In the early 20th century, researchers made a thrilling new claim: they could tell whether someone was lying by using a machine. Popularly known as the “lie detector,” the device was extolled as an infallible crime-fighting tool. Instead, the lie detector became an apparatus of fear and intimidation. "The Lie Detector" is a tale of good intentions, twisted morals and unintended consequences. “The Lie Detector” premieres TONIGHT at 9/8c on PBS: https://to.pbs.org/3VHP0Y1 | American Experience | P
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2.3K views · 64 reactions | Have you ever wondered if lie detectors actually work? Did you know you can spot one @amhistorymuseum? Join us as we delve into the history and science behind these devices - from how they measure “deception” to the controversies surrounding their use. Stay tuned for more episodes of National Treasure, where we share behind-the-scenes stories of objects in the Smithsonian Collections. | Smithsonian Magazine | Facebook
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