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Why we still can't upload our brains to the cloud

As long as people have been alive, they've wanted to stay alive. But unlike finding the fountain of youth or becoming a vampire, uploading your brain to a computer might actually be possible. Theoretically, we already know how to do it. Technically, we have a long way to go. We explain the main technological advancements that we'll need to make whole brain emulation a reality.

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