I just found this video on Engadget. If you are upset with your technology, this might help: watch technology learning to fly.
Actually, these look like some pretty amazing machines to be attempting some of these stunts.
Engadget: Quadrocopters: blooper reel edition
http://www.viddler.com/explore/engadget/videos/2942/
If you haven’t gotten your fill of watching these machines, check out this YouTube Channel:
YouTube: TheDmel’s Channel
Also, check out the project website:
UPenn: Daniel Mellinger