Spherical Micro-Robots Could Explore Mars

by Kelly Young NewScientist.com, 25 Jul 2006 Hundreds of robotic spheres that could one day explore planets like Mars are to be tested out by scientists back on Earth. The micro-robots could land on the surface of another planet arranged in a capsule like eggs in a carton. Or they could be dropped onto the planet by a balloon floating above the surface. They would move by rolling and bouncing, powered by artificial muscles that alter their overall shape. Read more