Cracks Healed (IMAGE) Brown University Caption A cracked perovskite film (left) can be fully healed (right) with some compression of a little heat, new research shows. The findings bode well for the long-term reliability of perovskite films used in next-generation solar cells. Credit Padture Lab / Brown University 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.