Twisted spin wave (IMAGE) Technical University of Munich (TUM) Caption The propagation of spin waves perpendicular to skyrmions displays a quantization of the circular orbits. In addition, the circular orbit is topologically non-trivial: it carries a subtle twist, somewhat similar to a so-called Möbius strip. Credit Christoph Hohmann / MCQST Usage Restrictions free for reporting on the project and the involved scientific institutions License Original 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.