Test Subject (IMAGE) Johannes Gutenberg Universitaet Mainz Caption This is a test subject watching a 3-D film. Credit photo/©: Andreas Baranowski, JGU Usage Restrictions This image may only be used in connection with the press release "Real and artificially generated 3-D films are nearly impossible to distinguish", issued by Johannes Gutenberg University Mainz on August 1, 2016. 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.