World models
# AI Still Struggles With the Real World AI can already write novels and code apps, but it's surprisingly worse at physical tasks like folding laundry or crossing a street safely. The challenge is that AI systems need what researchers call "world models"—essentially, a deep understanding of how the physical world actually works. Teaching machines to handle real-world tasks is turning out to be much harder than teaching them to handle digital ones.
AI systems have already gained impressive mastery over the digital world, but the physical world is still humanity’s domain. As it turns out, building an AI system that can compose a novel or code an app is far easier than developing one that can fold laundry or navigate a city street. To get there,
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