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Can you power a city using just batteries?
With remarkable ingenuity, technicians have used physical forces and states to store energy for later release
Published Sun, Jun 4, 2017 · 09:50 PM
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New York
WHAT if you need a battery? A really big one - big enough to run a city?
It's a question that inventors have been tackling for decades. No one wants the fridge, or the hospital, going on the blink when demand surges or the power plant needs repairs.
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