Sensor (IMAGE) Bar-Ilan University Caption The experimental setup for measuring specific heat includes a suspended Si membrane (the 'nano trampoline') a thin copper meander used as a heater, and a thin niobium nitride film acting as a thermometer. The two dimensional superconductors are prepared by evaporation of lead from a heated basket. Credit Shahar Medalion Usage Restrictions Image may be used with proper caption and credit 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.