A sign is affixed to the front of each lectern, that when lit up reads “He's lying” in bright red letters. The sign is activated whenever the audio level on the microphone rises above the threshold for background noise.
-- ytk, Oct 11 2012

Simpler to have a pressure-activated switch on the floor behind the lectern.
-- pocmloc, Oct 11 2012


You need a lie indicator when a politician is talking?
-- theircompetitor, Oct 11 2012



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