The same gyro technology that makes the Segway run is being used for less geeky purposes: Wheelchairs that balance on two wheels (raising the user to a higher level) and can climb stairs.
Editorial note: Whoa! You've found a super-old post here on BuzzFeed, from an earlier era of the site. It doesn't really represent where we are anymore, and may in fact be totally broken, but we're leaving it up as a part of our early history.