Brownian Refrigerator (IMAGE) American Physical Society Caption A conceptual design for a Brownian refrigerator would rely on the random motion of molecules to transfer heat in microscopic applications. Credit C. Van den Broeck and R. Kawai, Physcal Review Letters (forthcoming). Usage Restrictions Contact the authors or the APS for photo permissions. License Licensed 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.