There is talk of catastrophe ahead, depending on whom you believe, because of the threat of an electromagnetic pulse triggered by either a supersized solar storm or terrorist A-bomb, both capable of disabling the electric grid that powers modern life.
Electromagnetic pulses (EMP) are oversized outbursts of atmospheric electricity. Whether powered by geomagnetic storms or by nuclear blasts, their resultant intense magnetic fields can induce ground currents strong enough to burn out power lines and electrical equipment across state lines.
The threat has even become political fodder, drawing warnings from former House speaker Newt Gingrich, a likely presidential contender.
'We are not today hardened against this,' he told a Heritage Foundation audience last year. 'It is an enormous catastrophic threat.'"
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