Mind-controlled drones have raced into the future at the University of Florida.
They have pushed the edge of possibilities with brain-wave technology.
For over a century, science has detected brain waves.
Recent advances in less expensive brain-wave reading equipment, however, has moved the technoloy out of the lab.
It has infused the imagination of scientists who want to explore how people can use it more every day.
The popularity, though, comes with privacy concerns.