To produce this wire, the researchers first dug narrow tunnels through a "self-healing polymer", which was then filled with the combination of liquid metals indium and gallium.
When the wire is cut, on the places where the core is cut, barriers start to form due to oxidation which prevent leakage of liquid metal from the polymer layer, but when you then connect the ends and hold them for a few seconds, the wire connects itself (and the polymer layer), and becomes perfectly functional and just as strong as before the cut.
Scientists say these wires have great potential for use in technologies that are used in difficult conditions because of their resilience and self-healing properties. We would like to find these wires in all our gadgets, because we believe that the warranty periods could be significantly prolonged that way.
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