You’ve probably seen the video of the flying Tesla Roadster by now. If a company wants to keep the shareholders happy, making a car do flips isn’t a bad trick, but the thruster car is older than sliced bread. No, really, pre-sliced bread first hit the market in July 1928, while the Opel RAK achieved a top speed of 47 miles per hour via a rocket propulsion system in March 1928.
Â
