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He said Tesla used rare-earth magnets sourced from China for the actuators in the robot's arms. The issue is that China recently started to require an export license for some rare-earth elements.

China restricts rare earth magnets export to India (File image) In what could be a major setback for Indian EV and component manufacturers, China has restricted the export of rare earth magnets to ...

JL Mag’s rare earth magnets used in hybrid vehicles. The Chinese government earlier this month announced that it had halted exports of a number of critical rare earth minerals, as well as ...

China’s halt this month on exports of magnets containing heavy rare earth metals has affected Tesla’s plans to manufacture Optimus robots. By Keith Bradsher Reporting from Shanghai Elon Musk ...

The Chinese government earlier this month announced that it had halted exports of a number of critical rare earth minerals, as well as magnets, as its trade war with the US continued to escalate.

Elon Musk said that "China wants some assurances" that rare-earth magnets supplied to Tesla for its Optimus humanoid robot wouldn't be used for "military purposes."CFOTO/Future Publishing via ...

Altermagnets, a newly discovered form of magnetism, offer potential for efficient magnetic switches in devices, overcoming the limitations of traditional ferromagnetism and antiferromagnetism.