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Northern Lights May Increasingly Interfere With GPS

GPS units are not infallible. Stories abound of users blindly following poor GPS directions (based on improperly developed maps) onto train tracks, off marked roads, and even into a nasty part of town. Now, there's a brand new problem: interference from the Northern Lights, or Aurora Borealis, the natural lightshow seen near the Earth's poles when high-speed particles from the Sun hit the ...