Walking is Good for the Brain

Have you ever wondered why one of the most difficult things to teach a robot to do is to walk on two legs? It turns out there's a reason. Apparently, the simple act of walking turns out not to be so simple after all. Professor Florentin Worgotter of the University of Gottingen in Germany explains why teaching a robot to walk on bumpy terrains like cobblestones is so challenging: "Releasing the spring-like movement at the right moment in time—calculated in milliseconds—and to get the d...