Nicole says: It’s a lie detector – or, more accurately, a galvanic skin response sensor – made out of Legos, aluminum foil and velcro. What more need be said?
“I found this link through a post about ‘Demonstrations of Implicit Knowledge’ from Colorado’s Cognitive Science comunity on LiveJournal (full disclosure: I am an employee of Six Apart, Ltd., and work on LiveJournal).”
(Some other cool demos)