The plastic headband, which costs around $100, has a sensor that presses against the user’s forehead and communicates with a free XWave iPhone application that then shows your brain waves graphically on the iPhone screen. As you focus your mind on a task the graphics are changed — a ball may move higher for instance, or your state of relaxation may be indicated by changes in a pulsating color, which moves towards blue as you become more relaxed.
Well, I know what I want to ask for next Christmas.
Video at the link.
I wonder how far you can take this technology - placing thousands of sensors in the right places? The Air Force must surely have some idea. I wonder how much of that is not classified?
...that's another technology that will show exponential growth. There will probably be a Moore's Law for Brain-Computer I/O interface efficiency. Unless it can be shown to be impossible beyond a certain limited level, which I don't think is likely.
Yesterday, I dnldd "Inception", the movie. It sucked of course, by me, but it had the same hazy meme theme.