The Segway experience was so interesting and exciting for me that I can't yet forget the control feeling. What makes this lawn mower like vehicle innovative is that it is mainly controlled by a computer and all the riders have to do is leaning to their heading. Sure, there are lots of computer assisted vehicles such as airplanes, trains, cars and so on, but they are all controlled mainly by human and primitive physical law and computers only work as assistants; the so called hi-tech airplanes actually can be flown without pilots, but they are indispensable as a back-up and the person in charge, and some ways are always left in which they can fly them without computers. As far as I know, all the vehicles can be controlled by human at least at the last moment in case of emergency. Only the exception is state-of-the-art jet fighters which have swing wings and cannot fly without computer controls. As I mentioned before, I hope someday Segway can run on the public roads in Japan, but I think it's natural that Japan's government is prudent to permit it because no one can assure that it is always safe. Computers and software are not so reliable that we can't commit ourselves to this vehicle.

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