Now Playing: How to make a brain machine interface with a smartphone?
Now Playing; Why is brain cancer so prevalent in our lifetimes?
Now Play: A new type of brain prosthetic could help people with ALS recover more quickly Now Playing.
Now Playing How to Make a Brain Machine Interface with a Phone?
Now It’s Not Just Your Brain That Could Be Hacked Now Playing.; How to Find Your Next Health Trainer Now Playing A New Brain-Machine Interface With a Phone Now Playing