CNN CNN Newsroom December 25, 2013 19:39:00
A question. in this particular case the question was what can i learn about someone from a single hair. >> reporter: she takes it to the lab to mine it for dna and then analyze the results. >> from a cigarette butt i can learn where someone's ancestors likely came from, their gender, eye color, hair color, complexion. >> reporter: that information is then fed into a computer program that generates a 3-d model of a face. >> the way i'm using code here is a lot like how a sketch artist would use a pencil. >> reporter: it takes about three hours to print. then the excess powder is removed to reve...
Source: archive.org