Boron (1 of 2) (image) Rice University Share Print E-Mail Caption A simulation of one-dimensional boron under stress shows the theoretical material changing phase from a ribbon to a chain of atoms when pulled. The chain returns to ribbon form when the stress is relieved. Credit Yakobson Research Group Usage Restrictions None Share Print E-Mail 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.