AI Summary

Last year, China began requiring export licenses for rare earth magnets. Within weeks, Elon Musk told investors that Tesla’s Optimus robot production had been affected. The impact stems from the fact that each humanoid robot needs up to 4.5 kilos of rare earth magnets to move. China supplies more than 90 % of the world’s rare earth magnet supply. The licensing change has therefore disrupted Tesla’s supply chain for the Optimus robot.

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