Understanding supercurrents (IMAGE) Iowa State University Caption Jigang Wang with his Cryogenic Magneto-Terahertz Scanning Near-field Optical Microscope. (That’s cm-SNOM for short.) The instrument works at extreme scales of space, time and energy. Its performance is a step toward optimizing the superconducting quantum bits that will be at the heart of quantum computing. Credit Photos by Christopher Gannon/Iowa State University Usage Restrictions None 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.