Nanodisk Fingerprint (1 of 2) (IMAGE) University of California - Davis Caption This magnetic fingerprint, or "FORC distribution," of 10-nanometer-thick cobalt nanodisks shows that all the magnetic moments are pointing in the same direction. Credit Kai Liu/UC Davis Usage Restrictions One-time usage rights to accompany story related to the University of California, Davis, news release. Must contain photo credit. 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.