University of Warwick Gold (IMAGE) University of Warwick Caption University of Warwick chemistry Ph.D. student Helena Stec with some ultra-thin gold film, watched by professor Tim Jones, chemistry, and Dr. Ross Hatton, chemistry. Credit University of Warwick 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.