Inspired by the comic book character Wolverine, scientists have developed a self-healing, highly stretchable, transparent material that can be used to power artificial muscles.

The end product is a soft, rubber-like material that’s easy to produce at low cost. It can stretch to 50 times its original length, and can heal itself from a scissor cut in the space of 24 hours at room temperature.

Just 5 minutes after being cut, the material can stretch to two times its original length again – not a bad power for a comic book superhero to have.

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