Mobile electronics technology might be a game-changing thing for modern culture—after all, it’s turned vast portions of the population into people who mutter seemingly to themselves on street corners and any other locations, else walk zombie-like through the world immersed in their own portable media universe. Hurray for progress! But all those mobile gizmos and media players suffer from a few drawbacks: first, they aren’t necessarily the easiest devices to use while you’re driving, working, carrying groceries, or running errands. Second, they have an annoying tendency to run out of juice just when you need them most. How many times have your friends and colleagues complained they missed out on something important because their cell phone battery died?
