A new polymer material that can repeatedly heal itself at room temperature when exposed to ultraviolet light presents the tantalizing possibility of products that can repair themselves when damaged. Possibilities include self-healing medical implants, cars, or even airplane parts.
The polymer, created by researchers at Carnegie Mellon University and Kyushu University, heals when a crack in the material is pressed together and exposed to UV light. The same treatment can cause separate chunks of the material to fuse together to form one solid piece.
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