The concept of the flying car is one of those iconic sci-fi notions that's endured for decades. There's a kind of retro-future vibe to the idea, conjuring mental images of space-age transport and 1950s Tomorrowland pavilions.
But actually, depending on how you define your terms, the flying car is already here -- and has been for a few years now. Here we take a look at some contemporary riffs on the flying car concept, with vehicles in various stages of development. Some are no more than concept designs at this point, but others are already on the streets and in the clouds.