To me this is an indication of how far behind energy storage technology is. | Hacker News

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e0m on April 21, 2016 | parent | context | favorite | on: Arduino in the size of a AA battery

To me this is an indication of how far behind energy storage technology is.

TeMPOraL on April 21, 2016 [–]

Well, that depends if you put that board facing the front or the back of your battery holder... ;).

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