Patterned Magnetic Charge Ice (IMAGE) University of Notre Dame Caption These are magnetic force microscopy images of the patterned magnetic charge ice with 'ND' letters (initials of Notre Dame). Credit Yong-Lei Wang/Zhili Xiao Usage Restrictions Please credit appropriately 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.