What would you do if all the lights went out and they never came back on? That is a question that the new NBC series "Revolution" asks, but most people have no idea that a similar thing could happen in real life at any moment. A single gigantic electromagnetic pulse over the central United States could potentially fry most of the electronics from coast to coast if it was powerful enough.
This could occur in a couple of different ways. If a powerful nuclear weapon was exploded at a high enough altitude, it could produce an electromagnetic pulse powerful enough to knock out electronics all over the country. Alternatively, a massive solar storm could potentially cause a similar phenomenon to happen just about anywhere on the planet without much warning.
Of course not all EMP events are created equal. An electromagnetic pulse can range from a minor inconvenience to a civilization-killing event. It just depends on how powerful it is. But in the worst case scenario, we could be facing a situation where our electrical grids have been fried, there is no heat for our homes, our computers don't work, the Internet does not work, our cell phones do not work, there are no more banking records, nobody can use credit cards anymore, hospitals are unable to function, nobody can pump gas, and supermarkets cannot operate because there is no power and no refrigeration. Basically, we would witness the complete and total collapse of the economy.