I remember mercury filled speaker cables being discussed briefly in the 80s. [1] Hypothetical review of such cables: "This wire lends a liquid transparency to

I remember mercury filled speaker cables being discussed briefly in the 80s. [1] Hypothetical review of such cables: "This wire lends a liquid transparency to strings. The fluid quality of horns has to be heard to be believed. There is a silvery quality to the brass, with no sign of the hard-edged, coppery sound normally associated with speaker cable...." [1] https://groups.google.com/forum/?hl=en#!topic/sci.physics/BaPccdHhJ1k https://groups.google.com/forum/?hl=en#!topic/sci.physics/Ba...