Yeah, I can sure use one of these to glide around town.
Here's another video using a method called "quantum trapping" by which a magnetic field is trapped in place on a superconductor.
There is hope that they can try to make this work in a larger scale - much larger, like for trains. As you can see, they've got quite a bit of work to do. Lots of research into the quantum dynamics of scaling this and engineering it so that it'll work more economically.
But I'm pretty confident that it can be done. You never want to say something is impossible especially in life, specifically in science. So, don't be surprised if someone in a lab somewhere will figure this out and maybe go a step further and find a way to defy gravity in a scale that really lets us skateboard around without the wheels someday.
Source: Popular Science.