Batteries: The Absolute Definitive Guide

Nobody thinks about batteries—until they've run out of juice, of course. But this humble and surprisingly ancient technology has done far more for human civilization than most people realize. More »

Source: http://feeds.gawker.com/~r/gizmodo/full/~3/LxFXI6e4yoc/everything-you-need-to-know-about-batteries

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