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The polygraph detects lies in the face

September 21 2011
16:34

British scientists have distinguished the new invention. As the "Rosbalt" , they perfected the lie detector. They created the device can determine the truth in the face of man.

As the "Bi-bi-si" , the device consists of a video camera and thermal sensors. Coming from the data that they analyze a special computer program. From the change in facial expression, it reveals the lie. First of all, lying is determined by the movement of the eyes.

In addition, special heat sensors measure the intensity of the blood, flush, which may also be evidence of an increased agitation or attempt to hide information. The invention is already interested in the security of the largest airports in the UK.

The accuracy of the polygraph is currently 70 percent. Scientists hope to increase this level to 90 percent.

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