{"type": "article", "title": "Nvidia Puts a 4B World Model on the Robot [Weekly Physical AI Roundup]", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/nvidia-puts-a-4b-world-model-on-the-robot-weekly-physical-ai-roundup", "original_source": "https://topicqueue.substack.com/p/nvidia-puts-a-4b-world-model-on-the", "published": "2026-07-23T22:58:24+00:00", "accessed": "2026-07-24", "id": "nvidia-puts-a-4b-world-model-on-the-robot-weekly-physical-ai-roundup"}