Inventor Dean Kamen presents the «Segway Human Transporter» in New York, United States on December 03, 2001.

UNITED STATES — DECEMBER 03: Inventor Dean Kamen presents the «Segway Human Transporter» in New York, United States on December 03, 2001 — The Segway is the first self-balancing electric powered transportation machine — The Segway will be introduced for commercial use in 2002, and for consumers at the end of that year — The Segway, better known by its former code name, Ginger, can go up to 12 miles an hour and has no brakes — It’s speed and direction are controlled solely by the rider’s shifting weight and a manual turning mechanism on one of the handle bars. (Photo by David LEFRANC/Gamma-Rapho via Getty Images)