Terminator style liquid metal has been devised -- for an antenna.

Originally shared by Wayne Radinsky

Terminator style liquid metal has been devised -- for an antenna. Or maybe what was devised was a new electrochemical method for reversible, pump-free control of liquid eutectic gallium and indium (EGaIn) in a capillary. "The simplicity of applying a small positive voltage to cause the metal to flow into a capillary, and a small negative voltage to make it withdraw again, obviously takes place on a much smaller scale than the mimetic poly-alloy which makes up the Terminator." You don't say.

"Our antenna prototype using liquid metal can tune over a range of at least two times greater than systems using electronic switches."
http://www.theregister.co.uk/2015/05/20/boffins_create_reconfigurable_liquid_metal_antenna

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