Scientists at Israel’s Technion Institute have produced eco-friendly self-healing nanocrystal semiconductors. They have shown how these materials, known as double perovskites, exhibit self-healing capabilities after being injured by electron beam radiation.
https://jewishbusinessnews.com/2022/01/02/breakthrough-self-repairing-materials-are-already-here/
https://onlinelibrary.wiley.com/doi/full/10.1002/adfm.202110421