How Close Are We to Building a Full-Fledged Cyborg?

The dream of the cyborg is coming true at an exhilarating rate. As humans gets better and better at making machines, we keep attaching those machines to our bodies to make ourselves better humans. It seems at times that the only question left is if we can put a human brain in a robotic frame. Actually, it's not a… » 10/21/13 3:00pm 10/21/13 3:00pm