Vijay Kumar demonstrated fleets of flying machines that could revolutionize industries . Kumar spoke at the TED2012 conference , ` ` Full Circle , '' in India . He highlighted the link between technological progress and social issues . Technology has improved health , lifespan , productivity , yet it poses challenges , speakers said .
Vijay Kumar demonstrated fleets of flying robots that could revolutionize industries . Kumar spoke at the TED2012 conference , `` Full Spectrum , '' in California . Talks highlighted the contrast between technological progress and social issues . Technology has improved health , lifespan , productivity , yet it poses challenges , speakers said .