The world's first flying car, the Seraph (made by Vertical Aerospace in Bristol, England), might be on the market sooner than we think. As a new, cutting-edge invention goes through a series of grueling tests, behind-the-scenes access reveals the secrets of this sci-fi innovation. 

The KMAX 1200 is a world-class helicopter that can lift cargo heavier than its own body weight, and special behind-the-scenes access reveals how its bizarre design helps this engineering marvel carry record-breaking loads in extreme environments.