Three Magnetic States for Each Hole (IMAGE) Helmholtz-Zentrum Dresden-Rossendorf Caption Researchers at the Helmholtz Zentrum Dresden-Rossendorf in Germany have calculated that the specific layout of four holes ("antidots") in a layer of cobalt will accommodate 15 different combinations for programming. Credit HZDR Usage Restrictions None 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.