Back in the 70's the CIA commissioned a watchmaker to build a hummingbird or dragonfly (forget which) that ran on a tiny two-piston combustion engine. [edit] S

Back in the 70's the CIA commissioned a watchmaker to build a hummingbird or dragonfly (forget which) that ran on a tiny two-piston combustion engine. [edit] Source: http://hackaday.com/2011/02/10/the-cias-amazing-bots/ http://hackaday.com/2011/02/10/the-cias-amazing-bots/