At the summer i have many times to build gadgets, and when I find this easy circuit on the internet i decided to make my own and show you how to build a lie detector. First of all I am 15 now and now learn english in the school so sorry for bad my bad english. When you put your fingers on the touchp...By: imitomi
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from Instructables: exploring - technology - robots http://ift.tt/1tsERtj
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