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The polygraph, otherwise known as a lie detector, is a device that can tell whether or not someone is lying. It also detects their heart rate, breathing and skin temperature to see if it looks like they may be lying. The പോളിഗ്രാഫ് ഉപകരണം is not infallible but has been employed for many decades in various forms by law enforcement.
Cole had long since decided that there must be a better lie detector — one without any human possible subjective mistake. For decades, it has long been used to assist the police and government agencies and even certain business enterprises in important decisions.

Of course, not everyone actually believe പോളിഗ്രാഫ് ഉപകരണം hold up in a court of law. While polygraphs are part of some police investigations, court cases generally do not allow the results of those tests because they can be inaccurate. These claims created a lot of skepticism in the scientific community about whether such devices could really detect lies.

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There are all sorts of stories like this about beating the polygraph yet for the most part these just plain false. Simply because someone wants the machine to give an accurate result does not convince and fool it into thinking the effort is authentic if they just focus on acting cool and calm during the test. However, പോളിഗ്രാഫ് ഉപകരണം are trained to spot deception and this includes more than just monitoring physical responses. As such, while one can consider they know the way to beat a polygraph check, it remains not so simple.