Bladerunner lie detector invented...

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New Scientists reports on the development of a lie detector that works by tracking blood flow through the blood vessels in your face. The system is being developed by (natch) the Us Department of Defense.

\< ![if !vml]> Alt Box Gif Holden\< ![endif]>As I relax into the chair, the questioning begins. An automated voice instructs me to answer a series of questions with a simple yes or no. "Is your name Susan?" Yes. "Do you understand that I will not ask any trick questions on this test?" Yes. "Did you stab that woman downstairs this afternoon?" No.

[via]{style="font-style:italic"} [Boing Boing]