Real-life Jedi: Pushing the limits of mind control

The inner workings of the brain can now be read using low cost hardware

You don’t have to be a Jedi to make things move with your mind.

Granted, we may not be able to lift a spaceship out of a swamp like Yoda does in The Empire Strikes Back, but it is possible to steer a model car, drive a wheelchair and control a robotic exoskeleton with just your thoughts.

"The first thing is to clear your mind…to think of nothing," says Ed Jellard; a young man with the quirky title of senior inventor.

We are standing in a testing room at IBM’s Emerging Technologies lab in Winchester, England.

On my head is a strange headset that looks like a black plastic squid. Its 14 tendrils, each capped with a moistened electrode, are supposed to detect specific brain signals.

In front of us is a computer screen, displaying an image of a floating cube.

As I think about pushing it, the cube responds by drifting into the distance.

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