Sure you can do neat things like unlock your iPhone using facial recognition, but the Air Force has far grander visions for the tech. Specifically it wants a camera that can identify and track possible insurgents at a significant distance (though it's unclear how far we're talking about here) using only a few seconds of footage. It's turned to Photon-X Inc. to develop a sensor that combines spacial measurements, infrared and visible light to create a "bio-signature" that maps not only st
