Sci-fi dreams do come true: Floating shopping carts are here

From Back to the Future hoverboards to Star Wars floating speed bikes, floating vehicles have captured the dreams of nerds for decades. And while anti-gravity remains in the realm of fiction, we’re now getting closer to it being a reality. Palletrone, a flying cart developed by researchers at SeoulTech university is not quite the floating platforms seen in sci-fi movies, ferrying boxes of stuff from some storage room to the Millennium Falcon. But it does offer a glimpse into the wild future...