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lpapeztoday at 11:07 AM1 replyview on HN

It is a comment on the absurdity of orbital data centers. Mountaintop data centers sound absurd, but are more feasible and efficient than orbital ones in nearly every aspect.


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jvanderbottoday at 11:47 AM

That's fine, if the argument for DC in space is just "Let's put them in the hardest place possible". Then less hard -> absurd, implies more harder -> more absurder.

But space based dc accomplish something that mountaintop dc do not. The different list of benefits/tradeoffs are why space DC are proposed and mountaintop ones are not. It's a difference of kind, not degree. It's not a meaningful experiment to just try to build DC in hard places and then we can finally validate space.

Stated benefits in particular:

- Power available 24/7 for "free"

- coms w/o interruption using existing infra

- Rideshare (SPX can build out capacity while other lifts pay some of the bill for lift)

- Nonregulation

- Very low latency to "places of interest far from USA mountains"

And no, I do not believe that mountaintop automatically satisfies these benefits in a smooth way such that mountaintop is a meaningful stepping stone towards space.

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