National Treasure: The History of the Lie Detector

Have you ever wondered whether lie detectors actually...work? Join us as we delve into the history and science behind these devices - from how they measure "deception" to the controversies surrounding their use. This video is the first episode of the National Treasure series, where we share behind-the-scenes stories of objects in the Smithsonian Collections. --------- To learn more about the exhibition "Forensic Science on Trial" at Smithsonian's National Museum of American History, read below: What a 100-Year-Old Lie Detector and 150-Year-Old Arsenic Tests Tell Us About Forensic Science Today https://www.smithsonianmag.com/smithsonian-institution/what-a-100-year-old-lie-detector-and-150-year-old-arsenic-tests-tell-us-about-forensic-science-today-180984623/ Forensic Science on Trial https://americanhistory.si.edu/explore/exhibitions/forensic-science-trial Digital Editorial Director: Brian Wolly Supervising Producer & Scriptwriter: Michelle Mehrtens Producer: Nicki Marko Producer & Editor: Sierra Theobald Motion Designer: Ricardo Jaimes Original Footage: Cade Martin (06:20)