A partially assembled Joey Chaos is one of roboticist David Hanson’s “talking heads”—head-and-shoulders robots designed to push the boundaries of realism with both their physical traits and cognitive abilities. Hanson developed a biologically inspired skin material, “frubber,” that makes his robot heads appear uncannily lifelike. Cutting-edge speech programs give his creations the ability to converse.

Robots – Photo Gallery – Pictures, More From National Geographic Magazine