Seven years after Tim Hemmes was involved in a motorcycle accident that left him unable to move his limbs, he was invited to participate in a University of Pittsburgh research project aimed at decoding the link between thought and movement. Hemmes enthusiastically agreed and last year made history by operating a robotic arm only with his thoughts.
This video shows Hemmes reach up to touch hands with his girlfriend in a painstaking and tender high-five and explains more about this revolutionary technology.
The Brain-computer interface was recognised in the Popular Mechanics 2012 Breakthrough Awards – an annual competition where we salute the greatest innovations. Get your hands on PM’s Dec ’12 issue – on sale on 19 November – to find out about the best bold ideas of 2012.