Helium-3 Refrigerator (image) University of California - Riverside Caption Helium-3 refrigerator at UCR that was used by Lau and her research team in the graphene experiments. Credit Lau lab, UC-Riverside. 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.