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Could You Upload Your Brain?

ByGreg KestinThe Nature of RealityThe Nature of Reality
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What would it take to make a copy of your brain?

With the days of blurry mimeographs behind us and the technology to make copies spreading into 3D- and cyberspace, the possibilities might seem almost limitless. But are they?

Physics itself—not technology, not human ingenuity—forbids perfect cloning, which might throw a kink in your plan to upload your brain.