“Armored Humvees must protect our troops from IEDs and small arms fire. See how laminated armored glass works to defeat the 7.62×39 round from an AKM.”
That dude would either make the best, or worst physics teacher ever. No grey area; his students would either learn a lot and go on to be great at physics or learn a lot and get blowed up. By doing something like shooting bombs to demonstrate detonation physics.