Here's how Nobuhiro Takahashi and the University of Electro-Communications describe this project: "'SHIRI' is a buttocks humanoid robot that expresses various emotions with organic movement of the artificial muscles." It's designed to respond to slaps, caresses, and finger-pokes. It is super weird.
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.