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Scientists witness metal self-heal

Scientists have observed for the first time pieces of metal self-healing as it cracked, then fuse back together without any human intervention. The groundbreaking discovery could revolutionise engineering, as it overturns fundamental scientific theories. The research team from Sandia National Laboratories and Texas A&M University published their findings in journal Nature. This could lead to the creation of self-healing engines, bridges, and airplanes, reversing damage caused by wear and tear, thereby enhancing safety and longevity of structures.