If you talk to the FDA, there’s only one permanent method of hair removal—electrolysis. This involves sticking a needle into ...

When lasers were invented in the 1960s, they opened new avenues for scientific discovery and everyday applications, from scanners at the grocery store to corrective eye surgery. Conventional lasers ...

High-energy lasers can burn drones in the sky like a blowtorch. But they can be stymied by weather, and making them at scale will be a challenge. By Farah Stockman Farah Stockman covers manufacturing ...

Everyone made fun of Marjorie Taylor Greene when she said that Rothschild-funded space lasers had caused forest fires. But, as it turns out, the space lasers are real. Well, sort of. They aren’t ...

The winter months, when people spend significantly less time in the sun, are typically known as “laser season” by skin experts—if you’re considering a treatment, now is a great time. “We perform laser ...

A drone appears on the grainy, gray-scaled image of the thermal camera. This is the type of drone used by groups such as Hezbollah, Hamas and the Yemeni Houthis. Suddenly, a blinding whiteness ...

The only real laser weapon that saw service during the 20th century was a low-power laser used by the Royal Navy during the 1982 Falklands War to temporarily dazzle and distract enemy pilots. Not that ...

In a world dominated by pistons, the rotary engine was something different for motorists. It was the vision of German engineer Felix Wankel, built on the belief that the up-and-down motion of pistons ...

We explore the math problem facing NATO — and one possible solution. By Lara Jakes I write about the weapons industry. Russian drones have been swarming Ukraine in increasing numbers as Moscow ramps ...

Learn how to design and craft your own custom laser-cut sign using the Creality Falcon A1. This step-by-step laser tutorial will guide you through the entire process, from setup to the perfect ...

Peacock feathers are greatly admired for their bright iridescent colors, but it turns out they can also emit laser light when dyed multiple times, according to a paper published in the journal ...

We may receive a commission on purchases made from links. Few things are as universally frustrating for homeowners as objects being unaligned. Whether a decorative feature such as a picture frame or ...