Magnetic Vortex Core (IMAGE) DOE/Brookhaven National Laboratory Caption The color graphic above a transmission electron microscope image of the vortex core shows the trapped spins moving around the permalloy sample, which then generate the conical vortex core rising out of the center. Credit Brookhaven National Lab Usage Restrictions Credit required 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.