Small Business Resources, Business Advice and Forms from AllBusiness.com

Battery-powered sunglasses.(STRESS RELIEF)

Imagine a single pair of glasses with lenses that can be transparent or dark, and in shades of yellow, green, or purple, all on command. The lenses are made of a gel sandwiched between two layers of organic electrochromic oxides that change transparency depending on the amount of current. The prototype glasses are powered by a watch battery that attaches to the glasses frame, and the wearer spins a tiny dial

In addition, make sure to read these premium articles also available with your free trial: