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A City on Mars: Reality kills space settlement dreams (arstechnica.com)

submitted 11 months ago by meyotch@slrpnk.net to c/technology@lemmy.world

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A book review on the latest Weinersmith creation. It’s true, there is so much we don’t know.

Just throwing this out there on this forum because missing technology is the problem that kills the dream of Mars, according to the authors.

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[-] PersnickityPenguin@lemm.ee 2 points 11 months ago* (last edited 11 months ago)

That's not why it failed:

"The vast majority of Biosphere II was built out of concrete, which contains calcium hydroxide. Instead of being consumed by the plants to produce more oxygen, the excess carbon dioxide was reacting with calcium hydroxide in the concrete walls to form calcium carbonate and water."

In any case, it is still in operation.

this post was submitted on 21 Nov 2023

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