Draws on ground-breaking brain research to assess the potential of thought-controlled machines, which may enable significant technological advances in areas ranging from health care and manufacturing to global communication and space exploration.

What is thinking? -- Brainstorm chasers -- The simulated body -- Listening to the cerebral symphony -- How rats escape from cats -- Freeing aurora's brain -- Self control -- A mind's voyage around the real world -- The man whose body was a plane -- Shaping and sharing minds -- The monster hidden in the brain -- Computing with a relativistic brain -- Back to the stars.