Researchers have created a bilayer metasurface made of two stacked layers of titanium dioxide nanostructures, opening new possibilities for structuring light.

Whether you’re selecting sunglasses for yourself or as a gift for a parent, this guide will walk you through the most important features, including UV protection, lens types, frame styles, comfort and ...

Sunglasses occupy prime real estate, and finding the right pair can be a daunting task. So think of the best sunglasses ...

When you’re off the water, the sun shields are removable, giving these glasses a lifestyle look, perfect for an all-in-one pair of sunglasses. Costa Blackfin 580G Polarized Sunglasses are a ...

Freedom Shield 25 is focused on combined operations in a join all-domain environment, demonstrating the readiness of U.S. and ROK forces and allowing to refine the plans for Agile Combat Employment.

Yep, you either forgot or don’t have a pair of driving sunglasses. Driving is already comprised of a thousand different distractions but one of the biggest is that great ball of fiery gas in the ...

For the height of spring, senior fashion and accessories editor Jaclyn Alexandra Cohen gives us an up-close look at the season’s best sunglasses. As a New Yorker, I never leave the house without ...

Shield AI, a provider of autonomy software and defense aircraft, yesterday announced that it has completed an F-1 strategic funding round of $240 million, bringing the company’s valuation to $5.3 ...

Shield AI, the San Diego defense tech startup that builds drones and other AI-powered military systems, has raised a $240 million round at a $5.3 billion valuation, it announced today. Shield AI ...

State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, P. R. China Fujian Science & Technology ...

The solar system has many more moons than the one we can see in the sky. But how many do we actually know about? And how many more are waiting to be discovered? Faint signatures detected by the ...