Science & Technology
January 28, 2013 ·
8 comments
Image Credit: NCSU
In the future such self-repairing wires could prove invaluable in situations where it is too difficult or dangerous to perform manual repairs. The mechanism can also be used to form complex microfluidic networks by performing strategic cuts and re-connecting the pieces in a different order.
Source: Live Science | Comments (8)
Self-repairing 'living wire' developed
By T.K. RandallJanuary 28, 2013 ·
8 comments
Image Credit: NCSU
Science fiction has become science fact as scientists invent a wire that can fix itself when cut.
A team at North Carolina State University have created an electricity-conducting wire with a liquid metal core composed of gallium and indium which is housed inside a stretchable polymer sheath. When the wire is cut the liquid alloy inside oxidizes and hardens so that when the two ends are reconnected the current will still flow and the wire is in fully working order again without the need to manually solder it back together.In the future such self-repairing wires could prove invaluable in situations where it is too difficult or dangerous to perform manual repairs. The mechanism can also be used to form complex microfluidic networks by performing strategic cuts and re-connecting the pieces in a different order.
The liquid alloy isn't the only amazing thing about this wire: The outer polymer sheath is also self-healing. When two severed ends are placed against one another, "the sheath re-forms its molecular bonds," according to an NCSU press release.
Source: Live Science | Comments (8)
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