The evolution of the robotic arm, a product invented in the US that came to define modern factories around the world. It wasn't an easy sell in America.
Hitachi unveils a new two-armed robot for fetching stock.
Lighter rockets will mean humans can pack more into their spacecrafts when they travel to Mars.
Archaeologists need robots for two main purposes: to explore where it's too dangerous for humans, and then figure out what they've found.