Hurricane Irene hit the East Coast and left more than 6 million homes and businesses without power. Transportation services were disrupted as a result of the hurricane. More than a million people got an idea of what it would be like if the United States were attacked by an electromagnetic pulse (EMP) weapon. An EMP would cause current and voltage surges and burn out the semi-conductor chips of all electronic devices within the line of sight. An EMP is a high-intensity burst of electromagnetic energy caused by the rapid acceleration of charged particles caused by nuclear weapons, non-nuclear weapons (radio-frequency weapons), or geomagnetic storms (often called space weather).
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