A Metal Nanosponge under the Microscope (image) Universitat Autonoma de Barcelona Share Print E-Mail Caption A metal nanosponge is shown under the microscope. Credit Jordi Sort/UAB Usage Restrictions Author must be cited. Share Print E-Mail 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.