laser

NEWS: The Pentagon Has a Laser That Can Identify People From a Distance — By Their Heartbeat

NEWS: The Pentagon Has a Laser That Can Identify People From a Distance — By Their Heartbeat

Everyone’s heart is different. Like the iris or fingerprint, our unique cardiac signature can be used as a way to tell us apart. Crucially, it can be done from a distance. A new device, developed for the Pentagon after US Special Forces requested it, can identify people without seeing their face: instead it detects their unique cardiac signature with an infrared laser.