This foldable drone origamis itself and dissolves when done
 

MIT recently unveiled -- or rather, unfurled -- an unusual drone specimen. The tiny robot weighs a third of a gram and is just 1.7 cm long. It starts its existence as a flat, paper or polystyrene wafer. When activated with a small heat source, the dr...

http://www.engadget.com/2015/05/28/t...=rss_truncated