Do you still know the movie "Back to the Future II" from 1989, in which Michael J. Fox played the main character Marty McFly and with Dr. Brown traveled back in time to 2015? There the term hoover boards was mentioned for the first time, but there it was a self-floating skateboard, which is also the translation of the term hoverboard.The future that was shown back then is now our past and there are still no flying boards to this day. But: a…See More