From the NYTimes:

Already surrounded by machines that allow him, painstakingly, to communicate, the physicist Stephen Hawking last summer donned what looked like a rakish black headband that held a feather-light device the size of a small matchbox.

Called the iBrain, this simple-looking contraption is part of an experiment that aims to allow Dr. Hawking -- long paralyzed by amyotrophic lateral sclerosis, or Lou Gehrig's disease -- to communicate by merely thinking.

Crazy.
The future is now.