Synthetic spider silk laced with graphene can heal itself when wet


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A giant golden orb weaver spider (Nephila pilipes

A protein in the silk of the giant golden orb-weaver spider (Nephila pilipes) allows it to heal when wet

Benambot/iStockphoto/Getty Images

A synthetic material made from a protein in spider silk and laced with graphene can rapidly repair itself and form healable electrical circuits.

Hsuan-Chen Wu at the National Taiwan University and his colleagues collected silk from giant golden orb-weaver spiders (Nephila pilipes) and dissolved it in a chemical called hexafluoroisopropanol.

They dried the solution to create a thin film and used a razor blade to make a small cut in it, about …

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