Hybrid (2 of 2) (image) Rice University Share Print E-Mail Caption A plateau of nanotubes grown seamlessly from graphene at Rice University. The hybrid material may be the most efficient ever made for supercapacitors. Credit Tour Group/Rice University Usage Restrictions None Share Print E-Mail 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.