One of the defining characteristics
of living organisms is their inherent ability to repair physical damage. A
growing trend in biomimicry is the creation of non-living structural materials
that also have the capacity to heal themselves when cut, torn or cracked.
Self-healing materials which can repair damage without external human
intervention could give manufactured goods longer lifetimes and reduce the demand
for raw materials, as well as improving the inherent safety of materials used
in construction or to form the bodies of aircraft.
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