US Air Force is guarding against electromagnetic pulse attacks. Should we worry?
YES!!!
BECAUSE .......
The quickest and most effective way to produce a powerful electro-magnetic pulse is to detonate an A-bomb over the area you wish to affect.
I have always been happy I live about a mile from
I prefer to worry about things i might actually have some control over....
As long as critical systems are accessible through an ordinary internet connection all it needs is for someone with a grudge and a bit of luck and the lights go off.