A simple mesh of conducting wire buried near the surface layer will form a pseudo Faraday cage, and if you include a path to ground in the extremities, it would be more than enough to ground out any EMP producesble at the civilian Walmart/Home Depot level of output.
A simple mesh of conducting wire buried near the surface layer will form a pseudo Faraday cage, and if you include a path to ground in the extremities, it would be more than enough to ground out any EMP producesble at the civilian Walmart/Home Depot level of output.