Wired Up Enzymes (IMAGE) American Chemical Society Caption Computer graphic representation of a single-walled carbon nanotube (elongated structure) Credit Courtesy of Michael J. Heben, National Renewable Energy Laboratory Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.