Spin Cross-Correlation Experiments II (IMAGE) University of Basel Caption In contrast to parallel spin filters, for antiparallel spin filters electron pairs are allowed to exit the superconductor, which can be detected as significantly enhanced electrical currents in both paths. Credit Image: Department of Physics, University of Basel, Scixel Usage Restrictions Credit must be given to the creator. Adaptations must be shared under the same terms. License CC BY-SA 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.