nanotube helmet (IMAGE) University of Wisconsin-Madison Caption University of Wisconsin–Madison postdoctoral research associate Komal Chawla studies the architected vertically aligned carbon nanotube foam in the lab. Credit University of Wisconsin–Madison/Joel Hallberg Usage Restrictions Credit must be given to the creator. License CC BY 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.