When you’re talking true nightvision vs. thermal, which is more effective vs. zombies? Will walking corpses maintain heat signature substantially different than their surroundings, and if so will it be sufficient to identify them in a fight? These are the questions that keep me up late at night…that and wondering where Carl is.  This video is US Night Vision Gen III Night Vision & Thermal Imaging Video Shot In HD On iPhone 4S. PVS-14 / PVS-7 Camera Systems. Follow ’em on Facebook.

Oh, and yes, I am using an old term. When I was a boot, any sort of night vision/thermal device was referred to as a NOD (Night Optical Device).