Students in the class ENGRI 1100: "Lasers and Photonics" engage in hands-on learning and build a laser for an assignment.

Laser technology has evolved to the point where this type of anti-satellite defense is plausible. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

Create a focused speaker so your music targets only the listener. That demodulates at 40 kilohertz, with an H-bridge and ...

For more than a decade, Lockheed Martin (NYSE: LMT) has been building laser guns for the U.S. military. In a press release late last month, Lockheed described how it will build a new 500 kW-class ...

Lasers are a fundamental technology of today’s society, but this amplified light still suffers from shortcomings—extreme temperatures, long distances, or even just fog. Researchers from the Washington ...

Russia is building a new ground-based laser facility for interfering with satellites orbiting overhead, according to a recent report in The Space Review. The basic idea would be to dazzle the optical ...

When we see a CO 2 laser cutter build around these parts, chances are pretty good that the focus will be on the mechatronics end, and that the actual laser will be purchased. So when we see a laser ...

This tutorial wont be the most practical recording setup you have ever used, but it is an interesting bit of science and a great DIY project. It is a simple laser listening device that will allow you ...

(CNN) — Images from space reveal an enormous X-shaped building rising up from rocky terrain in southwestern China. This is a huge nuclear fusion research facility, analysts say, and it could be a sign ...