Scientists developed self-repairing wire

wire

The biggest problem with wires in general is that they can tear. Researchers at the University of North Carolina State, in the video below demonstrate how their wire which consists of a core of liquid metal and the layer (insulation) of the polymer itself can be "cured", that is connected, even when it is fully Cut off with scissors.

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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