Global Order of Magnetic Charge Ice (IMAGE) Northern Illinois University Caption A depiction of the global order of magnetic charge ice. Orange-red areas represent the positive charges; blue areas represent negative charges. Credit Yong-Lei Wang and 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.