According to "Back to the Future Part II", we're supposed to have hoverboards by 2015. We might be a lot closer thanks to scientists at Tel-Aviv University in Israel.

There's a new video on YouTube where they show off something called "quantum levitation." Basically, they figured out how to use super-magnets to make a frozen disc of special material FLOAT in mid air.

But it doesn't just float there. They can tilt it, and it stays locked in that position. They can even put it on a circular track, and it make it float around.

Here's that classic scene from 'Back to the Future Part II' featuring the Hover Board: