Found these while researching sources of papers. They are very cool. These are out of the GRASP lab at UPenn:
http://www.youtube.com/watch?v=MvRTALJp8DM
http://www.youtube.com/watch?v=_sUeGC-8dyk
http://www.youtube.com/watch?v=YQIMGV5vtd4
http://www.youtube.com/watch?v=cseTX_rW3uM
This one was on BBC:
http://www.bbc.co.uk/news/world-us-canada-19169023