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Krix AI lab | AI Updates | Fact check news on Instagram: "NVIDIA Director of AI Jim Fan says the company trained humanoid robots to walk and move like humans using simulation, with zero-shot transfer to the real world. Published in September 2025, the VIRAL (Visual sim-to-real at Scale) framework trains policies entirely in simulation that deploy directly to hardware without any real-world fine-tuning. Here's how it works: NVIDIA first trains a "teacher" policy in simulation with access to all p