defense system known as the Iron Beam uses laser technology to strike down drones and rockets, but military analysts say the device needs U.S. support to improve its ...

Grad student Charlotte Fuqua talks with this physical chemist and spectroscopy maverick about lasers, mental health, and ...

For effective laser hair removal results at home, it's important shave at the right time, avoid specific irritants and be ...

Intense pulsed light (IPL) treatments target skin pigmentation, scars, wrinkles, and acne. Here’s how IPL works, its ...