Make a Comment • Email Link • Send Letter to Editor IPFS News Link • Energy Scientists develop solar cells with a twist 10-6-2008 • Reuters U.S. researchers have found a way to make efficient silicon-based solar cells that are flexible enough to be rolled around a pencil and transparent enough to be used to tint windows on buildings or cars. 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: