derGoldstein writes: "We've seen some very impressive aerobatics performed by quadrocopters before, but this is getting ridiculous. Robohub points to the latest advancement from the Flying Machine Arena, which developed algorithms that allow quadrocopters to juggle an inverted pendulum."
The F-15 Eagle:
If it's up, we'll shoot it down. If it's down, we'll blow it up.
-- A McDonnel-Douglas ad from a few years ago