Quantum Drum (IMAGE) University of Copenhagen - Faculty of Science Caption The vibrating quantum drum is at the centre of a holed membrane. Credit Photo: Julian Robinson-Tait Usage Restrictions Used in context of this research and with proper credits given 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.