Here's five inventions that will be available some day ... even if nobody wants them.

Remember all those Star Trek gadgets you wished you had because they looked so cool? Well, it turns out looking cool is about all they'd be good for.

5 Flying Cars

As seen in:

Blade Runner, The Fifth Element, Back to the Future II, Futurama, The Jetsons ... it's actually kind of difficult to list sci-fi that doesn't feature some variation of the flying car.

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Why we thought we wanted them:

First, we don't mean some kind of sissy half-plane, half-car hybrid that some people will try to tell you is a flying car. No, we mean real, float off the ground, how the crap is that happening, Jetsons sort of flying cars. Admit it, when you were 7 years old, there were only two things you were sure of: Transformers fucking rule, and the future would be full of flying goddamn cars.

Of course, once you learned to drive you wanted one even more. Every time you're stuck in traffic, you can picture yourself flipping a switch and swooping into the sky, leaving those honking bastards behind. You'd fly straight to work, free as a bird.

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Why we were wrong:

Well, guess what: They're not gonna let you do that. People just flying wherever the fuck they want would be a death warrant for every radio tower and power line in the country.

No, you'd have to fly according to a wussified autopilot, along pre-set pathways. Air-roads, in other words. And, once everybody has a flying car ... well, have you ever been driving to work in a city at around, oh, eight or nine in the morning? If so, you'll know exactly how bad traffic can get during rush hour. Now, imagine if there was not just one layer of cars, but there was layer after layer of flying metal death traps over top and below you.

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That's not even the worst part. The many people who have tried to invent flying cars over are finding out that every single thing that's bad with cars (cost, safety, etc) is made worse when you try to make the thing fly.

For instance, no matter what kind of engine they invent, a flying car will always burn more fuel than a regular car, especially on short trips (you burn a bunch of gas trying to overcome that gravity thing on takeoff).

Even worse, even a minor crash with another flying car could send both vehicles plummeting to the ground while you scream in terror. Imagine the poor guy on the ground, sitting there at a red light, as a flaming five car pile-up is hurdling down towards him from the sky. If you're not scared yet, try to imagine what they're going to charge you in insurance premiums as a result.