How to build a lie detector for under $20
November 29, 2007 by Geeks are Sexy | 4 commentsHere’s a short video tutorial that will teach you how to make a cheap lie detector for under $20. Can anyone here confirm if “commercial” lie detectors also work that way?
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I can’t verify if commercial lie detectors are similar, but wow, that’s an awesome vid. I’m saving that for later… experimentation.
good one!(no lie) i think i will build one.(no lie) i’ll get back to you on that (sound quality changes)…..
jon
nice vdo , human creativity is unlimited
Nice one!
so how to know if that person is lying?
the sound pitch will get lower or higher?
i’m a little confused.