TED2012: Full Spectrum. February 27 – March 2, 2012. Long Beach, CA. Photo: James Duncan Davidson

TED presents Vijay Kumar talking about the potential of robotic quadrotors. In his lab at Penn, Vijay Kumar and his team build flying quadrotors, small, agile robots that swarm, sense each other, and form ad hoc teams — for construction, surveying disasters and far more.