Cavity Process (IMAGE) Aalto University Caption Aluminium nanowire, whose vibrations are coupled to the superconducting cavity (on the right), enables almost noiseless amplification of microwaves. Credit Tero Heikkilä 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.