A team at the University of Stuttgart has engineered a compact short-pulse laser that achieves up to 80% efficiency—far surpassing current models. Their new multipass design reuses light within a ...

In a world where first impressions often hinge on how we look, the pursuit of fuller, healthier hair has become more than a passing obsession. Enter the new generation of laser hair growth devices—a ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. A laser named after the most powerful god in ancient Greece is ...

Guiding lasers where they need to go is a key part of optics systems, and now engineers at DESY have developed a way to bend laser beams without anything touching them. The light is deflected using an ...

The devices and tools used in medicine are becoming smaller. They have greater functionality and are expected to last longer than earlier devices. Design, manufacturing, and packaging the devices and ...

Like a high-tech hammer of Thor, a powerful laser can grab hold of a lightning bolt and reroute its path through the sky. In a mountaintop experiment, such a laser bent lightning toward a lightning ...

Laser therapy for back pain offers the advantages of not requiring surgical incisions into the body and avoiding the potential adverse effects of long-term medication use. Some studies have shown that ...

The U.K. Army is preparing to deploy a laser‑based defense system against drones, a move that could reduce the high cost of countering UAV threats.