this post was submitted on 25 Sep 2025
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101
Helium-3 mining on Moon: A new frontier for science and geopolitics (interestingengineering.com)
submitted 3 days ago by kalkulat@lemmy.world to c/technology@lemmy.world
33 comments fedilink hide all child comments
 

Going to be some very expensive gas.

"Apollo samples typically showed helium-3 concentrations measured in parts per billion. That means enormous volumes of regolith must be processed to extract useful gas. The basic industrial recipe is straightforward on paper. "

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[–] frezik@lemmy.blahaj.zone 4 points 3 days ago

Yeah, that's the thing. He-3 is a second generation fusion technology. We don't even have net power positive first generation fusion.

Great when we get there, but there are steps we need first.