A flying saucer might sound like something out of a sci-fi movie, but for decades humans have tried to build them. The technology that allows for flying saucer-shaped aircraft to work effectively has been a challenge for scientists and engineers. Still, there have been a few occasions where such aircraft were (vaguely) successful. One attempt in particular, which took place in 2019, might just be a game changer.
In this gallery, we look back at the times when humans tried to build flying saucers. Click on.