Most of us still don’t have solar panels or an intimate relationship with batteries any larger than those that power our phones. Our grid, the part of it we know and interact with, looks like the cords, plugs, outlets, and switches that link our portable electronics to the wall. This, too, might be thought of as the grid edge, since the moment that we unplug electric power from the big grid and carry it around in our pockets is literally where the grid disaggregates, becoming something different and new. The charger is the final cord, the one we know best, and the smallest dendrite in a world
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