Spin Ice Honeycomb (image) University of Illinois College of Engineering Caption This is a 3-D depiction of the honeycomb artificial spin ice topography after the annealing and cooling protocols. The light and dark colors represent the north and south magnetic poles of the islands. Credit Ian Gilbert, U. of I. Department of Physics and Frederick Seitz Materials Research Laboratory Usage Restrictions None 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.