Image 1 (IMAGE) Nanyang Technological University Caption Associate Professor Lee Seok Woo, from NTU’s School of Electrical and Electronic Engineering (EEE) holding up the flexible battery that is as thin as a human cornea. Credit NTU Singapore Usage Restrictions No restrictions. License Public Domain 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.