Andreev reflection (IMAGE) Aalto University Caption Illustration of Andreev reflection between a superconductor and an atomically sharp metal tip. Credit Aalto University / Jose Lado. Usage Restrictions May be used in publications related to this release with appropriate credit. 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.