Sanya, China
Segway in Hainan Island
When Dean Kamen unveiled the SegwayPersonal Transporter (PT) on ABC's Good Morning America, he described the machine as "the world's first self-balancing human transporter." When you look at the machine in motion, you get an idea of what he's talking about. Unlike a car, the Segway PT only has two wheels, yet it manages to stay upright by itself.
To move forward or backward on the Segway PT, the rider just leans slightly forward or backw...