(IMAGE) University of Göttingen Caption A research group at the University of Göttingen has long been researching manufacturing processes for products made of popcorn that are sustainable and efficient. The University has now agreed a licence agreement with the Bachl Group for the commercial use of the process and the products for building insulation. Credit Karl Bachl GmbH & Co. KG Usage Restrictions No restrictions. License Public Domain 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.