"Warning: invisible markings." A sign on a phone cable pole, to deter copper thieves.
Photo credit: Sean Gallup/Getty Images
Journalists watch as a quadrocopter drone fitted with a device for marking telephone cables with artifical DNA takes off.
Close-up of the quadrocopter used to mark phone cables.
The quadrocopter about to mark phone cable on a pole with artificial DNA, to prevent theft. The DNA penetrates the cable and remains detectable even if it is burnt.
The head of forensic specialists ATG GmbH Sitec, Sascha Fuchs (left) and Thorsten Kanand of AirRotorMedia, show the quadrocopter rig used for marking phone cables with artificial DNA.
"Warning: invisible markings." A sign on a phone cable pole, to deter copper thieves.
Photo credit: Sean Gallup/Getty Images