It shouldn't; fluid is an insulator and the lubricant has enough (viscosity? tensile strength? I'm not a materials guy) to adhere to the part in question. The s

It shouldn't; fluid is an insulator and the lubricant has enough (viscosity? tensile strength? I'm not a materials guy) to adhere to the part in question. The soundwaves must be super high-frequency so they should just get absorbed without displacement. I'd be curious to see if something like this could succesfully handle an Etch-a-Sketch or Magna-Doodle without ruining the picture though.