Prototype (image) University of California - Berkeley Caption Researchers placed a printed pinhole array mask on top of an iPod touch as part of their prototype display. Shown above are top-down and side-view images of the setup. Credit Photo courtesy of Fu-Chung Huang Usage Restrictions All rights reserved. Commercial use prohibited. 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.