A self-balancing scooter or self-balancing two-wheeled board, commonly referred to as a "hoverboard", is a type of portable, rechargeable battery-powered scooter.
They typically consist of two wheels arranged side-by-side, with two small platforms between the wheels, on which the rider stands. The device is controlled by the rider's feet, standing on the built-in gyroscopic, sensored pads.
In 2014, several self-balance scooter devices (hoverboards) appeared in China, and by 2015, they became widely popular in the United States, following numerous celebrity appearances with the device. There is no universally accepted name for the device, as its various product names are attributable to the companies which distribute them and not their manufacturers.
A hoverboard (or hover board) is a fictional levitating board used for personal transportation, first described by author M. K. Joseph in 1967 and popularized by the Back to the Future film franchise.
Hoverboards are generally depicted as resembling a skateboard without wheels. During the 1990s there were rumors, fueled by director Robert Zemeckis, that hoverboards were in fact real, but not marketed because they were deemed too dangerous by parents' groups.
These rumors have been conclusively debunked. The hoverboard concept has been used by many authors in various forms of media.