I spent a day at a robot “carnival” in Shanghai. Here’s what I saw.

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THE PLACE
Shanghai, ChinaHumanoid robots are having a moment in China. The popular machines are part of the country’s strategy to bring artificial intelligence into daily life. Embedding the technology into physical systems—an idea called embodied AI—was a key facet of China’s latest five-year plan, and companies here are already world leaders in humanoids. Nearly 90% of the more than 13,000 two-armed, two-legged robots delivered globally last