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Published on Feb 21, 2013
Follow us on Facebook https://goo.gl/3R1SwJ Google+ https://goo.gl/igYDtw This is an instructional video about making a "lie detector" project, created for my students. It is related to a polygraph in that it does measure how much you sweat by measuring your conductivity. For details on where to buy the components in bulk, go here https://goo.gl/JFTGry To see an excellent video that shows how polygraphs work and the controversy over them: https://goo.gl/7UITxt