A lie detector that is smaller than a cell phone handset has hit the market. Produced by a local venture firm, 911 Computer Co., the polygraph machine can reportedly judge truth by the emotion expressed in a person's voice.
A lie detector that is smaller than a cell phone handset has hit the market. Produced by a local venture firm, 911 Computer Co., the polygraph machine can reportedly judge truth by the emotion expressed in a person's voice.