The saying goes that time heals all wounds, but when it comes to technology, time is much better at causing those wounds. Rather than always replacing parts, fixing things or just throwing them away, researchers have developed materials that can patch themselves up as required, which could lead to self-healing electronics, paints and even spaceship hulls. Now, researchers at the University of Delaware (UD) are working on extending the life of membranes in hydrogen fuel cells by equipping them with similar self-healing powers.
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