Thermal conductivity researchers (IMAGE) University of Minnesota Caption University of Minnesota Twin Cities mechanical engineering Ph.D. students Yingying Zhang and Chi Zhang conduct measurements using a home-built system involving ultrafast laser pulses to study the lanthanum strontium cobaltite devices. Credit Dingbin Huang, University of Minnesota Usage Restrictions None 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.