Computer-Brain Interfaces Already Exist

This technology might be helping us. But it could also destroy us.

Last week, scientists announced that the first wireless brain-computer interface was allowing paralyzed users to type and click on a tablet using only their minds. Two men with spinal-cord paralysis represented the first human trials of this wireless interface.

Does this sound far-fetched to you? It’s not. Experts and researchers have been talking about …

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