Self-healing coating
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Scientists have created a 'self-healing' metal coating

Scientists from the University of Illinois have developed "self-healing" coatings for metals and pipelines.

The researchers say the coatings contain micro-capsules which release materials to repair metals when they are damaged or corroded.

BBC Click talked to Chris Matthews about how the coating works.

More at BBC.com/Click and @BBCClick.

  • 29 Jun 2015
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