http://www.flightglobal.com/articles/2007/09/06/216590/picture-harvard-universitys-insect-scale-robot-fly-flies.html
A tiny mechanical entomopter using insect-like wing dynamics has achieved
tethered flight following US Defense Advanced Research Projects Agency
funding of a "robotic fly" project at Harvard University's School of
Engineering and Applied Sciences.
The entomopter has a 30mm (1.18in) wingspan and weighs just 60mg (0.002oz).
With the concept of stealth surveillance robots in mind, re