When Lexus first announced its hoverboard, resembling something out of the film 'Back to the Future', there was much speculation over whether or not the futuristic mechanism was actually real. But now we know that it is and it works, too. The only let-down is that you can't have one.
Built in conjunction with a team of German scientists from IFW Dresden and specialists in magnetic levitation technology evico GmbH, Lexus launched the hoverboard at a specially constructed "hoverpark" near Barcelona, Spain. But there's more to this funky piece of tech than meets the eye, which is why you wouldn't actually want to own one.
The problem is the hoverboard constantly requires maglev (magnetic levitation) in order to hover a few inches above the ground without friction. That will only work if the surface below is lined with magnets, meaning the board is not (only) unfeasible; it's also pretty impractical.
Nevertheless, the board is still an impressive piece of kit. It can carry up to 200kg of weight and, when the superconductors fitted to the hoverboard cool to -197 degree Celsius, the liquid nitrogen is released through immersion, which creates the vapour trail you'll see coming from the board.