Vivian Midha Shen(@vivianmshen):Magnets are defining the future of defense and critical industries in the US. @metalscontent and the team of ex-MIT / NASA metallurgists at @MassMagnetics are leading the way in making American magnets at scale.

Vivian Midha Shen

@vivianmshen

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Vivian Midha Shen@vivianmshen

2026.09.11 19:04

Magnets are defining the future of defense and critical industries in the US. @metalscontent and the team of ex-MIT / NASA metallurgists at @MassMagnetics are leading the way in making American magnets at scale.

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.