By Andrew Liszewski

The biggest advantage to e-ink display technology is its incredible battery life. It means your Kindle can flip through book after book before needing a charge, and it allows this …

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Source: http://feeds.gawker.com/~r/gizmodo/full/~3/ym5Q36dYKWQ/a-giant-e-ink-digital-clock-powered-by-a-tiny-watch-bat-1496476462