Antidots (IMAGE) Louisiana State University Caption LSU researchers created holes, or antidots, in thin films of manganite, which is used to build magnetic hard discs in computers. It was discovered that the edges of the antidots were magnetic. Credit Ward Plummer, Louisiana State University 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.