The first ever full-length robot marathon is being run right now in Japan. And one of the bots is live-streaming its point-of-view video so we humans can see what it's like to run around and around for 26 miles, without leaving our comfortable chairs.
Tune in now and see history being made, accompanied by the incessant clumping sound of tiny robot feet.
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.