My science-fiction brain is, of course, interested in this as a method to defeat face-detection in a way humans can't see. I'd like to think that the crew of th

My science-fiction brain is, of course, interested in this as a method to defeat face-detection in a way humans can't see. I'd like to think that the crew of the Firefly used this technology to avoid detection when they did jobs in the heart of Alliance territory.