Dipole Magnet and Quadrupole Module (IMAGE) ETH Zurich Caption This is a dipole magnet and quadrupole module in diagram form. Credit Gu H et al. <i>Science Robotics</i> 2019 Usage Restrictions None 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.