Simulation first

IoT & Robotics: AI in the Physical World — lesson 16 of 20 (PLAYBOOK)

NVIDIA Isaac Sim and open-source Gazebo let you build and train robots in physics-accurate virtual worlds — free — before buying hardware. Imitation learning (learning from human demonstrations) overtook reinforcement learning as the main training method in 2026.

Source: NVIDIA Isaac Sim; State of Robotics 2026

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