Supercapacitor Photo (IMAGE) University of Southern California Caption This is transparent film holds embedded nanotube/nanowire capacitor with high energy density and storage capacity. Credit USC Viterbi School of Engineering Usage Restrictions credit USC Viterbi School of Engineering 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.