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Imagine being able to make a machine do your bidding with your thoughts alone, no button pressing, typing, screen tapping or fumbling with remote controls, just brain power. Well, this sci-fi scenario could be closer to reality than you think.

Bill Kochevar’s life was changed, seemingly irrevocably, when he was paralysed from the shoulders down following a cycling accident nearly a decade ago.

His future looked bleak.

But last year he was fitted with a brain-computer interface, or BCI, that enabled him to move his arm and hand for the first time in eight years.