Energy Distribution Curves (IMAGE) University of Tokyo Caption These colorful lines aren't just for show, they tell researchers below which temperature, in this case about 10 kelvins, a sample exhibits superconducting behavior. Credit © 2020 Okazaki et al. Usage Restrictions None 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.