Blast Chiller for the Quantum World (IMAGE) University of Innsbruck Caption Superconducting circuit (white) on a silicon substrate fixed in a copper holder. The chip (silver) with the micromechanical oscillator is attached to the silicon substrate. The close-up shows the SQUID in the center of the circuit and directly above it the micromechanical oscillator with a magnet on its underside. A ballpoint pen serves as size reference. Credit IQOQI Innsbruck Usage Restrictions The picture may be used for editorial purposes only. It is protected by copyright. The use is free of charge if the reference is mentioned. 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.