The Electromagnetic Pulse: What You Need to Know

http://www.offthegridnews.com/2011/11/28/the-electromagnetic-pulse-what-you-need-to-know/

An electromagnetic pulse is a massive atmospherically-conducted current of electricity that in certain circumstances would be capable of destroying every electrical power system, as well as every electric or electronic device or appliance, within range of its point of origin. The magnitude of the current involved, which is created by the interaction between masses of charged particles descending from above and our planet’s natural magnetic field, would be so significant that it would overwhelm any systems or circuits that draw or transmit electricity, literally blowing them out or frying them from the inside. EMPs originate in the upper atmosphere, and they can strike suddenly, silently, and without warning.

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