Sommaire | Arts numériques | Soumission à l’autorité | T909228_03

T909228_03
American inventor John Larson (1892 - 1983) (right) demonstrates the operation of a polygraph or 'lie detector' at Northwestern University, Evanston, Illinois, 1930s. Such a device uses a combination of measurements including blood pressure, heart rate, and sweat production, to measure a subject's stress response to questions and answers. (Photo by Pictorial Parade/Getty Images)


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