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What does physical AI actually mean, and why does it matter?

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Drawn from Lutz Finger's Forbes column, LinkedIn writing, and Cornell teaching. Sources are cited inline so you can read the originals.

AI is only powerful when trained on real-world physical data

Physical AI is the idea that models will finally step out of the chatbot and into the real world of robots, factories, and labs. Cyriac Roeding said physical AI is only interesting when you train it on physical-world data. A world model is only as good as the physical reality it learns from. In biology, that reality is generated by pipettes and a vivarium full of mice, not scraped from the internet. The loop fed by real-world data nobody else has is owned.

— DNA Is Becoming Programmable. Curing Cancer With AI. · Forbes


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