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The world’s first sand battery

 

For years, scientists have been trying to solve the problem of year-round heating. Now, an experiment is underway in Finland to see if an innovative piece of new technology can keep Finns warm during the long, cold winters. 

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The world’s first sand battery

For years, scientists have been trying to solve the problem of year-round heating. Now, an experiment is underway in Finland to see if an innovative piece of new technology can keep Finns warm during the long, cold winters. 

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