Hasta La Gadget!

Biomimicry is almost a byword of the Defense
Advanced Research Projects Agency (DARPA). Indeed, if any group has
discovered that ‘nature does it better,’ it’s DARPA, and you have to
admit the Agency is pretty adept at imitating it.  Here, are two of
DARPA’s latest robotic tributes to nature’s designs: the Cheetah Bot and
the Pack Mule Bot.