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0:59
YouTube
Rapid How
How Does a Lie Detector Work? | The Truth Behind the Polygraph Machine Explained
How Does a Lie Detector Work? | The Truth Behind the Polygraph Machine Explained Ever wondered how a polygraph (lie detector) machine works? In this video, we break down the science behind it! Learn about the sensors that measure your heart rate, blood pressure, breathing, sweat, and even hand movements. Discover what happens to your body when ...
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