Yizhuang, Beijing, China on February 21, 2026. A humanoid robot was filmed jogging down a city street at night, startling onlookers with a scene that looked straight out of science fiction.

The new clip imagines a world in which almost no one works, so Silicon Valley moguls turn exercise into electricity ...

CONSIDER the human machine in middle age: atrociously maintained, rusty from disuse. None of its parts—the bellows, the tubes, the pump—function as efficiently as they once did.