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."
...though his invention worked superbly -- his theory was a crock of sewage from
beginning to end. -- Vernor Vinge, "The Peace War"