What do future presidents need to know about existential dangers this country could face? Explorer investigates the science behind the dangers of a high-altitude electromagnetic pulse, or HEMP. Picture an instantaneous deathblow to the vital engines that power our society, delivered by a nuclear weapon designed not to kill humans but to attack electronics. What could happen if an electromagnetic pulse surged to earth, crippling every aspect of modern society's infrastructure?
Read more: http://channel.nationalgeographic.com/series/explorer/4821/Overview#ixzz0quMKAyej
That should be a really good one. Thanks for the reminder.