PhysDBPhysical AI Map

Simulation

Digital twins

Structured digital replicas of robots, spaces, assets, or processes used for simulation and operational reasoning.

environmentreplica

What it is

Digital twins connect models to specific real objects or environments.

Why it matters

They help localize physical assumptions instead of treating the world as generic.

How not to overread it

A stale twin can be more misleading than no twin.

Related edges

uses

Simulation

Environment modeling

A stale twin misleads.