Move over cars, the Swegway is here. Or it would be if it wasn't illegal

It’s not quite a hoverboard, but it’s close enough. If only the pesky police hadn’t banned it, we could all be living happily in the futureIt was 21 October 2015, in Back to the Future II, that Marty arrived in the future, dressed in smart grey booties and using a hoverboard. “Roads,” said Doc, “where we’re going, we don’t need roads.” This is technically true of the real hoverboard, in the real 2015, but we do – if we’re going to