Make an Electronic Lie Detector (part of a polygraph) @sciencetoymaker
Make an Electronic Lie Detector (part of a polygraph) @sciencetoymaker
Uploaded February 2013 | Updated September 2026, 4 days ago
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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
goo.gl/JFTGry
To see an excellent video that shows how polygraphs work and the controversy over them:
goo.gl/7UITxt
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Make an Electronic "Lie Detector" (part of a polygraph)

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