Some of you may remember the animated TV show The Jetsons about a family that lived in the future that had all manner of anticipated technological advances. One of them was the flying personal car and that particular item has become a punch line whenever people want to express disappointment that we do not have many of the amazing things that we thought had been promised to us in the dreams of science fiction writers.
No longer. It turns out that a company in China called Ehang is testing a large drone that can carry a single passenger. They are not the only company to be developing such things but seem to be the leader.
Here is a video they have released of a test flight.
What worries me are the exposed rotors that look like they could easily slice through any living thing. I don’t know why the rotors are not surrounded by coaxial cylindrical casings that would still be able to provide thrust along the axis directions. There may be technical reasons that I am not aware of.