Y Combinator(@ycombinator):Rare earth magnets sit inside nearly every electric motor, but 90% of the material is conventionally thrown away. Mass Magnetics (S26) is recycling magnets from EV motors into new ones for robotics and defense, avoiding much of the capital-intensive refining required by mining.

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参加 February 2010

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Y Combinator@ycombinator

2026.09.11 18:58

Rare earth magnets sit inside nearly every electric motor, but 90% of the material is conventionally thrown away. Mass Magnetics (S26) is recycling magnets from EV motors into new ones for robotics and defense, avoiding much of the capital-intensive refining required by mining.