very interesting article. It's good to look at the brain from a scientific, hardware/software perspective. I think it's also important for us to observe our thought process to improve, as some call become more aware.
I believe his method has a ton of potential. First saw Khan on This Week in Startups: http://thisweekin.com/thisweekin-startups/this-week-in-start... and was impressed to learn that Bill Gates invited him to talk. I think his method works for many people and could change the way many people learn.