Electrical wire with liquid metal core can stretch and heal itself if broken [#electronics]

Stretchable electrical wires heal back together after being severed
"Last month, we heard about how a team led by North Carolina State University’s Dr. Michael Dickey had created an electrical wire that could be stretched up to eight times its regular length … and still carry a current. This was possible thanks to a conductive liquid metal alloy of gallium and indium, contained inside the wire’s elastic polymer outer housing. Now, Dickey’s team has developed a new wire that not only can be stretched, but that will heal itself when severed." via Gizmag

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