The notion of a flying car has been around for at least 50 years and we have yet to see one that works. Most often they have looked like the worst of both worlds: a car too clunky to maneuver and an airplane that looked half-baked.
There is a reason for that. Neither technology—of the car or of the airplane—was itself changing. Working within the limitations of conventional technology, designers encountered a set of immutable physical laws. Cars were firmly terrestrial, and airplanes were firmly of the sky.
That is no longer true.
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