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‘Digital twins’ rescued NASA robots lost in space, here’s how

When NASA’s free-flying helpers on the International Space Station drifted into trouble, the solution did not come from a new thruster or a last-minute software patch. It came from a virtual copy of ...

Lost in space: How ’digital twins’ saved NASA’s robots

Autonomous free-flying robots aboard the International Space Station (ISS) frequently lose their bearings. Without gravity to distinguish up from down, even precision sensors suffer from accumulating ...