The Clever Vine-Like Robot That Grows and Steers With Air

In a hallway of an engineering building at Stanford University, some devilish researchers have built a sprawling obstacle course. To make it through, competitors have to wind over sand, through a door, up some steps, and finally, through a forest of small pillars. Sounds like the Rube Goldbergian machinations of an grad student with too much time and Red Bull on their hands, but no: This is a robot training ground.