Add Yahoo as a preferred source to see more of our stories on Google. Green laser beam coming from a hand-held laser pointer. They're in grocery store scanners, internet connections and car backup ...

Add Yahoo as a preferred source to see more of our stories on Google. (THE CONVERSATION) Nations around the world are rapidly developing high-energy laser weapons for military missions on land and sea ...

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 ...

Electricity can be streamed wirelessly across a room through thin air, researchers have found. Scientists from Seoul, South Korea, have figured out how to transmit 400 milliwatts (mW) of electricity ...

Do Laser Caps Work for Hair Growth? If you’ve ever searched for hair loss treatments, you may have stumbled across something called laser hair growth caps. Less invasive than a hair transplant and ...

Dreary winter months are a great time for laser skin treatments. We had two leading experts break down the best lasers for ...

Yes, laser hair removal devices really do work to reduce unwanted hair in a number of treatment areas on the body and face, depending on your skin type and hair color. Whether it’s an at-home device ...

Boaz Man, DVM, explains how improved education and smart laser technology are helping veterinarians be more proactive, ...

Use proper ventilation to avoid harmful fumes Protect your eyes with safety glasses Practice fire safety and keep workspace organized Working with a laser engraver at home can be a fun and rewarding ...