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A researcher at Arizona State University has discovered how to control multiple robotic drones using the human brain.

A controller wears a skull cap outfitted with 128 electrodes wired to a computer. The device records electrical brain activity. If the controller moves a hand or thinks of something, certain areas light up.

"I can see that activity from outside," said Panagiotis Artemiadis (pictured above), director of the Human-Oriented Robotics and Control Lab and an assistant professor of mechanical and aerospace engineering in the School for Engineering of Matter, Transport and Energy in the Ira A. Fulton Schools of Engineering. "Our goal is to decode that activity to control variables for the robots."

If the user is thinking about decreasing cohesion between the drones -- spreading them out, in other words -- "we know what part of the brain controls that thought," Artemiadis said.

Imagine the military applications of that. To read more, click here.