Test Tank (IMAGE) Karlsruher Institut für Technologie (KIT) Caption Using a test tank, KIT scientists studied the effects of environmental conditions on fabric membrane gas holders. Credit Photo: Rosemarie Wagner, KIT 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.