It sounds like science fiction, and it looks like something straight out of Star Wars, but a California-based company called Aerofex has produced an honest-to-goodness hover bike that can be flown without any training—and it's based on a 1960s design. Back then the vehicle, which is powered by two giant fans, was deemed too unstable and prone to rolling over, Innovation Daily News explains. Aerofex's novel solution: Add knee control bars, so the craft would respond to the pilot's instinctive balancing movements. Read more from Newser HERE