A man who has spent the last eight years of his life paralyzed from the shoulder down has been able to use his arm to feed himself again — thanks to an experimental technology seemingly ripped out of the pages of the latest Marvel comic.

Nearly three years ago, a team of researchers at the Case Western Reserve University in Ohio recruited 56-year-old Bill Kochevar, who suffered a severe spinal cord injury while cycling, to test out a “neuro-prosthesis” that would partially restore the connection between his brain and muscles.