Picture a robot; make it smaller; make it smaller still. What do you end up with? If your answer is something that looks a bit like an insect, you’re pretty close. Picotaur, a new robot from the labs of Sarah Bergbreiter and Aaron Johnson at Carnegie Mellon University measures less than 1 centimeter, but it can run, turn, push loads and climb miniature stairs. This tiny machine could transform how we approach search and rescue, inspection, and exploration in areas too small for larger robots to access. Tiny robot legsCreating legged robots capable of navigating rough terrains and overcoming ob…