Kawasaki’s decision to commercialize its four-legged robot horse marks a rare moment when a far-off concept vaults almost directly into the real world. What began as a futuristic hydrogen-powered ...

This weird robot has no face. In fact, there’s no obvious front or back. It does not trot like a dog (technically, 4-legged robots like those from Boston Dynamics or Unitree are called quadrupedal ...