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How Do Polygraph Machines Work?
3:12
YouTubeBrainStuff - HowStuffWorks
How Do Polygraph Machines Work?
Also known as 'lie detectors,' polygraphs are used to record an individual's vital signs, such as breathing rate, pulse, and so forth. Check out this episode of ...
195.6K viewsNov 1, 2013
Polygraph Test Prank
Ariana Grande & Cynthia Erivo vs. Lie Detector | Vanity Fair
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Ariana Grande & Cynthia Erivo vs. Lie Detector | Vanity Fair
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Understanding the Polygraph Test: How It Detects Lies
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Understanding the Polygraph Test: How It Detects Lies
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FORCING MY FRIENDS TO TAKE A LIE DETECTOR TEST
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Top videos
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Special Two-Hour Premiere of "Lie Detector: Truth or Deception" Premieres July 10
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