So There's A Working Hoverboard

Sort of but not really:

Lexus’s hoverboard uses magnetic levitation, or maglev, to achieve frictionless movement. Liquid nitrogen-cooled superconductors are combined with a magnetic surface to essentially repel gravity. Even though Lexus and Evico were able to pull off the project, don't expect to see a hoverboard fly past while you're walking down the street next year. To use maglev technology that would make this sort of hoverboard work, you need a magnetic metal track. Normal concrete pavements won’t do. Lexus solved this issue by converting a skate park in Barcelona into a temporary hoverboard skate park. On an existing track composed of cement and wood, the Lexus and Evico teams swooped in to lay down hundreds of small magnets.

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