Make a Comment • Email Link • Send Letter to Editor IPFS News Link • Techno Gadgets Smart Sunglasses Change Color on Demand 3-27-2007 • LiveScience.com The lenses the researchers have developed are made of a electrochromic polymer, a material that can alter its levels of darkness and color in response to an electric current. The glasses only require power when they change hue. Watch Streaming Broadcast Live: LRN.fm Watch live shows and archives TV Live Chat Telegram Share this page with your friends on your favorite social network: