A Paired Platform (IMAGE) Columbia University Caption A second illustration of positively charged holes interacting with negatively charged electrons between two sheets of graphene to form a bosonic pair. Credit Credit: Cory R. Dean, Columbia University Usage Restrictions With Credit 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.