Re: Mine detectors
"Just give them a coin to flip, same chances of finding mines / bombs / terrorists"
Nahh too hi tech. How about fingers in ears, extend right leg, tap ground in front with big toe and describe a small arc. Rest right leg, advance one pace, extend left leg etc.
Back in the day we did mine detection with a copper coated bayonet probing at an angle of 45 degrees. my how we laughed.
I can see us all being asked to visit the vet to have our chips fitted for this system.