Space weather could cripple electric grid

This 19 August, 2004 NASA Solar and Heliospheric Administration image shows a solar flare(R) erupting from giant sunspot 649. (HO/AFP/Getty Images) magnetosphere, they triggered a fierce geomagnetic storm that lit up the sky and frazzled communication wires around the world. Telegraphs in Philadelphia were spitting out "fantastical and unreadable messages," one paper reported, with some ... see more...

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