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Thematic Article Navigation for Deep Supply Chain Intelligence for Humanoid Robotics.

This site maps the supply chain that makes humanoid robots possible. Not the software, not the demos, not the pitch decks. The physical stack: the motors, the batteries, the magnets, the sensors, the materials. The parts that actually constrain when these machines walk into factories, warehouses, and homes. Every article follows a specific chokepoint, traces who controls it, and works out what it means for the companies trying to build at scale.

Each series below maps a different layer of the humanoid robot supply chain. They are designed to stand alone but connect into a single picture. Start with whatever layer interests you. The actuation series covers the motors and gearboxes that move robots. The power series covers the batteries and thermal constraints that keep them running. The materials series covers the rare earths and specialty alloys underneath everything. New series on perception, compute, structure, and end effectors are in progress.

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ACTUATION

• Part 1: The Actuator Cartel: Who Controls the Robot Muscle Supply Chain

• Part 2: From Harmonic Drives to Torque Motors

• Part 3: The Chinese Are Coming

• Part 4: Tesla, Figure, and Unitree’s Supplier Wars

• Part 5: The Actuator Oligopoly’s Endgame

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POWER

• Part 1: The 4-Hour Robot

• Part 2: The Leg Battery Problem

• Part 3: The Watt Tax

• Part 4: The Compute Mortgage

• Part 5: The $3 Worker

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MATERIALS

• Part 1: The Magnet Nobody Talks About

• Part 2: Motors, One Chokepoint

• Part 3: The China Chokepoint

• Part 4: Investment Thesis (coming soon)

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PERCEPTION

Part 1: The $168M Opportunity (coming soon)

Part 2: The China Chokepoint (coming soon)

Part 3: The Skin Problem (coming soon)

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COMPUTE

Coming soon

STRUCTURE

Coming soon

END EFFECTORS

Coming soon

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STANDALONE ANALYSIS

• SemiAnalysis Got Unitree’s Cost Advantage Right

• The Agility IPO: $2.5 Billion for 100 Robots

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Machine Narratives is supply chain research for the humanoid robotics buildout. We trace the physical stack: actuators, power systems, materials, sensors, compute, and structure. We follow the chokepoints, map who controls them, and work out what it means for the companies trying to build at scale. No hype. No pitch decks. Just the supply chain that decides whether these machines actually make it to production.

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