This water battery can power 900,000 homes and took 14 years to build.
Learn more about batteries: http://ow.ly/fsrF50K9C8L
Could a silo full of sand help solve one of our greatest renewable energy challenges?
Learn more about renewable energy solutions: http://ow.ly/UsUX50K9uXm
You can bury this battery once you’ve finished with it.
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And it even comes with a kickstand to rest your device.