Lie detector tests get a bad rep, perhaps because they’re unwieldy, not that accurate, and the province of “Jerry Springer” and “Maury Povich”-type talk shows. But British researchers have been working on a new type of polygraph lie detector, one that could be used more consistently for security and law enforcement purposes. It’s a video camera that uses thermal imaging and algorithms to determine if a person is lying. The camera looks for unconscious ticks like dilated pupils, biting of lips, heavy breathing, wrinkling of noses, and shifty eye movements. It can even sense super subtle things like the swelling of blood vessels. Meaning there’s no need to hook anyone up to it. Keep reading »
