29-11-10 EMP:Like a Star Trek photon torpedo only real

" An electromagnetic pulse (EMP) attack represents one of the greatest threats imaginable--to the United States and the world.An EMP occurs when a nuclear device is detonated high in the atmosphere--a phenomenon of which America's enemies are well aware.The electromagnetic discharge can permanently disable the electrical systems that run nearly all civilian and military infrastructures.A massive EMP attack on the United States would produce almost unimaginable devastation.Communications would collapse,transportation would halt,and electrical power would simply be non-existent.Not even a global humanitarian effort would be enough to keep hundreds of millions of Americans from death by starvation,exposure,or lack of medicine.Nor would the catastrophe stop at U.S. borders.Most of Canada would be devastated,too,as its infrastructure is integrated with the U.S. power grid.Without the American economic engine,the world economy would quickly collapse.Much of the world's intellectual brain power (half of it is in the United States) would be lost as well.Earth would most likely recede into the "new" Dark Ages..."