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U.S. Navy invents a covert e-reader for sailors

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The U.S. Navy has invented and released a low-tech e-reader, reports BBC News. Dubbed the Navy eReader Device, or NeRD, the lightweight tablet doesn't have Wi-Fi or data capabilities, so enemies can't hack into the devices or discover a sailor's whereabouts via GPS.

Popular e-readers like Amazon's Kindle aren't allowed aboard Navy ships because they're loaded with Wi-Fi and GPS functions that can transmit their location. Unfortunately, that means sailors can't download new books to their NeRDs, and must choose from 300 titles ranging from classics to best-sellers that come pre-loaded. The Navy has assembled roughly 400 e-readers so far.

The devices, which are free for sailors, are currently only available on submarines, but there are plans to expand the program fleet-wide.