Electron Spin (IMAGE) University of Arizona Caption Just like a magnet with a north and a south pole (left), electrons are surrounded by a magnetic field (right). This magnetic momentum, or spin, could be used to store information in more efficient ways. Credit Philippe Jacquod Usage Restrictions Usage only granted in conjunction with reporting/posting of this news release. Credit must by indicated as stated in the description. 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.