Polyester dress cut up into small pieces (IMAGE) University of Copenhagen - Faculty of Science Caption A polyester fabric dress cut up into small pieces and put in a container with hartshorn salt and mild solvent. Credit Bettina Illemann Larsen/University of Copenhagen Usage Restrictions Image may be used with appropriate caption and credit License Original 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.