Michael Shermer of "Skeptic" magazine covered how easy lie detectors are to game here: http://www.youtube.com/watch?v=GLL3wtgBiFA http://www.youtube.com/watch?v

Michael Shermer of "Skeptic" magazine covered how easy lie detectors are to game here: http://www.youtube.com/watch?v=GLL3wtgBiFA http://www.youtube.com/watch?v=GLL3wtgBiFA In the video, a former Polygraph Examiner, Doug Williams coaches him on how to beat the test. Then they test Mr Shermer and he defeats the test easily. Polygraphs are so prone to bad data, they should be retired ASAP. They're slightly more effective than dowsing rods. http://en.wikipedia.org/wiki/Dowsing http://en.wikipedia.org/wiki/Dowsing In related news, Iraq spent $38 million on dowsing rods to "detect" bombs: http://www.businessweek.com/articles/2013-07-11/in-iraq-the-bomb-detecting-device-that-didnt-work-except-to-make-money http://www.businessweek.com/articles/2013-07-11/in-iraq-the-... How many lives have been lost or ruined due to lack of basic understanding of available science?