kathy huhinson who wasn't abl to move or speak becausof a stroke, was the first person to use braingate to control an external robotic arm and hand. is leap rward wi change the lives of countless people. but there's a big problem. the electronics required to amplify and translate these brainwaves are the size of a washing machine. how will technology like this integrate into the body to create a self-contained cyborg? john has the beginnings of a solution. - this wafer, which is something like four by eight millimeters, it has 1000 electrodes on it. now what's even cooler, that little square is equivalent to 10 of these things, all on a chip. what do we need to do to implant this into human? we he to figure that out. then we have to ask users, "what do you want?" if it has to be something sticking up like a box on your head, actually, i worry that you would say that's cool. (both laugh) - you know me so well! - but most people wouldn't want to do that. - [angel] even though chips like these are small, they'd still need to connect to external computers with a tangle of wires. - given tha