HTS material (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption An experimental board containing a superconducting tape-shaped HTS material called Bi-2223 and a controlled heater is used to test the thermal runaway-based concept of magnet protection. Credit Marilyn Sargent/Berkeley Lab Usage Restrictions N/A 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.