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. While it works at 200 meters (219 yards), longer distances could be possible with a better laser. “I don’t want to say you could do it from space,” says Steward Remaly, of the Pentagon’s Combating Terrorism Technical Support Office, “but longer ranges should be possible.”... In the longer run, this technology could find many more uses, its developers believe... more
Like eavesdropping?
(Spoiler Alert: Israeli scientists did this in 2009, and then improved it in 2014.) ~Kevin
