When Americans think about the threat from foreign missiles, it’s nearly always the catastrophic effect of a conventional nuclear blast that comes to mind. We think of the doomsday scenarios that have played out in so many movies and TV shows: a nuke explodes over a large city — leveling buildings, crushing houses and creating a swath of destruction.
But that’s not the only threat that can come from a missile fired from a rogue nation, or one that has fallen into the hands of terrorists. We could also fall victim to the devastating effects of an electromagnetic pulse. With an EMP, almost everything powered by electricity would be effectively wiped out — not physically, but practically. They would simply cease to work.