Simulation
Isaac Sim
Isaac Sim is NVIDIA's robotics simulator built on the Omniverse platform, combining PhysX physics, RTX ray-traced rendering, and the USD scene description format. It supports ROS integration, digital-twin construction, and synthetic data generation through its Replicator toolkit, and serves as the foundation for Isaac Lab's robot learning workflows.
Why it matters for physical AI
Photorealistic rendering plus accurate physics narrows both the visual and dynamics sim-to-real gaps, while synthetic data generation supplies the labeled diversity real-world collection cannot economically match.
Related terms
Build physical AI
Put these concepts to work on real hardware
Axol is a dual-arm robot built for physical AI — teleoperate it, collect demonstrations, and deploy learned policies out of the box.