What's interesting to me is that the robot has a little pan wobble at the end of the flip. I wonder if that has some sort of advantageous effect on the outcome of a flip? Or maybe the robot is just 'superstitious' because it had a more successful run once when it added the wobble.
> "After 50 trials, the robot learns that the first part of the task requires a stiff behavior to throw the pancake in the air, while the second part requires the hand to be compliant in order to catch the pancake without having it bounced off the pan."