Superconducting Cavity (IMAGE) Chicago Quantum Exchange Caption A niobium superconducting cavity. The holes lead to tunnels which intersect to trap light and atoms. Credit Aishwarya Kumar Usage Restrictions N/A 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.