Will we be able to jack into the brain and upload helicopter instructions, like in The Matrix? We already have the technology to control a prosthetic arm or Twitter with thoughts alone. Dishes of neurons can control a robot. And scientists have created a working artificial memory chip in rats.

Will we be able to jack into the brain and upload helicopter instructions, like in The Matrix? We already have the technology to control a prosthetic arm or Twitter with thoughts alone. Dishes of neurons can control a robot. And scientists have created a working artificial memory chip in rats.