skyrmion dynamics (IMAGE) Johannes Gutenberg Universitaet Mainz Caption Magneto-optical microscope image of a skyrmion, which is the dark spot marked by a blue circle, in a ring of magnetic material. The spatially resolved pinning potential, which determines the special occurrence probability of the skyrmion, is shown. This is inhomogeneous due to material defects. The results from simulation and experiment as well as a high-resolution interpolation of the experimental results are shown around the microscopy image. Credit ill./©: Maarten A. Brems & Tobias Sparmann Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. No derivatives or adaptations of the work are permitted. License CC BY-NC-ND 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.