Robots that float, watch, and help keep a spaceship running are no longer science fiction. NASA’s Astrobee robots glide through the International Space Station using quiet fan thrusters, cameras, and smart software to handle chores that do not…

Robots that float, watch, and help keep a spaceship running are no longer science fiction. NASA’s Astrobee robots glide through the International Space Station using quiet fan thrusters, cameras, and smart software to handle chores that do not…