Have you ever been in that tricky situation any spy must face? You know how it goes (you mean you don't?); caught as the impostor you are, sitting in a darkened room with a huge armed guard by your side, wired up to a polygraph. These ingenious machines monitor various aspects of your condition, such as skin resistance (sweat), blood pressure and heart rate. Their reliability is widely disputed, with some people claiming they are accurate 95% of the time, whilst others report a mere 60% (see wiki article
for more info. However, there is now A WAY OUT OF THESE SITUATIONS! *. With this instructable you will find out how to beat the machines for sure and get back to the CIA/FBI/MI6 etc. in no time!!
*This is not necessarily true