Upgrade your eyewear with glasses that can function as cameras, headphones, and AR displays. We've tested all the major models and have everything you need to know to pick the best smart glasses ...

Color science is the term we use to describe the ‘look’ of colors from particular cameras or brands. It sounds like it should have a definite technical basis, but it’s actually quite hard to pin down ...

Colored contact lenses are the most common and reliable way to temporarily change eye color, available in prescription or non-prescription forms and different opacities for subtle or dramatic effects.

In addition to the YU7, Xiaomi launched AI-connected glasses, similar to Meta’s Ray-Bans, featuring lens tint adjustment and QR code payment scanning. These glasses, priced at 1,999 yuan (US$279), ...

Alexandrite is also a strongly pleochroic gem, which means it can show different colors when viewed from different directions. Typically, its three pleochroic colors are green, orange, and purple-red.

GitHub is where people build software. More than 150 million people use GitHub to discover, fork, and contribute to over 420 million projects.