Unitree Robotics

The latest robot dog is smarter — and less expensive — than ever. Unitree Robotics of Hangzhou, China, unleashed Go2, a quadruped robot that trots alongside its owner, stands on two legs, jumps, talks, takes photos, and retails for less than a high-end MacBook.

A reinforcement learning system enabled a four-legged robot to amble over unfamiliar, rapidly changing terrain.