Argonne Invents Reusable Sponge (1 of 3) (IMAGE) DOE/Argonne National Laboratory Caption Argonne postdoctoral researcher Ed Barry wrings out a sheet of Oleo Sponge during tests at Argonne. Credit Mark Lopez/Argonne National Laboratory 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.