A while ago, techi.com brought you a list of Back to the Future innovations we’re still waiting for. My personal favorite? The hoverboard. That’s why I couldn’t resist covering this story. French artist Nils Gaudagnin, clearly a fellow BTTF fan has created a real life replica of the hoverboard, from it’s gaudy pink design to the fact that it actual hovers. Wait, what?! That’s right, it actually hovers! Through some complicated and unexplained setup involved electromagnets, lasers and various other scientific doohickeys, Nils’ exhibit actually floats suspended in mid air, a feat sure to keep…