Matter and Antimatter (image) Uppsala University Share Print E-Mail Caption Matter and antimatter in the nanoscale magnetic universe: A gas of skyrmions (purple) and antiskyrmions (green) generated from the trochoidal dynamics of a single antiskyrmion seed. Credit Joo-Von Kim, University Paris-Saclay Usage Restrictions May only be published in connection to reports about the research by U. Ritzmann, S. von Malottki, J.-V. Kim, S. Heinze, J. Sinova, and B. Dupé. Share Print E-Mail 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.