Glass for mirrors is sometimes tinned instead of being silvered. M. Gulley, of France, has invented a process by which the tin is protected from injury by means of a coat of metal. It is done in ...

Rahul Khurana, an ophthalmologist and former clinical spokesperson for the American Academy of Ophthalmology ... t need to wear blue-light-blocking glasses during the day. However, our bodies ...

Black Friday is over, but someone forgot to tell Meta and Xreal, as all of the best smart glasses are still getting huge price cuts! In fact, I think these prices are going to continue through to ...

The Ray-Ban Meta glasses impressed in our initial look at them last year. In addition to being some of the first smart glasses that look good as part of your daily wardrobe, they’re also some of ...