Variable neutral density (ND) filters are handy tools for photographers, in that their opacity can be adjusted simply by ...

CHARMANT Group has secured an exclusive global licensing deal with HEAD to create and distribute optical frames and ...

These sunglasses have a 4.6-star average rating from over 3,350 reviews on Amazon. Lens width: 53mm | Polarized with UV400: ...

The Cliff House Polarized Reading Sunglasses offer a blend of style and function that is hard to match. Crafted with a lightweight titanium frame, these sunglasses provide a comfortable fit that ...

They’re super-comfy, stylish, eco-friendly, and practically indestructible, thanks to their military roots. If you wear glasses, here’s why these frames are worth checking out.

The FORCA-G sunglasses, a limited-edition aviator silhouette inspired by racing culture, is made in lightweight titanium for durability to last a lifetime — the frame will not ever rust ...

Beyond its elegant appearance, a pair of Air Titanium glasses weighs as little as 2.7g, which ensures comfort over long periods of wear. ‘It’s an ingenious use of the strength, flexibility and ...

One of the most common resources on the moon is considered relatively valuable here on Earth—titanium. At $10,000 a ton, it is one of the more valuable metals used in various industries ...

The biggest stories of the day delivered to your inbox.

Donovan Harbison shares his experience as the second person on Earth to receive a titanium heart transplant. NBC News' Dr. Akshay Syal speaks with the doctors and inventor of the artificial heart ...