Sunglasses on Demand (video)
Photochromic lenses
Photochromic lenses, which change from clear to tinted in sunlight, have been around for decades. Now a group of researchers at Georgia Tech has developed a polymer coating that can change its color instantly with just a small electrical current. That means no more waiting for your glasses to turn to shades; all you'd have to do is push a button.
Read next: Republicans Demand Answers From FDA on Approval of Generic Abortion Pill
View Comments
American Chemical Society——Bio and Archives
American Chemical Society, ACS is a congressionally chartered independent membership organization which represents professionals at all degree levels and in all fields of chemistry and sciences that involve chemistry.