A filament of the plasmonic plastic. (IMAGE) Chalmers University of Technology Caption A filament of the plasmonic plastic. Due to its flexibility, the material can be formed into almost any shape. In this particular example, the filament is intended for use in 3D printers. Credit Chalmers/Malin Arnesson Usage Restrictions Editorial use only 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.