Foam (2 of 3) (image) Rice University Caption An electron microscope image shows a connecting link in foam made of graphene oxide and hexagonal boron nitride. The tough, ultralight foam was created by materials scientists at Rice University. Credit Ajayan Group/Rice University Usage Restrictions None 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.