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Scientists spent nearly twenty years building a map of America that most people never knew existed. Not a map of roads or rivers, but a map of the electricity hidden inside the ground itself. And what it reveals is unsettling: when the next big solar storm hits Earth, this map may decide which parts of America go dark, and which don't. ---------------------------------------------------------------------------------------- ---------------------------------------------------------------------------------------- Our Social Media: ---------------------------------------------------------------------------------------- ---------------------------------------------------------------------------------------- This video is made for entertainment purposes. We do not make any warranties about the completeness, safety and reliability. Any action you take upon the information in this video is strictly at your own risk, and we will not be liable for any damages or losses. It is the viewer's responsibility to use judgement, care and precaution if you plan to replicate.