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How To Make a Homemade Lie Detector

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Here's how to make a fun, cheap lie detector that really works! Find out if your friend or spouse is lying. Great for parties!
Added February 13, 2008

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works good

Reply 9 months ago by sakul

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Great video. Thanks.

Reply 8 months ago by nimprojects

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should I use 1/4 or 1/2 watt resistors? I used 1/4 watt and it won't work. any help?

Reply 2 days ago by pkar

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