Flying car

A flying car or roadable aircraft is a type of vehicle which can function both as a road vehicle and as an aircraft. The term "flying car" includes motor vehicles that are classified as motorcycles when operated on public roads ("flying motorcycles"). It is also sometimes used to include hovercars and/or personal air vehicles. Since the early 20th century, many prototypes have been built, employing a variety of flight technologies. Most have been designed to take off and land conventionally using a runway. Although vertical take-off and landing (VTOL) projects are increasing, none has yet been produced in significant quantities. Their appearance is often predicted by futurologists, and many concept designs have been promoted. Their failure to become a practical reality has led to the catchphrase "Where's my flying car?", as a paradigm for the failure of predicted technologies to appear. Flying cars are also a popular theme in fantasy and science fiction stories.