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10 Future Inventions Everyone's Been Waiting For

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We get it. You feel like all the science fiction of yesteryear promised you a future of flying cars and hoverboards, and none of it has come to pass. Sure, we have Segways and iPads, but it's small consolation when you wake up every day to a world without "Blade Runner" skylines. But these are only 1980s visions of the future. Back in the '50s and '60s, our expectations for the 21st century were even loftier. With science by our side, nothing seemed out of the question.

Just consider "Magic Highway USA." With an hour's worth of stunning animation, this May 1958 episode of "Walt Disney's Wonderful World of Color" awed television audiences with depictions of automated global highways, underwater road systems and antigravity cars [source: Sterling].

A year earlier, Disney's "Mars and Beyond" showed viewers what humanity's future on Mars might entail and even featured segments with famed German-American rocket scientist Dr. Wernher von Braun. It all seemed possible -- and much of it still is.

In this article we'll look at 10 future inventions we've been waiting for all our lives. Which ones are just around the corner, and which ones are mere relics of our post-World War II dreams?