research schematic (IMAGE) Rice University Caption Magnetic colloid dipole orbit representation (left) resembles a Pac-Man shape (right). Credit (Image courtesy of the Biswal lab/Rice University) Usage Restrictions Must credit the Biswal lab/Rice University. License Original 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.