A solar storm like the one that caused a nine-hour blackout across Quebec in 1989 could have even more dramatic effects if it struck the eastern United States today. Now, scientists have developed new tools to detect these storms before they strike by mapping the hidden electrical structure beneath our feet, revealing how the ground itself could influence the impact on our power grid.

A solar storm like the one that caused a nine-hour blackout across Quebec in 1989 could have even more dramatic effects if it struck the eastern United States today. Now, scientists have developed new tools to detect these storms before they strike by mapping the hidden electrical structure beneath our feet, revealing how the ground itself could influence the impact on our power grid.

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