Passive Polygraph Takes Lie Detection into 21st Century Posted on 09/21/2017 by Cobiz A ‘passive polygraph,’ developed by SilvertLogic Labs in Seattle, Washington, is a high-tech version of the lie-detector test. Faith Lapidus explains how it works. … Click to share on Telegram (Opens in new window)Click to share on WhatsApp (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on X (Opens in new window)