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Core Memory Podcast1h 22m

Why America Is Losing The Robot War To China

TL;DR

  • Actuators are the bottleneck nobody talks about: Kylie Robinson explains that actuators turn energy into motion, sit in every robot joint, and account for roughly 60% of a humanoid robot's cost, yet China overwhelmingly dominates their production.

  • America's robotics problem is really a supply chain problem: Ashley Vance argues the issue is not that the US lacks talent, but that China already makes the cheapest motors and actuators at scale, leaving drones, EVs, humanoids, and military systems exposed if relations worsen.

  • Westmag and Atlas represent two different bets on rebuilding manufacturing: Westmag is making motors and actuators in South San Francisco, while Atlas Motion Systems designs in Long Beach but manufactures in the Philippines, betting a treaty ally can get to scale faster than the US.

  • Volume matters more than clever one-off designs: The hosts say the US does not just need better prototype actuators for Tesla or Figure, it needs general-purpose suppliers that can sell huge quantities across the market the way Chinese firms like Unitree do.

  • Congress is already talking about banning Chinese robots before the US has replacements: A new bill targeting Unitree mirrors past action on Huawei and DJI, but the hosts note America still lacks enough domestic or allied alternatives to fill the gap.

  • The same pattern shows up in space: After Blue Origin's New Glenn pad explosion, the conversation broadens into how SpaceX now flies at a scale no one else can match, giving it extraordinary power over everything from satellite launches to future manufacturing in orbit.

The Breakdown

Actuators make up about 60% of a humanoid robot's cost, and the hosts argue America's failure to build them at scale is a quiet but dangerous dependency on China that stretches from robots to drones to weapons. They also unpack two startups trying to fix it, why a new anti-Chinese robot bill may be ahead of domestic supply, and how the same industrial stakes show up in rockets and SpaceX's growing grip on space.

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