Expansion Microscopy (IMAGE) Carnegie Mellon University Caption Carnegie Mellon biologist Yongxin (Leon) Zhao expands a biological sample. This expansion microscopy technique allows researchers to view fine details of samples using standard microscopy equipment. Credit Carnegie Mellon University Usage Restrictions Carnegie Mellon University 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.