Lies are part of human life! People often tell lies to deceive others. many of us have heard about â€œlie detector â€œ,some where seen in movies or read it in fiction stories. Does anything of this sort really exist? If yes, does it really detect lies? Yes it does. The first thing that comes to our mind is how an instrument with some electronic components can read out our mind. Though science and technology are growing at the speed of light, has it reached a stage where it can read mind? Not exactly! But it can approach to that stage by monitoring the physiological reaction by plotting graphs.
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