Lie detector 1923
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Lie detector 1923
American instrument for the detection of uttered fibs, falsehoods, and other untruths, based on responses of the subjects heart and lungs.
A man can lie, but science has shown that he cannot force his heart and lungs to lie also. A false answer accelerates their action and the apparatus shown above records these variations, revealing the probable falsehood they betray
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Media ID 570832
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Detection Detector Detectors Instrument Instruments Lying Test
EDITORS COMMENTS
1. Title: Discovering Deception in the Roaring Twenties: The Lie Detector, 1923 2.. In the intriguing world of the 1920s, science and technology began to unravel the complexities of human behavior, including the art of deception. The image above showcases an early lie detector, a groundbreaking American invention from 1923 that captured the public's imagination and challenged the boundaries of truth and falsehood. This ingenious device, designed to detect uttered fibs, falsehoods, and untruths, was based on the premise that a person's heart and lungs cannot be deceptive. When an individual lies, their physiological responses, such as increased heart rate and breathing, can betray their untruths. The lie detector, a testament to the scientific progress of the era, was a marvel of innovation. It consisted of a series of tubes, gauges, and other components that recorded the subtle variations in the subject's heart and lung functions. These records, or "polygraphs," could then be analyzed by experts to determine the likelihood of deception. The lie detector quickly gained popularity during the 1920s, captivating the public's fascination with its ability to uncover hidden truths. It was used in various contexts, from criminal investigations to employment screenings, and even in personal relationships. As we reflect on this historical artifact, we are reminded of the enduring human quest for truth and the role that science plays in shaping our understanding of the world around us. The lie detector, a symbol of the 1920s' scientific advancements, continues to inspire curiosity and intrigue, offering a glimpse into the past and the potential for future discoveries.
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